Unit 4 Information Technology信息技术（单元阅读精练）英语北师大版必修第二册
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Unit 4 Information Technology信息科技
单元阅读精练
The Doubleedged Power of Digital Technology for Teenagers
Nowadays, teenagers dwell in a digital era flooded with an array of online resources, diverse social platforms and handy intelligent devices. Digital tools grant adolescents easy access to massive information, enable instant remote communication, and facilitate online collaborative learning across geographical boundaries. Nevertheless, numerous youngsters fall victim to unregulated digital engagement. Some get immersed in algorithmdriven shortvideo feeds and squander substantial chunks of precious leisure time on meaningless online browsing; others harbour the illusion that abundant online materials can substitute for indepth independent thinking and manual knowledge exploration.
Still, digital technology serves as an illuminating catalyst for youth selfimprovement when handled prudently. Students are capable of downloading valuable learning archives, storing classified data in cloud databases and participating in virtual study communities to exchange viewpoints. Virtual courses tear down geographical barriers and furnish multifarious learning alternatives for teenagers residing in remote areas. However, reckless overreliance on digital platforms will yield adverse consequences. Excessive screen exposure will erode sleep quality and physical wellbeing. Worse still, misleading fragmented online information may misguide youngsters who lack sufficient critical judgement and media literacy.
Experts advocate establishing sensible digital routines for adolescents. Rather than rejecting modern digital tools entirely, teenagers ought to allocate their screen hours rationally. They are supposed to distinguish authentic facts from deceptive rumours and cultivate competent digital literacy. Only by striking a sensible equilibrium between virtual cyberspace and tangible realworld existence can teenagers leverage information technology to fuel their personal growth, instead of permitting it to evolve into an obstructive barrier on their developmental trajectory.
【译文欣赏】
数字技术对于青少年的双重力量
如今，青少年生活在一个充斥海量网络资源、多元社交平台以及便捷智能设备的数字时代。数字工具让青少年能够轻松获取海量信息，实现即时远程沟通，并助力跨越地域界限的线上协作学习。然而，大量青少年深受无节制数字活动的困扰。一部分人沉溺算法推送的短视频信息流，把大量宝贵的闲暇时光挥霍在毫无意义的网络浏览上；还有一部分人心怀一种错觉：网上海量资料能够取代深度独立思考与亲身的知识探究。
尽管如此，如果审慎使用，数字技术是青少年自我提升极具启发性的助推器。学生可以下载珍贵学习档案，将分类数据储存在云端数据库，并加入虚拟学习社群交换观点。网课打破地域壁垒，为居住在偏远地区的青少年提供多种多样的学习选择。但鲁莽地过度依赖数字平台会带来不良后果。过长的屏幕使用会损害睡眠质量与身体健康。更糟糕的是，碎片化的误导网络信息，可能误导那些缺乏足够批判判断力与媒介素养的青少年。
专家倡导青少年建立理性的数字使用习惯。青少年不应当全盘拒绝现代数字工具，而是要合理分配屏幕时间。他们应当分辨真实事实与虚假谣言，培养过硬的数字素养。只有在虚拟网络空间与实实在在的现实生活之间把握理性平衡，青少年才可以利用信息技术助力个人成长，而不是任由它演变成人生发展道路上的阻碍。
【词汇积累】课标内
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digital adj. 数字的
access n.&v. 使用权；获取
enable vt. 使能够
instant adj. 立即的；即时的
collaborate v. 合作
resource n. 资源
substitute v.&n. 代替；替代品
independent adj. 独立的
facilitate vt. 促进，使便利
barrier n. 障碍
allocate v. 分配
distinguish v. 辨别；区分
cultivate v. 培养
balance n.&v. 平衡
【词汇积累】超纲词汇
doubleedged adj. 双刃剑的，利弊并存的
dwell v. 居住，处于（某种环境）
flood v. 大量充斥
adolescent /ˌædəˈlesnt/n. 青少年
unregulated adj. 不受管控的
immerse v. 使沉浸于
algorithm n. 算法
squander v. 挥霍，浪费（时间）
substantial adj. 大量的
harbour v. 心怀（幻想、想法）
illusion n. 错觉，幻想
catalyst n. 催化剂，助推因素
prudent adj. 审慎的，谨慎的
archive n. 档案，资料
multifarious adj. 各式各样的
reckless adj. 鲁莽的，不加约束的
adverse adj. 负面的，不利的
erode v. 逐步损害，侵蚀
fragmented adj. 碎片化的
deceptive adj. 欺骗性的
tangible adj. 实实在在的，有形的
leverage v. 充分利用
obstructive adj. 起阻碍作用的
trajectory n. 发展轨迹
长难句精讲
句 1
Nowadays, teenagers dwell in a digital era flooded with an array of online resources, diverse social platforms and handy intelligent devices. Digital tools grant adolescents easy access to massive information, enable instant remote communication, and facilitate online collaborative learning across geographical boundaries.
1. 抓标志：过去分词flooded with作后置定语；三个并列谓语动词 grant, enable, facilitate
2. 句子结构：主句 + 过去分词后置定语；并列谓语简单句
3. 翻译：如今，青少年生活在一个充斥海量网络资源、多元社交平台以及便捷智能设备的数字时代。数字工具让青少年能够轻松获取海量信息，实现即时远程沟通，并助力跨越地域界限的线上协作学习。
4. 考点解析：an array of = many；flooded with 过去分词作后置定语修饰 era；并列多个谓语动词。
句 2
Some get immersed in algorithmdriven shortvideo feeds and squander substantial chunks of precious leisure time on meaningless online browsing; others harbour the illusion that abundant online materials can substitute for indepth independent thinking and manual knowledge exploration.
1. 抓标志：分号并列两个分句；that 引导同位语从句，解释 illusion 的具体内容
2. 句子结构：并列分句；同位语从句，that 不作从句成分，解释抽象名词 illusion
3. 翻译：一部分人沉溺算法推送的短视频信息流，把大量宝贵的闲暇时光挥霍在毫无意义的网络浏览上；还有一部分人心怀一种错觉：网上海量资料能够取代深度独立思考与亲身的知识探究。
4. 考点解析：get immersed in 沉溺于；harbour the illusion that 心怀…… 的幻想；that 此处为同位语从句引导词。
句 3
Only by striking a sensible equilibrium between virtual cyberspace and tangible realworld existence can teenagers leverage information technology to fuel their personal growth, instead of permitting it to evolve into an obstructive barrier on their developmental trajectory.
1. 抓标志：Only + 介词短语置于句首，主句部分倒装；instead of 对比结构；不定式作目的状语
2. 句子结构：Only + 方式状语 + 倒装主句 + instead of 对比状语
3. 翻译：只有在虚拟网络空间与实实在在的现实生活之间把握理性平衡，青少年才可以利用信息技术助力个人成长，而不是任由它演变成人生发展道路上的阻碍。
4. 考点解析：Only + 状语放句首，主句主谓要部分倒装；strike an equilibrium 达成平衡；instead of 而不是。
【考题】
1. What false idea do some teenagers hold according to Paragraph 1?
A. Digital devices can hardly offer abundant learning resources.
B. Plenty of online materials can take the place of independent thinking.
C. Shortvideo feeds bring teenagers totally meaningless entertainment.
D. Teenagers should cut off all screen time for study.
2. The word “catalyst” in Paragraph 2 most probably means ______.
A. barrier B. driving force C. warning sign D. hidden risk
3. We can infer from Paragraph 23 that ______.
A. Virtual courses cannot help students in remote areas
B. Overreliance on digital technology may bring physical and mental harms
C. Teenagers must reject all digital tools for their growth
D. Fragmented online information seldom misleads young people
4. What is the main theme of the whole passage?
A. Digital technology has both advantages and drawbacks and teenagers should use it rationally.
B. Teenagers ought to stay away from all kinds of online information completely.
C. Online information is so misleading that students should avoid digital devices.
D. Digital technology does far more harm than good for adolescent students.
【解题技巧】
词义猜测题 —— 所需阅读技能拆解（对标阅读题型训练）
一、题型定位
词义猜测是高频阅读题型，考查结合上下文语境推断生词、短语含义，不单纯考词汇背诵。命题位置：长难句、转折 but/however 前后、因果逻辑句。
常见考查对象：陌生名词、动词、形容词、高级短语。
二、学生必须具备的 3 项核心阅读技能
技能 1：识别上下文逻辑线索（词义猜测最重要抓手）
1. 转折逻辑 but /however/yet，前后词义褒贬相反；
2. 因果逻辑 so /therefore/as a consequence，前后语义呼应；
3. 同义解释：that is /in other words / 同位语从句，对生词直接解释；
4. 举例逻辑 for example /such as，例子辅助理解词义。
误区：只凭单词词根词缀猜测，忽略句子语境。
技能 2：识别感情色彩（褒义 / 贬义 / 中性）
1. 先判断这个单词所在句子整体是表扬、批判还是客观陈述；
2. 直接排除感情色彩完全矛盾的选项；
例：文中讲 digital technology 对 selfimprovement 起正向作用，选项 barrier（障碍）负面直接排除。
技能 3：代入验证，放回原文核对
把所选答案替换原文生词，重读整句，保证句子通顺，逻辑连贯。
三、识别 3 类典型干扰选项
1. 字面释义干扰：单词某一个偏僻字面含义，但完全不符合本篇上下文语境。
2. 感情色彩错位：原文褒义，选项给贬义；原文贬义，选项给褒义。
3. 无中生有：选项词义本身正确，但文章上下文没有线索支撑。
四、做题完整思维流程
1. 定位原文，锁定生词所在完整句子；
2. 找本句、前后句的转折、因果、同位语、举例线索；
3. 判断感情色彩，快速排除色彩矛盾选项；
4. 剩余选项代入原句通读验证；
5. 选出逻辑通顺、上下文能够找到线索的答案。
正确答案特征：依靠上下文逻辑推导得出，不是孤立单词释义。
【综合实战演练】
语篇
题型
体裁
词数
内容简介
Passage1
阅读理解
议论文
402
作者陈述人工智能发展的现状以及陈述自己的看法
Passage2
阅读理解
说明文
278
多项实验表明过度依赖AI工具会导致认知能力下降
Passage3
完形填空
说明文
297
介绍了手机的危害，并提出了合理使用手机的建议
Passage4
阅读理解
说明文，
336
介绍斯坦福大学开发的“不确定性感知AI”框架
Passage5
阅读理解
说明文
273
介绍了全球首家实体AI机器人4S店的运营模式、成效及推广前景
Passage1
（20232024 北京顺义区高一下期末）In a recent interview with the CEO of Norges Bank Investment Management, Elon Musk, CEO of Tesla, said artificial intelligence (AI) (人工智能) may become smarter than any human by the end of next year.
It is true that AI achievements over the past 18 months, including video generation tools and chat robots, have made the development of AI faster. The Financial Times reported that Musk actually announced last year that humans would “fully” achieve general artificial intelligence by 2029. Musk has long been supportive of AI development, believing it is so powerful that it can beat the most capable human in any field.
Despite its rapid development, AI needs policy, resources and technological support. Yet its use in many fields now does not have this kind of support. Cooperation (合作) among countries is also needed for AI development, but current international cooperation depends on many national causes, blocking the smooth development of AI. At the same time, AI development is also limited by some cultural causes, such as ChatGPT’s answers being more in line with the Western environment, which means the development of AI with a single national power may increase the imbalance of global AI development. All these call for exact connection between capital and the market, and a full range of international cooperation for AI development.
The fast development of AI in recent years has reduced production costs and improved production efficiency (效率), opening the door to new business forms in various areas. Despite bringing in efficiency, the use of artificial intelligence is also filled with risks. The technology continues to increase the difficulty in dealing with the problems concerning various laws, leading to calls for the sound law system applicable to this new technology.
According to experts, the power used by human brains is much lower than the power lost to artificial intelligence operation, and there is still a gap between the levels of artificial intelligence and human intelligence. However, from a long-term viewpoint, they believe that artificial intelligence, which now has many shortcomings compared with the human brain, may eventually better human intelligence supported by algorithms (算法) and data, depending on how some software develops.
The time of artificial intelligence is a time of risks and opportunities, and the uncertainty brought by this technology to human society may be far greater than the certainty.
35. How does the writer raise the subject of AI?
A. By listing human achievements.
B. By using the words of Elon Musk.
C. By showing video generation tools.
D. By providing specific data in the past.
36. According to the writer, which of the following is the risk of using AI?
A. The loss of cultural traditions.
B. The pollution of the environment.
C. The reduction of production efficiency.
D. The difficulty of dealing with law problems.
37. What does the underlined word “shortcomings” in Paragraph 5 probably mean?
A. Weaknesses. B. Mistakes. C. Benefits. D. Qualities.
38. What is the writer’s attitude towards AI development?
A Surprised. B. Supportive. C. Worried. D. Frightened.
39. What can we learn from this passage?
A. We should call on people to stop using AI.
B. There are many possibilities for the development of AI.
C. The opinion of Elon Musk is the same as most people’s ideas.
D. Many countries have caught the opportunity to buy AI chat robots.
Passage2
（湖北随州市2025-2026学年高一下学期期末英语试题）The rise of AI tools, such as chatbots, is transforming how we learn and work. However, recent academic studies suggest that over-relying on AI might negatively affect our cognitive (认知的) abilities, a concern sometimes referred to as “brain rot.”
Professor Shiri Melumad’s experiment involved 250 people giving advice on a healthy lifestyle. Participants either used traditional Google searches or AI-generated summaries. The AI users produced nonspecific and unhelpful advice, like “eat healthy foods.” In contrast, those using traditional search provided more detailed suggestions, covering various aspects of physical and mental wellness. This indicates that heavy AI dependence can result in less effective outcomes.
Another significant study from MIT looked into AI’s impact on writing and memory. Researchers asked college students to write essays, dividing them into groups: one used ChatGPT, another Google search, and a third relied solely on their own knowledge. Brain activity sensors revealed that ChatGPT users showed the lowest brain activity, as the AI performed much of the cognitive effort.
Notably, just one minute after completing their essays, a striking 83% of ChatGPT users could not recall a single sentence they had written. Google users remembered some parts, while students who used no technology could recall most of their essays almost perfectly. The lead researcher stressed that without remembering what you create, you lose a sense of ownership. These findings suggest that AI tools might block true learning and deep understanding.
32. What did Professor Shiri Melumad’s experiment reveal about AI-generated advice?
A. It was preferred by most participants.
B. It tended to be general and less practical.
C. It covered a wider range of wellness topics.
D. It was more detailed than traditional search results.
33. How did the MIT study measure the cognitive impact of using ChatGPT?
A. By surveying users’ sense of concept.
B. By comparing essay scores among groups.
C. By analyzing the length of essays produced.
D. By recording participants’ recall rates after writing.
34. Why does the author say ChatGPT users lose a sense of ownership when using it to write?
A. The articles are too simple and empty.
B. Their writing skills become much worse.
C. AI takes away people’s communication chances.
D. They write by AI largely and cannot remember the content.
35. What is the author’s attitude towards AI tools?
A. Fully supportive. B. Completely indifferent.
C. Critically concerned. D. Highly enthusiastic.
Passage 3
（山东临沂市蒙阴县中学2025-2026学年第二学期高一下学期期中）Mobile phones are very common in our daily life now. Almost everyone has one mobile phone. They are very useful and make our life more ___21___. We can use them to keep in touch with our family and friends, take photos, listen to music and even do some shopping. But mobile phones also bring some ___22___ to us.
First, using mobile phones too much is bad for our ___23___. If we look at the screen for a long time, our eyes will feel tired and dry. Many students become short-sighted ___24___ they use mobile phones too often at home or at school.
Second, mobile phones may ___25___ our study or work. For example, when we are having a class or a meeting, the ring of a mobile phone may ___26___ others. Third, some people may spend too much time playing mobile phone games and ___27___ little time on their study or work. This will ___28___their grades or work efficiency. What’s worse, there is some ___29___ information on the Internet. If we don’t know how to choose, we may be influenced badly.
___30___, we can’t live without mobile phones now, but we should use them ___31___. We should use them to help us study and work better ___32___ waste too much time on them. Here are some suggestions for you: avoid using mobile phones for a long time; turn off your mobile phone during classes or meetings; and pay more attention to ___33___ things around you instead of checking your mobile phone all the time.
In a word, mobile phones are a double-edged sword (双刃剑). If we use them ___34___, they will help us a lot. If not, they will bring us many problems. So, ___35___ your mobile phone wisely and enjoy your life.
21. A. boring B. convenient C. comfortable D. terrible
22. A. advantages B. suggestions C. problems D. messages
23. A. eyes B. ears C. hands D. feet
24. A. so B. because C. but D. or
25. A. help B. improve C. influence D. develop
26. A. disturb B. attract C. interest D. surprise
27. A. take B. cost C. spend D. pay
28. A. increase B. drop C. raise D. change
29. A. good B. true C. healthy D. bad
30. A. However B. But C. Therefore D. And
31. A. freely B. properly C. easily D. quickly
32. A. rather than B. more than C. as well as D. in order to
33. A. ugly B. meaningful C. useless D. boring
34. A. badly B. carelessly C. correctly D. suddenly
35. A. buy B. choose C. use D. sell
Passage 4
（辽宁大连市2025-2026学年度第二学期期末考试高一英语试题）For decades, artificial intelligence has been designed to be confident. From chess-playing computers to medical diagnosis tools, AI systems are trained to produce a single, definitive answer. But a new wave of research suggests that the most reliable AI may actually be the one that learns to hesitate.
Scientists at Stanford University have developed a framework called “Uncertainty-Aware AI” (UAI), which allows machine learning models to express when they are unsure. Instead of providing a single prediction, UAI outputs a confidence score along with multiple possible explanations. If the confidence falls below a threshold, the system flags the query for human review.
In a recent trial involving radiology (放射学), UAI was tested against conventional AI systems. When analyzing chest X-rays, the conventional AI made a confident but incorrect diagnosis in 11% of ambiguous cases. UAI, by contrast, correctly identified 94% of those ambiguous cases as “uncertain” and passed them to human radiologists, reducing diagnostic errors by nearly 40%.
“The traditional approach treats uncertainty as a weakness,” explains lead researcher Dr. James Chen. “But in high-stakes fields like medicine or autonomous driving, overconfidence can be dangerous. Teaching AI to recognize its limits isn’t just safer — it actually makes the system more trustworthy.”
The implications extend beyond healthcare. In autonomous vehicles, for instance, a UAI system could signal when road conditions are too complex for safe self-driving, forcing a handover to the human driver. In financial trading, it could flag volatile (不稳定的) market conditions that exceed its predictive model.
Despite the promise, challenges remain. UAI requires significantly more computational power and extensive training data to calibrate uncertainty accurately. Moreover, integrating such systems into existing workflows demands new protocols (规程) for when — and how — humans should step in.
Nevertheless, the shift toward “humble AI” marks a philosophical departure from decades of AI development. As Dr. Chen puts it, “The smartest AI isn’t the one that always knows the answer. It’s the one that knows when it doesn’t.”
12. How is UAI different from conventional AI?
A. It is only used in medicine. B. It avoids making predictions.
C. It can express its uncertainty. D. It requires less computing power.
13. What did the radiology trial show about UAI?
A. It outperforms human doctors. B. It reduces errors in uncertain cases.
C. It is too slow for practical use. D. It fails in straightforward cases.
14. Why does the author mention autonomous vehicles?
A. To compare their complexity. B. To show UAI’s wide applications.
C. To argue against using AI there. D. To highlight UAI’s limitations.
15. What is the best title for the text?
A. The Future of Medical AI B. Teaching AI to Express Uncertainty
C. Why Overconfidence Harms AI D. Uncertainty: A New AI Challenge
Passage 5
（辽宁抚顺七校协作体2025-2026学年度下学期期末考试高一英语试题）A robot 4S store in Beijing’s E-Tower is helping connect robotic companies, research institutions, and users while creating fresh real-world testing grounds for physical AI.
Called Robot World, the world’s first 4S store for physical AI robots, covers 4,000 square meters and displays more than 150 products for industrial, medical, and household applications. The four-story facility provides sales, spare parts, services, and surveys, along with tailored development, financing, and renting, according to its operator.
For visitors, the store offers a glance at how robots are moving beyond description and into practical use. “It is the first time that I have actually seen human-like robots and learned about their applications,” said Ananth Krishnan, a reporter with The Hindu who recently visited the site. He said eldercare robots were particularly noteworthy given China’s aging population.
According to Li Tianlei, a representative from Beijing E-Tower Technology Industry Development. Robot World has partnered with more than 70 leading robotics companies and generated over 30 million yuan since opening in August 2025. Li said the store’s showcase flow (演示场景) also helped improve robots that initially required more than three minutes to complete a task and now finished it in less than one minute after repeated operation and data training.
The store also gathers real-world operational data through its partners, creating what Li described as a feedback cycle for product upgrading and renewal. “The industry needs more applications,” Li said. “Robots must be tested and refined in real-world environments to better meet market demand.”
The model is now being expanded to provinces including Jiangsu, Zhejiang, and Fujian, while opportunities abroad are also under consideration.
32. What services can Robot World provide?
A. Only sales and spare parts for industrial robots.
B. Personalized development.
C. Free repairs and long-term training for all users.
D. Producing, financing, and renting for companies only.
33. What does the number “30 million yuan” mainly suggest about Robot World?
A. It has gained great market acceptance. B. It is a highly profitable business.
C. It charges high prices for its robots. D. It receives government financial support.
34. Which has the closest meaning to the underlined word “cycle” in Para. 5?
A. A repeated process of testing and improving products.
B. A business model of selling and renting robots.
C. A tour route inside the robot store.
D. A period of time for robot operation training.
35. What is the author’s attitude towards the future of the 4S store model?
A. Curious. B. Uninterested. C. Critical. D. Positive.
$ Unit 4 Information Technology信息科技
单元阅读精练
The Doubleedged Power of Digital Technology for Teenagers
Nowadays, teenagers dwell in a digital era flooded with an array of online resources, diverse social platforms and handy intelligent devices. Digital tools grant adolescents easy access to massive information, enable instant remote communication, and facilitate online collaborative learning across geographical boundaries. Nevertheless, numerous youngsters fall victim to unregulated digital engagement. Some get immersed in algorithmdriven shortvideo feeds and squander substantial chunks of precious leisure time on meaningless online browsing; others harbour the illusion that abundant online materials can substitute for indepth independent thinking and manual knowledge exploration.
Still, digital technology serves as an illuminating catalyst for youth selfimprovement when handled prudently. Students are capable of downloading valuable learning archives, storing classified data in cloud databases and participating in virtual study communities to exchange viewpoints. Virtual courses tear down geographical barriers and furnish multifarious learning alternatives for teenagers residing in remote areas. However, reckless overreliance on digital platforms will yield adverse consequences. Excessive screen exposure will erode sleep quality and physical wellbeing. Worse still, misleading fragmented online information may misguide youngsters who lack sufficient critical judgement and media literacy.
Experts advocate establishing sensible digital routines for adolescents. Rather than rejecting modern digital tools entirely, teenagers ought to allocate their screen hours rationally. They are supposed to distinguish authentic facts from deceptive rumours and cultivate competent digital literacy. Only by striking a sensible equilibrium between virtual cyberspace and tangible realworld existence can teenagers leverage information technology to fuel their personal growth, instead of permitting it to evolve into an obstructive barrier on their developmental trajectory.
【译文欣赏】
数字技术对于青少年的双重力量
如今，青少年生活在一个充斥海量网络资源、多元社交平台以及便捷智能设备的数字时代。数字工具让青少年能够轻松获取海量信息，实现即时远程沟通，并助力跨越地域界限的线上协作学习。然而，大量青少年深受无节制数字活动的困扰。一部分人沉溺算法推送的短视频信息流，把大量宝贵的闲暇时光挥霍在毫无意义的网络浏览上；还有一部分人心怀一种错觉：网上海量资料能够取代深度独立思考与亲身的知识探究。
尽管如此，如果审慎使用，数字技术是青少年自我提升极具启发性的助推器。学生可以下载珍贵学习档案，将分类数据储存在云端数据库，并加入虚拟学习社群交换观点。网课打破地域壁垒，为居住在偏远地区的青少年提供多种多样的学习选择。但鲁莽地过度依赖数字平台会带来不良后果。过长的屏幕使用会损害睡眠质量与身体健康。更糟糕的是，碎片化的误导网络信息，可能误导那些缺乏足够批判判断力与媒介素养的青少年。
专家倡导青少年建立理性的数字使用习惯。青少年不应当全盘拒绝现代数字工具，而是要合理分配屏幕时间。他们应当分辨真实事实与虚假谣言，培养过硬的数字素养。只有在虚拟网络空间与实实在在的现实生活之间把握理性平衡，青少年才可以利用信息技术助力个人成长，而不是任由它演变成人生发展道路上的阻碍。
【词汇积累】课标内
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digital adj. 数字的
access n.&v. 使用权；获取
enable vt. 使能够
instant adj. 立即的；即时的
collaborate v. 合作
resource n. 资源
substitute v.&n. 代替；替代品
independent adj. 独立的
facilitate vt. 促进，使便利
barrier n. 障碍
allocate v. 分配
distinguish v. 辨别；区分
cultivate v. 培养
balance n.&v. 平衡
【词汇积累】超纲词汇
doubleedged adj. 双刃剑的，利弊并存的
dwell v. 居住，处于（某种环境）
flood v. 大量充斥
adolescent /ˌædəˈlesnt/n. 青少年
unregulated adj. 不受管控的
immerse v. 使沉浸于
algorithm n. 算法
squander v. 挥霍，浪费（时间）
substantial adj. 大量的
harbour v. 心怀（幻想、想法）
illusion n. 错觉，幻想
catalyst n. 催化剂，助推因素
prudent adj. 审慎的，谨慎的
archive n. 档案，资料
multifarious adj. 各式各样的
reckless adj. 鲁莽的，不加约束的
adverse adj. 负面的，不利的
erode v. 逐步损害，侵蚀
fragmented adj. 碎片化的
deceptive adj. 欺骗性的
tangible adj. 实实在在的，有形的
leverage v. 充分利用
obstructive adj. 起阻碍作用的
trajectory n. 发展轨迹
长难句精讲
句 1
Nowadays, teenagers dwell in a digital era flooded with an array of online resources, diverse social platforms and handy intelligent devices. Digital tools grant adolescents easy access to massive information, enable instant remote communication, and facilitate online collaborative learning across geographical boundaries.
1. 抓标志：过去分词flooded with作后置定语；三个并列谓语动词 grant, enable, facilitate
2. 句子结构：主句 + 过去分词后置定语；并列谓语简单句
3. 翻译：如今，青少年生活在一个充斥海量网络资源、多元社交平台以及便捷智能设备的数字时代。数字工具让青少年能够轻松获取海量信息，实现即时远程沟通，并助力跨越地域界限的线上协作学习。
4. 考点解析：an array of = many；flooded with 过去分词作后置定语修饰 era；并列多个谓语动词。
句 2
Some get immersed in algorithmdriven shortvideo feeds and squander substantial chunks of precious leisure time on meaningless online browsing; others harbour the illusion that abundant online materials can substitute for indepth independent thinking and manual knowledge exploration.
1. 抓标志：分号并列两个分句；that 引导同位语从句，解释 illusion 的具体内容
2. 句子结构：并列分句；同位语从句，that 不作从句成分，解释抽象名词 illusion
3. 翻译：一部分人沉溺算法推送的短视频信息流，把大量宝贵的闲暇时光挥霍在毫无意义的网络浏览上；还有一部分人心怀一种错觉：网上海量资料能够取代深度独立思考与亲身的知识探究。
4. 考点解析：get immersed in 沉溺于；harbour the illusion that 心怀…… 的幻想；that 此处为同位语从句引导词。
句 3
Only by striking a sensible equilibrium between virtual cyberspace and tangible realworld existence can teenagers leverage information technology to fuel their personal growth, instead of permitting it to evolve into an obstructive barrier on their developmental trajectory.
1. 抓标志：Only + 介词短语置于句首，主句部分倒装；instead of 对比结构；不定式作目的状语
2. 句子结构：Only + 方式状语 + 倒装主句 + instead of 对比状语
3. 翻译：只有在虚拟网络空间与实实在在的现实生活之间把握理性平衡，青少年才可以利用信息技术助力个人成长，而不是任由它演变成人生发展道路上的阻碍。
4. 考点解析：Only + 状语放句首，主句主谓要部分倒装；strike an equilibrium 达成平衡；instead of 而不是。
【考题】
1. What false idea do some teenagers hold according to Paragraph 1?
A. Digital devices can hardly offer abundant learning resources.
B. Plenty of online materials can take the place of independent thinking.
C. Shortvideo feeds bring teenagers totally meaningless entertainment.
D. Teenagers should cut off all screen time for study.
【答案】B
【解析】细节理解题。定位原文第一段 “others harbour the illusion that abundant online materials can substitute for indepth independent thinking and manual knowledge exploration.”。illusion 对应题干 false idea；substitute for 同义替换 take the place of。A 与原文事实相反；C、D 文中无对应观点，属于无中生有。
2. The word “catalyst” in Paragraph 2 most probably means ______.
A. barrier B. driving force C. warning sign D. hidden risk
【答案】B
【解析】词义猜测题。定位第二段 “Still, digital technology serves as an illuminating catalyst for youth selfimprovement when handled prudently.”。结合上下文，审慎使用数字技术能够促进青少年自我提升，是正向含义。A 障碍、C 警示标志、D 潜在风险均为负面；B driving force 推动力，与 catalyst 同义。
3. We can infer from Paragraph 23 that ______.
A. Virtual courses cannot help students in remote areas
B. Overreliance on digital technology may bring physical and mental harms
C. Teenagers must reject all digital tools for their growth
D. Fragmented online information seldom misleads young people
【答案】B
【解析】推理判断题。定位第二、三段 “However, reckless overreliance on digital platforms will yield adverse consequences. Excessive screen exposure will erode sleep quality and physical wellbeing. Worse still, misleading fragmented online information may misguide youngsters...”。由此可推知过度依赖数字技术会带来身心伤害。A 与原文 furnish multifarious learning alternatives for teenagers residing in remote areas 相悖；C 中 must reject all 属于绝对化表述；D seldom 语义和原文相反。
4. What is the main theme of the whole passage?
A. Digital technology has both advantages and drawbacks and teenagers should use it rationally.
B. Teenagers ought to stay away from all kinds of online information completely.
C. Online information is so misleading that students should avoid digital devices.
D. Digital technology does far more harm than good for adolescent students.
【答案】A
【解析】主旨大意题。全文辩证论述：数字技术有利，但滥用会产生危害，呼吁青少年理性、平衡使用。B、C 全盘否定数字技术，和原文 “Rather than rejecting modern digital tools entirely” 冲突；D 文中没有对比 “坏处远大于好处”，属于主观过度推断。
【解题技巧】
词义猜测题 —— 所需阅读技能拆解（对标阅读题型训练）
一、题型定位
词义猜测是高频阅读题型，考查结合上下文语境推断生词、短语含义，不单纯考词汇背诵。命题位置：长难句、转折 but/however 前后、因果逻辑句。
常见考查对象：陌生名词、动词、形容词、高级短语。
二、学生必须具备的 3 项核心阅读技能
技能 1：识别上下文逻辑线索（词义猜测最重要抓手）
1. 转折逻辑 but /however/yet，前后词义褒贬相反；
2. 因果逻辑 so /therefore/as a consequence，前后语义呼应；
3. 同义解释：that is /in other words / 同位语从句，对生词直接解释；
4. 举例逻辑 for example /such as，例子辅助理解词义。
误区：只凭单词词根词缀猜测，忽略句子语境。
技能 2：识别感情色彩（褒义 / 贬义 / 中性）
1. 先判断这个单词所在句子整体是表扬、批判还是客观陈述；
2. 直接排除感情色彩完全矛盾的选项；
例：文中讲 digital technology 对 selfimprovement 起正向作用，选项 barrier（障碍）负面直接排除。
技能 3：代入验证，放回原文核对
把所选答案替换原文生词，重读整句，保证句子通顺，逻辑连贯。
三、识别 3 类典型干扰选项
1. 字面释义干扰：单词某一个偏僻字面含义，但完全不符合本篇上下文语境。
2. 感情色彩错位：原文褒义，选项给贬义；原文贬义，选项给褒义。
3. 无中生有：选项词义本身正确，但文章上下文没有线索支撑。
四、做题完整思维流程
1. 定位原文，锁定生词所在完整句子；
2. 找本句、前后句的转折、因果、同位语、举例线索；
3. 判断感情色彩，快速排除色彩矛盾选项；
4. 剩余选项代入原句通读验证；
5. 选出逻辑通顺、上下文能够找到线索的答案。
正确答案特征：依靠上下文逻辑推导得出，不是孤立单词释义。
【综合实战演练】
语篇
题型
体裁
词数
内容简介
Passage1
阅读理解
议论文
402
作者陈述人工智能发展的现状以及陈述自己的看法
Passage2
阅读理解
说明文
278
多项实验表明过度依赖AI工具会导致认知能力下降
Passage3
完形填空
说明文
297
介绍了手机的危害，并提出了合理使用手机的建议
Passage4
阅读理解
说明文，
336
介绍斯坦福大学开发的“不确定性感知AI”框架
Passage5
阅读理解
说明文
273
介绍了全球首家实体AI机器人4S店的运营模式、成效及推广前景
Passage1
（20232024 北京顺义区高一下期末）In a recent interview with the CEO of Norges Bank Investment Management, Elon Musk, CEO of Tesla, said artificial intelligence (AI) (人工智能) may become smarter than any human by the end of next year.
It is true that AI achievements over the past 18 months, including video generation tools and chat robots, have made the development of AI faster. The Financial Times reported that Musk actually announced last year that humans would “fully” achieve general artificial intelligence by 2029. Musk has long been supportive of AI development, believing it is so powerful that it can beat the most capable human in any field.
Despite its rapid development, AI needs policy, resources and technological support. Yet its use in many fields now does not have this kind of support. Cooperation (合作) among countries is also needed for AI development, but current international cooperation depends on many national causes, blocking the smooth development of AI. At the same time, AI development is also limited by some cultural causes, such as ChatGPT’s answers being more in line with the Western environment, which means the development of AI with a single national power may increase the imbalance of global AI development. All these call for exact connection between capital and the market, and a full range of international cooperation for AI development.
The fast development of AI in recent years has reduced production costs and improved production efficiency (效率), opening the door to new business forms in various areas. Despite bringing in efficiency, the use of artificial intelligence is also filled with risks. The technology continues to increase the difficulty in dealing with the problems concerning various laws, leading to calls for the sound law system applicable to this new technology.
According to experts, the power used by human brains is much lower than the power lost to artificial intelligence operation, and there is still a gap between the levels of artificial intelligence and human intelligence. However, from a long-term viewpoint, they believe that artificial intelligence, which now has many shortcomings compared with the human brain, may eventually better human intelligence supported by algorithms (算法) and data, depending on how some software develops.
The time of artificial intelligence is a time of risks and opportunities, and the uncertainty brought by this technology to human society may be far greater than the certainty.
35. How does the writer raise the subject of AI?
A. By listing human achievements.
B. By using the words of Elon Musk.
C. By showing video generation tools.
D. By providing specific data in the past.
36. According to the writer, which of the following is the risk of using AI?
A. The loss of cultural traditions.
B. The pollution of the environment.
C. The reduction of production efficiency.
D. The difficulty of dealing with law problems.
37. What does the underlined word “shortcomings” in Paragraph 5 probably mean?
A. Weaknesses. B. Mistakes. C. Benefits. D. Qualities.
38. What is the writer’s attitude towards AI development?
A Surprised. B. Supportive. C. Worried. D. Frightened.
39. What can we learn from this passage?
A. We should call on people to stop using AI.
B. There are many possibilities for the development of AI.
C. The opinion of Elon Musk is the same as most people’s ideas.
D. Many countries have caught the opportunity to buy AI chat robots.
【答案】35. B 36. D 37. A 38. C 39. B
【解析】
【导语】这是一篇议论文。作者陈述人工智能发展的现状以及陈述自己的看法，即给人工智能人类社会带来的不确定性可能远远大于确定性。
【35题详解】
推理判断题。由文章第一段“In a recent interview with the CEO of Norges Bank Investment Management, Elon Musk, CEO of Tesla, said artificial intelligence (AI) (人工智能) may become smarter than any human by the end of next year.(特斯拉首席执行官埃隆·马斯克在最近接受挪威银行投资管理公司首席执行官采访时表示，到明年年底，人工智能（AI）可能会变得比任何人都聪明。)”可知，作者用埃隆·马斯克的话提出了人工智能的话题。故选B项。
【36题详解】
细节理解题。由文章第四段中“Despite bringing in efficiency, the use of artificial intelligence is also filled with risks. The technology continues to increase the difficulty in dealing with the problems concerning various laws, leading to calls for the sound law system applicable to this new technology.(尽管带来了效率，但人工智能的使用也充满了风险。这项技术继续增加了处理各种法律问题的难度，导致人们呼吁建立适用于这项新技术的健全法律体系。)”可知，处理法律问题的困难是使用人工智能的风险之一。故选D项。
【37题详解】
词句猜测题。由划线词上文“According to experts, the power used by human brains is much lower than the power lost to artificial intelligence operation, and there is still a gap between the levels of artificial intelligence and human intelligence.(据专家介绍，人脑消耗功率远低于人工智能运行时所损耗功率，人工智能要达到人类智能水平尚存差距。)”可知，与人脑相比，人工智能目前存在一些缺点和不足之处；结合“However, from a long-term viewpoint, they believe that artificial intelligence, which now has many shortcomings compared with the human brain, may eventually better human intelligence supported by algorithms (算法) and data, depending on how some software develops.(然而，从长远来看，他们认为，与人脑相比，人工智能现在有许多shortcomings，但最终可能会在算法和数据的支持下胜过人类智能，这取决于一些软件的开发方式。)”中的“However”可知，专家们认为，尽管与人脑相比，人工智能现在有许多缺点和不足之处，但是从长远来看，在算法、数据不断加持下或最终超越人类智能；shortcomings意为“缺点，不足之处”，与weaknesses意思一致。故选A项。
【38题详解】
推理判断题。由文章第三段“Despite its rapid development, AI needs policy, resources and technological support. Yet its use in many fields now does not have this kind of support.(尽管人工智能发展迅速，但它需要政策、资源和技术支持。然而，它在许多领域的使用现在没有这种支持。)”、第四段“Despite bringing in efficiency, the use of artificial intelligence is also filled with risks. (尽管提高了效率，但使用人工智能也充满了风险。)”和最后一段“The time of artificial intelligence is a time of risks and opportunities, and the uncertainty brought by this technology to human society may be far greater than the certainty.(人工智能时代是一个充满风险和机遇的时代，这项技术给人类社会带来的不确定性可能远远大于确定性。)”可知，作者对人工智能的发展充满担心。故选C项。
【39题详解】
推理判断题。由文章最后一段“The time of artificial intelligence is a time of risks and opportunities, and the uncertainty brought by this technology to human society may be far greater than the certainty.(人工智能时代是一个充满风险和机遇的时代，这项技术给人类社会带来的不确定性可能远远大于确定性。)”以及上文可知，人工智能的发展有很多可能性，因为它有很多的不确定性。故选B项。
Passage2
（湖北随州市2025-2026学年高一下学期期末英语试题）The rise of AI tools, such as chatbots, is transforming how we learn and work. However, recent academic studies suggest that over-relying on AI might negatively affect our cognitive (认知的) abilities, a concern sometimes referred to as “brain rot.”
Professor Shiri Melumad’s experiment involved 250 people giving advice on a healthy lifestyle. Participants either used traditional Google searches or AI-generated summaries. The AI users produced nonspecific and unhelpful advice, like “eat healthy foods.” In contrast, those using traditional search provided more detailed suggestions, covering various aspects of physical and mental wellness. This indicates that heavy AI dependence can result in less effective outcomes.
Another significant study from MIT looked into AI’s impact on writing and memory. Researchers asked college students to write essays, dividing them into groups: one used ChatGPT, another Google search, and a third relied solely on their own knowledge. Brain activity sensors revealed that ChatGPT users showed the lowest brain activity, as the AI performed much of the cognitive effort.
Notably, just one minute after completing their essays, a striking 83% of ChatGPT users could not recall a single sentence they had written. Google users remembered some parts, while students who used no technology could recall most of their essays almost perfectly. The lead researcher stressed that without remembering what you create, you lose a sense of ownership. These findings suggest that AI tools might block true learning and deep understanding.
32. What did Professor Shiri Melumad’s experiment reveal about AI-generated advice?
A. It was preferred by most participants.
B. It tended to be general and less practical.
C. It covered a wider range of wellness topics.
D. It was more detailed than traditional search results.
33. How did the MIT study measure the cognitive impact of using ChatGPT?
A. By surveying users’ sense of concept.
B. By comparing essay scores among groups.
C. By analyzing the length of essays produced.
D. By recording participants’ recall rates after writing.
34. Why does the author say ChatGPT users lose a sense of ownership when using it to write?
A. The articles are too simple and empty.
B. Their writing skills become much worse.
C. AI takes away people’s communication chances.
D. They write by AI largely and cannot remember the content.
35. What is the author’s attitude towards AI tools?
A. Fully supportive. B. Completely indifferent.
C. Critically concerned. D. Highly enthusiastic.
【答案】32. B 33. D 34. D 35. C
【解析】
【导语】本文主要介绍了多项实验表明过度依赖AI工具会导致认知能力下降，产出内容空洞，且因缺乏记忆参与削弱学习深度与创作归属感，呼吁警惕“大脑退化”风险。
【32题详解】
细节理解题。根据第二段“The AI users produced nonspecific and unhelpful advice, like “eat healthy foods.” In contrast, those using traditional search provided more detailed suggestions, covering various aspects of physical and mental wellness.(使用AI的参与者给出了不具体且无帮助的建议，比如“吃健康的食物”。相比之下，那些使用传统搜索的人提供了更详细的建议，涵盖了身心健康各个方面)”可知，梅卢马达教授的实验显示AI生成的建议往往泛泛而谈、实用性低。
【33题详解】
细节理解题。根据第四段“Notably, just one minute after completing their essays, a striking 83% of ChatGPT users could not recall a single sentence they had written. Google users remembered some parts, while students who used no technology could recall most of their essays almost perfectly.(值得注意的是，就在完成论文一分钟后，高达83%的ChatGPT用户想不起他们写过的任何一个句子。使用谷歌的用户记得一些部分，而没有使用任何技术的学生几乎能完美地回忆起他们论文的大部分内容)”可知，MIT研究通过记录参与者写作后的内容回忆率来衡量AI的认知影响。
【34题详解】
细节理解题。根据第四段“The lead researcher stressed that without remembering what you create, you lose a sense of ownership. These findings suggest that AI tools might block true learning and deep understanding.(首席研究员强调，如果不记住你创造的东西，你就会失去一种主人翁感。这些发现表明，人工智能工具可能会阻碍真正的学习和深层理解)”可知，ChatGPT用户因大量依赖AI生成内容且无法记住所写内容，从而丧失创作归属感。
【35题详解】
推理判断题。文章通过两项实验揭示过度依赖AI会导致产出质量下降、大脑活跃度降低、记忆力受损及丧失创作主体性，并指出这阻碍了深度学习，由此可知，作者对AI工具持批判与担忧的态度。
Passage 3
（山东临沂市蒙阴县中学2025-2026学年第二学期高一下学期期中）Mobile phones are very common in our daily life now. Almost everyone has one mobile phone. They are very useful and make our life more ___21___. We can use them to keep in touch with our family and friends, take photos, listen to music and even do some shopping. But mobile phones also bring some ___22___ to us.
First, using mobile phones too much is bad for our ___23___. If we look at the screen for a long time, our eyes will feel tired and dry. Many students become short-sighted ___24___ they use mobile phones too often at home or at school.
Second, mobile phones may ___25___ our study or work. For example, when we are having a class or a meeting, the ring of a mobile phone may ___26___ others. Third, some people may spend too much time playing mobile phone games and ___27___ little time on their study or work. This will ___28___their grades or work efficiency. What’s worse, there is some ___29___ information on the Internet. If we don’t know how to choose, we may be influenced badly.
___30___, we can’t live without mobile phones now, but we should use them ___31___. We should use them to help us study and work better ___32___ waste too much time on them. Here are some suggestions for you: avoid using mobile phones for a long time; turn off your mobile phone during classes or meetings; and pay more attention to ___33___ things around you instead of checking your mobile phone all the time.
In a word, mobile phones are a double-edged sword (双刃剑). If we use them ___34___, they will help us a lot. If not, they will bring us many problems. So, ___35___ your mobile phone wisely and enjoy your life.
21. A. boring B. convenient C. comfortable D. terrible
22. A. advantages B. suggestions C. problems D. messages
23. A. eyes B. ears C. hands D. feet
24. A. so B. because C. but D. or
25. A. help B. improve C. influence D. develop
26. A. disturb B. attract C. interest D. surprise
27. A. take B. cost C. spend D. pay
28. A. increase B. drop C. raise D. change
29. A. good B. true C. healthy D. bad
30. A. However B. But C. Therefore D. And
31. A. freely B. properly C. easily D. quickly
32. A. rather than B. more than C. as well as D. in order to
33. A. ugly B. meaningful C. useless D. boring
34. A. badly B. carelessly C. correctly D. suddenly
35. A. buy B. choose C. use D. sell
【答案】21. B 22. C 23. A 24. B 25. C 26. A 27. C 28. B 29. D 30. A 31. B 32. A 33. B 34. C 35. C
【解析】
【导语】本文主要介绍了手机的危害，并提出了合理使用手机的建议。
【21题详解】
考查形容词。句意：它们非常实用而且让我们的生活变得更加便利。A. boring无聊的；B. convenient便利的；C. comfortable舒适的；D. terrible可怕的，糟糕的。根据后文“We can use them to keep in touch with our family and friends, take photos, listen to music and even do some shopping.”可知，我们用手机与家人朋友联系、拍照、听音乐，甚至购物，这些都体现的是手机让我们的生活变得更加“便利”。
【22题详解】
考查名词。句意：但是手机也给我们带来一些问题。A. advantages优点；B. suggestions建议；C. problems问题；D. messages消息。根据本句的转折“But mobile phones also bring some”可知，前文讲手机的好处，故此处转折，但是手机也带来了一些“问题”。
【23题详解】
考查名词。句意：首先，长时间使用手机对我们的眼睛不好。A. eyes眼睛；B. ears耳朵；C. hands手；D. feet脚。根据后文“If we look at the screen for a long time, our eyes will feel tired and dry. Many students become short-sighted”可知，长时间看屏幕，眼睛会感到疲劳和干涩，且很多学生变得近视，因此长时间使用手机对我们的“眼睛”不好。
【24题详解】
考查连词。句意：许多学生变得近视，因为他们在家里或学校太频繁地使用手机。A. so所以；B. because因为；C. but但是；D. or否则。根据空前“Many students become short-sighted”和空后“they use mobile phones too often at home or at school.”可知，空前和空后构成因果关系，因为使用手机太频繁，所以学生变得近视，故此处解释近视的原因。
【25题详解】
考查动词。句意：其次，手机可能会影响我们的学习或工作。A. help帮助；B. improve提高；C. influence影响；D. develop发展。根据后文“For example, when we are having a class or a meeting, the ring of a mobile phone may others.”可知，上课或开会时手机铃声会干扰他人，因此手机会“影响”我们的工作和学习。
【26题详解】
考查动词。句意：同上。A. disturb打扰；B. attract吸引；C. interest使感兴趣；D. surprise使惊讶。根据空前“when we are having a class or a meeting, the ring of a mobile phone”可知，上课或开会时手机铃响会“打扰”其他人。
【27题详解】
考查动词。句意：一些人可能花太多时间玩手机游戏，而在学习或工作上花很少时间。A. take（通常指花费时间，结构为it takes sb. time）；B. cost（花费金钱或精力，主语为物）；C. spend（花费时间或金钱，主语为人）；D. pay（支付金钱）。根据空后“little time on their study or work”可知，此处指在学习或工作上花很少时间，且主语为some people，故应用动词spend。
【28题详解】
考查动词。句意：这会降低他们的成绩或工作效率。A. increase增加；B. drop使下降，降低；C. raise提高；D. change改变。根据前文“some people may spend too much time playing mobile phone games and little time on their study or work.”可知，花时间玩游戏而不学习工作，会导致成绩下降或效率降低。
【29题详解】
考查形容词。句意：更糟糕的是，互联网上有一些不良的信息。A. good好的；B. true真实的；C. healthy健康的；D. bad坏的。根据后文“If we don’t know how to choose, we may be influenced badly.”可知，如果我们不知道如何选择，就可能受到不良影响，说明信息是“坏的、不良的”。
【30题详解】
考查副词/连词。句意：然而，我们现在离不开手机，但我们应该适当地使用它们。A. However然而；B. But但是（连词，不能单独用逗号隔开于句首）；C. Therefore因此；D. And并且。根据空后“we can’t live without mobile phones now”可知，前文讲了手机的坏处，故此处应转折，承认手机不可或缺，且空后有逗号隔开，此处用转折副词However。
【31题详解】
考查副词。句意：同上。A. freely自由地；B. properly恰当地；C. easily容易地；D. quickly快速地。根据后文“We should use them to help us study and work better waste too much time on them.”可知，后文提到我们应该用手机来帮助我们工作和学习，故要“恰当地、合理地”使用手机。
【32题详解】
考查短语。句意：我们应该用手机来帮助自己更好地学习和工作，而不是在它们上面浪费太多时间。A. rather than而不是；B. more than超过；C. as well as也；D. in order to为了。根据空前“We should use them to help us study and work better”和空后“waste too much time on them.”可知，此处具体介绍如何合理地实用手机，用手机来帮助我们学习和工作，“而不是”在手机上浪费太多时间。
【33题详解】
考查形容词。句意：多关注你周围有意义的事物，而不是一直看手机。A. ugly丑陋的；B. meaningful有意义的；C. useless无用的；D. boring无聊的。根据后文“instead of checking your mobile phone all the time.”可知，与虚拟世界的手机相对，指现实中有意义的、真实的事物。
【34题详解】
考查副词。句意：如果我们正确地使用它们，它们会帮我们很多。A. badly糟糕地；B. carelessly粗心地；C. correctly正确地；D. suddenly突然地。根据后文“they will help us a lot”可知，手机会帮助我们很多，是基于我们“正确地”使用它们。
【35题详解】
考查动词。句意：所以，明智地使用你的手机并享受你的生活。A. buy买；B. choose选择；C. use使用；D. sell卖。根据空后“your mobile phone wisely”可知，整篇文章讨论手机的使用，故结尾呼吁“使用”手机要明智。
Passage 4
（辽宁大连市2025-2026学年度第二学期期末考试高一英语试题）For decades, artificial intelligence has been designed to be confident. From chess-playing computers to medical diagnosis tools, AI systems are trained to produce a single, definitive answer. But a new wave of research suggests that the most reliable AI may actually be the one that learns to hesitate.
Scientists at Stanford University have developed a framework called “Uncertainty-Aware AI” (UAI), which allows machine learning models to express when they are unsure. Instead of providing a single prediction, UAI outputs a confidence score along with multiple possible explanations. If the confidence falls below a threshold, the system flags the query for human review.
In a recent trial involving radiology (放射学), UAI was tested against conventional AI systems. When analyzing chest X-rays, the conventional AI made a confident but incorrect diagnosis in 11% of ambiguous cases. UAI, by contrast, correctly identified 94% of those ambiguous cases as “uncertain” and passed them to human radiologists, reducing diagnostic errors by nearly 40%.
“The traditional approach treats uncertainty as a weakness,” explains lead researcher Dr. James Chen. “But in high-stakes fields like medicine or autonomous driving, overconfidence can be dangerous. Teaching AI to recognize its limits isn’t just safer — it actually makes the system more trustworthy.”
The implications extend beyond healthcare. In autonomous vehicles, for instance, a UAI system could signal when road conditions are too complex for safe self-driving, forcing a handover to the human driver. In financial trading, it could flag volatile (不稳定的) market conditions that exceed its predictive model.
Despite the promise, challenges remain. UAI requires significantly more computational power and extensive training data to calibrate uncertainty accurately. Moreover, integrating such systems into existing workflows demands new protocols (规程) for when — and how — humans should step in.
Nevertheless, the shift toward “humble AI” marks a philosophical departure from decades of AI development. As Dr. Chen puts it, “The smartest AI isn’t the one that always knows the answer. It’s the one that knows when it doesn’t.”
12. How is UAI different from conventional AI?
A. It is only used in medicine. B. It avoids making predictions.
C. It can express its uncertainty. D. It requires less computing power.
13. What did the radiology trial show about UAI?
A. It outperforms human doctors. B. It reduces errors in uncertain cases.
C. It is too slow for practical use. D. It fails in straightforward cases.
14. Why does the author mention autonomous vehicles?
A. To compare their complexity. B. To show UAI’s wide applications.
C. To argue against using AI there. D. To highlight UAI’s limitations.
15. What is the best title for the text?
A. The Future of Medical AI B. Teaching AI to Express Uncertainty
C. Why Overconfidence Harms AI D. Uncertainty: A New AI Challenge
【答案】12. C 13. B 14. B 15. B
【解析】
【导语】本文是一篇说明文，介绍斯坦福大学开发的“不确定性感知AI”框架，该框架允许AI表达不确定，在医疗、自动驾驶等领域具有重要应用价值。
【12题详解】
细节理解题。根据第二段“Scientists at Stanford University have developed a framework called “Uncertainty-Aware AI” (UAI), which allows machine learning models to express when they are unsure.(斯坦福大学的科学家们开发了一种名为“不确定性感知人工智能”（UAI）的框架，该框架使机器学习模型能够表明自身在某些情况下的不确定程度)”可知，不确定性感知人工智能能够表达自身的不确定性。故选C。
【13题详解】
细节理解题。根据第三段“When analyzing chest X-rays, the conventional AI made a confident but incorrect diagnosis in 11% of ambiguous cases. UAI, by contrast, correctly identified 94% of those ambiguous cases as “uncertain” and passed them to human radiologists, reducing diagnostic errors by nearly 40%.(在分析胸部X光片时，传统的人工智能在11%的模糊病例中做出了自信但错误的诊断。相比之下，UAI能正确将94%的这些模糊病例判定为“不确定”，并将它们转交给人类放射科医生，从而将诊断错误减少了近40%)”可知，放射学试验让UAI能在不确定的情况下减少错误。故选B。
【14题详解】
推理判断题。根据第五段“The implications extend beyond healthcare. In autonomous vehicles, for instance, a UAI system could signal when road conditions are too complex for safe self-driving, forcing a handover to the human driver. In financial trading, it could flag volatile (不稳定的) market conditions that exceed its predictive model.(其影响不仅限于医疗领域。例如在自动驾驶汽车中，一个人工智能辅助系统能够提示当道路状况过于复杂以至于无法实现安全自动驾驶时，应将控制权交还给人类驾驶员。在金融交易中，它还能识别超出其预测模型范围的不稳定市场状况)”可知，作者提及自动驾驶汽车是为了展示人工智能的广泛应用。故选B。
【15题详解】
主旨大意题。根据最后一段“Nevertheless, the shift toward “humble AI” marks a philosophical departure from decades of AI development. As Dr. Chen puts it, “The smartest AI isn’t the one that always knows the answer. It’s the one that knows when it doesn’t.”(然而，向“谦逊型人工智能”的转变标志着与数十年来人工智能发展进程的观念性决裂。正如陈博士所说：“最聪明的人工智能并非那种总是能给出答案的类型。而是那种知道自己无法给出答案时的那种类型。”)”以及文章开篇指出传统AI“过度自信”的问题，随后介绍斯坦福大学UAI框架——让AI学会表达不确定性，通过放射学试验验证其优势并拓展应用场景，最后点明“知道何时不知道的AI才是智能的”，全文核心围绕“教AI表达不确定性”展开。B选项“教授人工智能表达不确定性”最符合文章标题。故选B。
Passage 5
（辽宁抚顺七校协作体2025-2026学年度下学期期末考试高一英语试题）A robot 4S store in Beijing’s E-Tower is helping connect robotic companies, research institutions, and users while creating fresh real-world testing grounds for physical AI.
Called Robot World, the world’s first 4S store for physical AI robots, covers 4,000 square meters and displays more than 150 products for industrial, medical, and household applications. The four-story facility provides sales, spare parts, services, and surveys, along with tailored development, financing, and renting, according to its operator.
For visitors, the store offers a glance at how robots are moving beyond description and into practical use. “It is the first time that I have actually seen human-like robots and learned about their applications,” said Ananth Krishnan, a reporter with The Hindu who recently visited the site. He said eldercare robots were particularly noteworthy given China’s aging population.
According to Li Tianlei, a representative from Beijing E-Tower Technology Industry Development. Robot World has partnered with more than 70 leading robotics companies and generated over 30 million yuan since opening in August 2025. Li said the store’s showcase flow (演示场景) also helped improve robots that initially required more than three minutes to complete a task and now finished it in less than one minute after repeated operation and data training.
The store also gathers real-world operational data through its partners, creating what Li described as a feedback cycle for product upgrading and renewal. “The industry needs more applications,” Li said. “Robots must be tested and refined in real-world environments to better meet market demand.”
The model is now being expanded to provinces including Jiangsu, Zhejiang, and Fujian, while opportunities abroad are also under consideration.
32. What services can Robot World provide?
A. Only sales and spare parts for industrial robots.
B. Personalized development.
C. Free repairs and long-term training for all users.
D. Producing, financing, and renting for companies only.
33. What does the number “30 million yuan” mainly suggest about Robot World?
A. It has gained great market acceptance. B. It is a highly profitable business.
C. It charges high prices for its robots. D. It receives government financial support.
34. Which has the closest meaning to the underlined word “cycle” in Para. 5?
A. A repeated process of testing and improving products.
B. A business model of selling and renting robots.
C. A tour route inside the robot store.
D. A period of time for robot operation training.
35. What is the author’s attitude towards the future of the 4S store model?
A. Curious. B. Uninterested. C. Critical. D. Positive.
【答案】32. B 33. A 34. A 35. D
【解析】
【导语】文章主要介绍了全球首家实体AI机器人4S店的运营模式、成效及推广前景。
【32题详解】
细节理解题。根据第二段中“The four-story facility provides sales, spare parts, services, and surveys, along with tailored development, financing, and renting, according to its operator.(据其运营商介绍，这座四层楼的设施提供销售、备件、服务和调查，以及量身定制的开发、融资和租赁)”可知，Robot World提供个性化（定制化）开发服务。
【33题详解】
细节理解题。根据第四段中“Robot World has partnered with more than 70 leading robotics companies and generated over 30 million yuan since opening in August 2025.(Robot World已与70多家领先机器人企业合作，自2025年8月开业以来营收已超3000万元)”可知，3000万元的营收数据表明该商业模式获得了市场的广泛认可和接受。
【34题详解】
词句猜测题。根据第五段中“The store also gathers real-world operational data through its partners, creating what Li described as a feedback cycle for product upgrading and renewal.(该商店还通过其合作伙伴收集现实世界的运营数据，创建了李所说的产品升级和更新的反馈cycle)”以及后文“Robots must be tested and refined in real-world environments to better meet market demand.(机器人必须在现实环境中进行测试和改进，以更好地满足市场需求)”可知，通过收集真实运营数据，对产品进行反复测试和改进，形成反馈闭环。所以cycle指的是通过收集数据、测试、改进产品、再收集数据的反复过程。
【35题详解】
推理判断题。根据最后一段“The model is now being expanded to provinces including Jiangsu, Zhejiang, and Fujian, while opportunities abroad are also under consideration.(该模式目前正在向江苏、浙江、福建等省份推广，同时也在考虑拓展海外机遇)”可知，作者通过描述该模式的成功及积极扩张的态势，表达了对其未来的看好态度。
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