Unit 3 The world online（二）-2026-2027学年高中英语教材全解必修三（译林版）

Unit 3 The world online 教材全解（二） site,boot,arrangement,cash,above all else,establish. 。单元核心词汇 software,instant,comment,aware,surf,guideline,remove, file,belong,ballet,set up 。单元同步语法 非谓语动词对比 ⊙单元文章对话 重点句型讲练 教材同步词汇全解全练 重点1 单元词汇 l.establish/I'staeblIf/vt.建立（关系或联系）；设立；确立；使得到认可；查实，确定 词形变化：establishment(.建立；机构)；established(adj.已建立的；公认的) 搭配：establish a relationship/company/nule;establish oneself as.…确立自己. 的地位 例句：The two companies established a partnership last year. It took years to establish the truth. 2.instant'/nstont//adj.即时的，立刻的；方便的n.瞬间，片刻；某一时刻 词形变化：instantly(av.立即)；instantaneous(adj.瞬间的) 搭配：instant message/coffee/response;in an instant立刻 辨析：instant强调极短时间（如instant noodles),immediate强调无中间环节 (如immediate action)。 例句：With the Internet,,we get instant access to global news, 3.comment/'kpment//n.议论，评论；批评，指责vi.&vt.表达意见 词形变化：commentator(m.评论员)；commentary(n.实况报道；评论) 搭配：make a comment on/about;comment on/upon;no comment 例句：The spokesperson refused to comment on the issue. 4.aware /a'wea(r)/adj.知道，意识到；察觉到，发觉；有…意识的 词形变化：awareness(n.意识)；unaware(adj.未察觉的) 搭配：be aware of;become aware that;environmentally/socially aware 辨析：aware指通过信息或观察知道；conscious指内心自觉或清醒状态。 例句：Young people should be aware of online safety. 5.surf/s3:fvt.&vi.(互联网上)冲浪，浏览；进行冲浪运动 词形变化：surfer(n.冲浪者)；surfing(n.冲浪运动；网上冲浪) 搭配：surf the Internet/the Web;go surfing;surf the waves 例句：Many students surf the Internet for information. 6.guideline/'gardlam/n.准则，指导方针；参考 词形变化：常以复数guidelines出现 follow /issue/provide guidelines;health guidelines;safety guidelines 例句：The school has set clear guidelines for using mobile phones. 7..remove/n'mu:v/t.删除；移走；开除 词形变化：removal(.移动；去除)；removable(adj.可移走的) 搭配：remove...from.;remove obstacles/doubts/someone from office 例句：You can remove the virus by running an antivirus program. 8.belong /bI'lpn/vi.应在（某处）；能适应；belong to属于，归…所有 词形变化：belonging(m.归属)；belongings(m.所有物) 搭配：belong to;belong in/on/under;sense of belonging 例句：This dictionary belongs to the library, He doesn't belong here. 9.request /I'west/vt.要求，请求n.要求，请求；要求的事 词形变化：无常见词形变化 request sth.(from sb.);request sb.to do sth.;at sb.s request;make a request 辨析：request较正式，比ask礼貌；demand语气更强硬。 例句：She requested permission to leave early. lO.technical/'teknik./adj.技术的，技能的；专门技术的；专业的 词形变化：technique(n.技术；技巧)；technology(.科技)；technically(adv. 技术上；严格地说) 搭配：technical support/problem/issue;technical term 例句：The computer keeps crashing due to a technical fault. 11.upload/△p'1aud/vt.上载，上传 词形变化：upload(n.上传的文件；上传动作)；反义词download 搭配：upload files/photos/videos;upload to the cloud 例句：You need to upload the document before the deadline. 12.download/,dawn'lawd/vt.下载 词形变化：download(n.下载的文件；下载动作) 搭配：download software/music/files;download from the Internet 例句：It is illegal to download copyrighted content without permission. 考点通关 单元词汇 (一)单句填空（用所给词的适当形式填空） 1.The company was (establish)in 2010 and has grown rapidly. 2.The message was sent (instant)after he pressed the button. 3.The reporter was asked to (comment)on the recent event. 4.Are you fully (aware)of the potential risks involved? 5.She spends hours (surf)the Internet every evening. 6.Schools must follow the safety (guideline)issued by the government. 7.Please (remove)the suspicious file from your computer. 8.This old painting (belong)to the local museum. 9.The customer (request)a full refund for the defective product. 10.The system crashed due to a (technical)error. 11.You need to (upload)the report before 5 p.m. 12.You can (download)the app from the official website for free. (二)短文填空 We live in a digital age.To make good use of the Internet,we should first 1. clear goals.We need to be 2. of online risks.When we 3. the web,we may encounter various information.It is polite to 4. on others'posts.If we find harmful content,we should 5. it immediately.Many people like to 6. their photos and 7. music.However,8. problems sometimes occur. The website provides 9. for users.If you need help,you can 10. assistance from the support team.Remember,these rules 11. to all users.With 12. messages,we can communicate quickly. 参考答案 (一)单句填空 1.established;2.instantly;3.comment;4.aware;5.surfing;6.guidelines; 7.remove;8.belongs;9.requested;10.technical;11.upload;12.download 1.establish;2.aware;3.surf;4.comment;5.remove;6.upload;7.download; (二)短文填空 8.technical;9.guidelines;10.request;11.belong;12.instant A 教材同步语法全解全练 重点1 非谓语动词对比 非谓语动词对比 项目 内容 非谓语动词是指在句中不作谓语的动词形式，包括动词不定式(todo)、 定义 动名词(-ing形式)和分词（现在分词-ing、过去分词-ed)。它们不受主 语人称和数的限制，但保留动词的某些特征（如可带宾语、状语）。 不定式(to 表示目的、将来、具体动作；常作主语、宾语、定语、状语、补语。 do) 1 To learn English is important. 动名词 表示一般、习惯、抽象动作；常作主语、宾语、表语、定语。 (doing) D Swimming is good for health. 现在分词 表示主动、进行；常作定语、状语、补语。 (doing) 1 The boy running is my brother. 过去分词 表示被动、完成；常作定语、状语、补语。 (done) 1 The book written by him is popular. 不定式常表示具体的、一次性的动作；动名词表示泛指、习惯性的动作。 作主语 ①To finish the work today is impossible.（具体一次) ②Swimming in the river is dangerous.(泛指习惯) 有些动词后只能用不定式：want,decide,hope,refuse,plan… 作宾语 有些动词后只能用动名词：enjoy,avoid,,finish,suggest,,keep. 有些动词两者皆可但意义不同：remember to do(记得要做)，remember doing(记得做过)；forget,,stop,ty等类似。 不定式表示将来动作；现在分词表示主动进行；过去分词表示被动或完 成。 作定语 ①the meeting to be held tomorrow(将要举行的会议) ②the falling leaves(正在飘落的叶子) ③the fallen leaves(已落下的叶子) 不定式表示目的、结果、原因；分词表示时间、原因、条件、伴随等，注 意逻辑主语一致。 作状语 ①To catch the bus,he ran fast.(目的) ②Hearing the news,they cried.(主动伴随) ③Surrounded by enemies,,he fought bravely.(被动伴随) 不定式表示全过程或将来；现在分词表示主动进行；过去分词表示被动完 成。 作宾语补足语①I saw him cross the street. 2I saw him crossing the street. 3I saw the window broken. It +be adj.for sb.to do sth It is no use/good doing sth. 固定句型 spend time (in)doing sth. have trouble difficulty (in)doing sth prefer doing a to doing B/prefer to do A than do B 考点通关 非谓语动词对比 语法专练一：单项选择(8题) 1.-Why are you so busy?-I have a lot of work A.to do B.doing C.done D.do 2.He devoted all his time the disabled. A.to help B.helping C.to helping D.help 3.The boy by the teacher is his son. A.punished B.punishing C.to punish D.punish 4. the exam,he studied day and night. A.Pass B.To pass C.Passing D.Passed 5.I still remember the famous singer in 2018. A.meet B.to meet C.meeting D.met 6.The building now will be a library. A.built B.building C.to build D.being built 7.It is no use him;he won't listen. A.to persuade B.persuading C.persuaded D.persuade 8.When I walked past his room,I heard him the piano A.to play B.playing C.played D.play 语法专练二：语法填空（10题) 阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。 1.My favorite hobby is stamps. 2.t me a lot of time,but I enjoy it. 3.Last week,I decided some new stamps from a shop. 4.While I through the albums,I found a very rare stamp. 5.The shop owner, at me,said it was worth 500 yuan. 6. this,I was shocked. 7.I really wanted it. 8.I asked my parents me have it. 9.but they told me too much money. 10. their worried faces,I gave up. 参考答案 语法专练一：单项选择1.B;2.C;3.A;4.B;5.C;6.D;7B;8B 1.collecting;2.takes;3.to buy;4.was looking;5.smiling; 语法专练二：语法填空 6.Hearing;7.to own;8.to let;9.not to spend;10.Seeing 教材同步文章句型精讲 重点句型 Smartphone:a smart choice? 1.What many people don't realize is that the constant notifications and endless scrolling can ead to anxiety,stress and a loss of focus 结构：What+主语+谓语+is that+从句 中文：很多人没有意识到的是，不断的通知和无穷的滚动会导致焦虑、压力和注意力 丧失。 用法：wat引导主语从句，谓语用单数；that引导表语从句，说明具体内容。 ..making it harder to connect with the people around us 结构：主句+，+making+it+adj.+to do sth, 中文：这使得我们更难与周围的人联系。 用法：现在分词短语表示主句的自然结果，t为形式宾语，真正宾语为不定式。 3.Although it can be difficult to resist the temptation of our phones.. 结构：It+be+adj.+(for sb.)+to do sth. 中文：尽管抵制手机的诱惑可能很难… 用法：it作形式主语，真正主语是不定式短语，常见形容词有difficult、important等。 4.By rethinking our relationship with technology,we can use smartphones as a tool... 结构：By+doing sth.,+主句 中文：通过重新思考我们与技术的关系，我们可以把手机用作工具… 用法：by表示“通过…方式”，后接动名词短语作方式状语。 5.We should set boundaries for smartphone use. 结构：固定搭配 中文：我们应该为手机使用设定界限。 用法：set boundaries意为设定界限；类似搭配还有take time away from、focus on、make a difference、rather than等。 考点通关 文章句型 练习一：补全对话（从方框中选择合适的短语） A:I can't stop checking my phone.It's really distracting. B:Many people have the same problem.1 is that we don't realize how much it affects us. A:What should I do? B:2. by turning off notifications A:That sounds helpful.But 3. can be difficult at first. B:Yes,but 4 like setting screen time limits can make a big difference. A:I'll try.5. my relationship with technology,I hope to use it better. B:Good!Remember,use it as a tool 6. a master. 选项： A.What many people don't realize B.By rethinking C.It is easy to resist D.It can be difficult to resist E.small changes F.rather than G.such as make a difference 练习二：翻译句子（在横线上写出完整句子） 1.很多人没有意识到的是，不断的通知会导致焦虑。 2.这使得我们更难与周围的人联系。 3.尽管抵制手机的诱惑可能很难，但小改变能产生大作用。 4.通过重新思考我们与技术的关系，我们可以避免成为手机的奴隶。 5.设定界限很重要，比如关掉通知。 6.我们应当把智能手机当作工具，而不是控制我们的东西。 7.他专注于现实世界而不是虚拟世界。 8.她学会了暂时离开屏幕的重要性。 9.我们需要在科技便利和人际联系之间找到平衡。 10.什么能帮助我们保持专注？关闭通知（是一个好办法）。 参考答案 练习一：补全对话 1.A;2.B;3.D;4.E;5.B;6.F 1.What many people don't realize is that constant notifications can lead to anxiety.2.This makes it harder to connect with the people around us.;3.Although it can be difficult to resist the temptation of our phones,small changes can make a big difference.4.By rethinking our relationship with technology,we can avoid becoming slaves to our phones.;5.It is important to set 练习二：翻译句子 boundaries,such as turning off notifications.6.We should use smartphones as a tool rather than something that controls us. 7.He focuses on the real world rather than the virtual world. 8.She has learned the importance of taking time away from screens.9.We need to find a balance between the convenience of technology and the need for human connection.;10.What can help us stay focused?Turning off notifications(is a good way). 教材同步单元练习 一、阅读理解 Passage 1 The digital age has brought about an unprecedented level of connectivity,but it has also given rise to a paradoxical phenomenon:the feeling of being alone while constantly connected.This feeling,often described as"digital loneliness,"is increasingly recognized by psychologists as a significant mental health concemn for the 21st century. At its core,digital loneliness is not about the absence of social interaction,but its quality.The online world,with its instant messages and carefully curated social media feeds,often replaces deep,meaningful conversations with shallow,transactional ones.While a teenager might have hundreds of online"friends," they may lack a single confidant with whom they can share their deepest fears and joys.The sheer volume of online contact can create a false sense of social fulfillment,masking a profound deficit in genuine human connection.Studies have shown that heavy social media use is correlated with increased feelings of social isolation and depression.The constant comparison with others'seemingly perfect lives, a phenomenon exacerbated by the"highlight reels"presented online,can foster feelings of inadequacy and envy,further deepening the sense of disconnection. However,it is crucial to avoid painting the digital world with too broad a brush.The problem lies not with the technology itself,but with how we use it.For many,the intemnet provides a vital lifeline.It allows individuals with rare diseases to find support groups,members of marginalized communities to connect with like-minded peers,and families separated by oceans to maintain a semblance of closeness.The key, experts argue,is intentionality.Using technology to schedule real-world meetups or to maintain relationships formed offline can be beneficial.Conversely,passively scrolling through endless feeds is often where the damage is done. The solution to digital loneliness is not to abandon our devices,but to reclaim our agency over them.This involves setting fim boundaries around screen time,consciously choosing to engage in synchronous communication(such as phone calls or video chats)over asynchronous ones (such as texts or likes),and, most importantly,prioritizing the messy,imperfect,and ineplaceable beauty of face-to-face interaction.In a world that celebrates being"always on,"learning to disconnect intentionally might be the most important connection we can make. ()1.What is the main paradox of the digital age mentioned in the first paragraph? A.People are more connected but feel more alone. B.Technology is becoming more advanced but more expensive. C.Social media brings people together but also causes conflict. D.The internet provides information but is full of false news. ()2.According to the passage,what primarily contibutes to"digital loneliness'? A.Having too few online fiiends B.The poor quality of online interactions. C.The fast speed of internet connections. D.A lack of access to social media platforms. ()3.The phrase"highlight reels"in paragraph 2 most likely refers to A.the best moments in a sports game B.the most popular videos online C.the carefully selected,positive aspects of one's life shown online D.the technical features that make a video stand out ()4.What is the author's attitude towards technology in dealing with digital loneliness? A.The author strongly believes we should abandon smartphones. B.The author is neutral and does not offer a clear opinion. C.The author believes the problem lies in how we use technology,not the technology itself. D.The author is optimistic that the problem will solve itself over time ()5.Which of the following actions would the author most likely recommend? A.Doubling the time spent on social media to connect with more people. B.Replacing all online interactions with offline activities. C.Scheduling a video call with a close friend instead of just liking their posts. D.Using technology to monitor and increase one's online"fiiend"count. Passage 2 The internet is often celebrated as the great democratizer of information,a global library accessible to anyone with a connection.In theory,this is true.However,the reality of how we navigate this vast digital landscape is far more complex and is increasingly shaped by invisible forces known as"filter bubbles" and "echo chambers."These phenomena,while subtle,have profound implications for our worldview, our politics,and our capacity for critical thought. A filter bubble is a state of intellectual isolation that results from personalized algorithms.When you search for something on Google,watch videos on YouTube,or scroll through your news feed on Facebook,these platforms are constantly tracking your behavior-what you click on,how long you stay on a page,what you like and share.Using this data,proprietary algorithms predict what you are most likely to engage with and then surgically tailor your online experience.The intention is to keep you on the platform longer,but the side effect is that you are increasingly fed information that aligns with your existing beliefs and interests,while being effectively shielded from opposing viewpoints.You are,in effect,living in a personalized bubble of information that confirms your own biases. An echo chamber is a related but distinct concept.While a filter bubble is created by algorithms for you, an echo chamber is a social environment you help create by surrounding yourself with like-minded people.In an online echo chamber,your existing views are constantly amplified and reinforced through repetition and mutual endorsement within a closed group.Dissenting voices are not just absent,they are often actively silenced or discredited.This creates a powerful feedback loop where opinions,no matter how extreme,can be nommalized and intensified without being challenged by reality or alternative logic Conspiracy theories thrive in echo chambers because they are rarely subjected to critical scrutiny from outside the group. The combined effect of filter bubbles and echo chambers is a significant threat to a healthy public discourse.They can lead to political polarization,making it seem like the other side is not just wrong but unreasonable or evil.They can also erode our ability to empathize with people who hold different views, as we are no longer exposed to their stories or perspectives.To combat this,digital literacy education is more important than ever.We must teach young people not just how to find information,but how to actively seek out diverse perspectives,question the sources of their information,and recognize the invisible hand of the algorithm that is shaping their daily view of the world.Breaking out of our digital bubbles requires intentional effort and a willingness to be intellectually uncomfortable. ()1.What is the primary purpose of the algorithms that create filter bubbles? A.To educate users about different viewpoints. B.To maximize user engagement on the platform C.To protect users from harmful or false information. D.To ensure a balanced and objective flow of news. ()2.How does an"echo chamber"differ from a "filter bubble"according to the passage? A.An echo chamber is created by algorithms,while a filter bubble is created by users. B.An echo chamber involves reinforcement by a social group,while a filter bubble is individually tailored. C.An echo chamber is more harmful than a filter bubble D.An echo chamber only exists on social media,while a filter bubble exists on search engines. ()3.The passage suggests that conspiracy theories thive in echo chambers because A.they are often proven to be true B.the algorithms specifically promote them C.they are rarely challenged by outside perspectives D.people in echo chambers are less intelligent ()4.What is the most effective way to combat the negative effects of filter bubbles and echo chambers? A.Spending less time on the internet. B.Joining more online groups with similar interests C.Developing digital literacy to actively seek diverse views D.Relying on social media algorithms to broaden one's perspective. ()5.What is the author's main concern regarding filter bubbles and echo chambers? A.They cause technical problems for internet users. B.They lead to a decline in intemnet sales and advertising C.They threaten healthy public discourse and critical thinking D.They make it harder for people to connect with old friends. 二、完形填空 In the age of information,the ability to distinguish truth from falsehood has never been more critical-or more challenging.The intemet,a tool of incredible power,has unfortunately become a breeding ground for"fake news,"a term that describes deliberately misleading information (1) as news.The spread of this content is not just a nuisance,it poses a serious threat to democratic processes,public health,and social harmony. One of the primary reasons for the rapid(2) of fake news is the very nature of online platforms Algorithms,designed to maximize user engagement,often prioritize sensational and emotionally charged content over factual reporting.A (3) headline is far more likely to be clicked,shared,and go viral than a measured,well-researched article.This creates an environment where misinformation can spread(4) often circling the globe multiple times before the truth has even had a chance to put its boots on The (5) of fake news is also sophisticated.Producers of disinformation often mimic the look and feel of legitimate news websites,using similar fonts,layouts,and domain names to (6) unsuspecting readers.They exploit our cognitive biases-our tendency to believe information that confirms our pre-existing beliefs,a phenomenon known as confurmation bias.A person who already distrusts a particular politician is more likely to(7) a negative-and falsestory about them. So,how can we,as responsible digital citizens,navigate this (8) landscape?The first step is to cultivate a healthy sense of skepticism.Before sharing a piece of news,pause and ask yourself critical questions:Who created this content?What is the source?Is it a well-known,credible news organization? Are there other major outlets reporting the same story?If the story seems too outrageous or perfect to be (9) _it probably is. Furthermore,we must leamn to read beyond the (10) A sensational headline is designed to grab our attention and provoke an emotional reaction,not to accurately summarize the facts.Click on the link and read the entire article.Often,the body of the article contradicts the misleading headline Finally,we should(11)the habit of"lateral reading."This involves leaving the original website to see what other sources,including fact-checking organizations like Snopes or PolitiFact,have to say about the claim.Ifno other credible source is reporting the story,it is a major red flag.In the fight against fake news,our most powerful weapon is not a piece of software,but our own critical mind.By being more(12) and deliberate consumers ofinformation,we can help stop the spread of falsehoods and protect the integrity of our shared reality. 1.A.disguised B.defined C.discovered D.delivered 2.A.production B.spread C.decline D.storage 3.A.boring B.catchy C.long D.simple 4.A.slowly B.secretly C.widely D.wildly 5.A.creation B.defense C.damage D.removal 6.A.inform B.educate C.fool D.guide 7.A.create B.ignore C.believe D.question 8.A.beautiful B.simple C.safe D.treacherous 9.A.true B.false C.complex D.exciting 10.A.lines B.words C.headline D.images 11.A.break B.develop C.forget D.break 12.A.passive B.emotional C.active D.careless 三、阅读短文回答问题 The concept of Intemet addiction,while not officially recognized as a distinct disorder in all medical manuals,is a growing concem for parents,educators,and health professionals worldwide.It refers to compulsive and excessive use of the intemnet that interferes with a person's daily life,relationships,and mental well-being.This can manifest in various forms,from compulsive social media checking and online gaming to an uncontrollable urge to shop online. One of the primary characteristics of internet addiction is the loss of a sense of time.An individual intending to spend only a few minutes online might find themselves hours later,having neglected work, homework,or sleep.This often leads to a cycle of guilt and shame,which paradoxically drives them back online as a form of escape.Another key sign is withdrawal.When separated from their devices,addicts may experience restlessness,anxiety,or even physical symptoms of distress.They often prioritize online interactions over real-world relationships,leading to social isolation and conflict with family and fiends. The underlying causes are complex.For some,the internet provides a safe haven from real-world problems like social anxiety,academic pressure,or family conflict.The online world offers a sense of control,achievement,and social belonging that may be lacking in their offline lives.For others,the design of the apps themselves is a contributing factor.Features like infinite scroll,push notifications,and variable rewards(the unpredictable likes"on a post)are engineered to be highly addictive,stimulating the brain's reward centers in ways similar to other behavioral addictions like gambling Treatment for internet addiction often involves cognitive behavioral therapy(CBT)to help individuals identify the triggers for their compulsive behavior and develop healthier coping mechanisms.Family therapy is also common to address underlying relational issues.Digital detoxes,where individuals take a planned break from all non-essential technology,can be a powerful but challenging first step.The goal is not total abstinence from the internet,which is unrealistic in the modern world,but rather the cultivation of a balanced and intentional relationship with technology where the tool serves the user,not the other way around. 1.What is the definition of"internet addiction"as given in the passage? 2.According to the passage,what are two behavioral signs of intemnet addiction? 3.Why does the passage mention that apps are designed to be highly addictive'? 4.What is the main goal of treatment for internet addiction,and why is total abstinence not the goal? 5.The passage mentions that the internet can be a"safe haven"for some.What kind of people might be particularly drawn to this aspect of the internet? 四、短文填空（词汇运用) 阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。所填词汇需从本单元重 点词汇中选取(establish,instant,.comment,.aware,sumf,guideline,remove.,belong,request,.technical, upload,.download).。 Online safety is a topic of great importance for every netizen.To(1) a safe online environment, it's crucial to follow some basic(2).First,always be(3) of the information you share.Once you (4) a photo or a video to a public platform,it can be almost impossible to completely (5) it from the intemet. Before(⑥) a file from an unknown source,consider the (7) risks.It might contain a virus.If you encounter cyberbullying,don't(8) on it or spread it fuurther.Instead,(9) that it be removed by the platform administrator.Remember,the virtual world also has rules that(10) to everyone.While social media allows for (11) communication,it is important to think before you post.By staying informed,we can all become more responsible digital citizens and enjoy a safer online experience.The key is to (12) a positive digital footprint. 2. 3. 4 5. 6. 7. 8. 9. 10. 11. 12. 五、写作 如今，社交媒体(social media)已成为我们生活中不可或缺的一部分，但人们对它带来的影响 看法不一。请以“The Impact of Social Media on Our Lives”为题，写一篇英语短文，向校英语报 投稿。 内容要点如下： 1.简要介绍社交媒体流行的现状。 2.分析社交媒体给人们生活带来的积极影响（至少两点）。 3.指出社交媒体带来的负面影响（至少两点）。 4.提出如何合理使用社交媒体的建议。 要求： 1.词数：150词左右。 2.内容完整，条理清晰，语言连贯。 3.可以适当增加细节，以使行文连贯。 Answer Sheet(答题区) 参考答案 Passage 1:1.A2.B3.C 4.C5.C 一、阅读理解 Passage 2:6.B 7.B 8.C9.C 10.C 二、完形填空 1.A2.B3.B4.D5.A6.C7.C8.D9.A10.C11.B12.C 1.Intemnet addiction refers to compulsive and excessive use of the intemet that interferes with a person's daily life,relationships,and mental well-being. 2.Two behavioral signs are:the loss of a sense of time(e.g.,spending hours online when intending to be on for minutes)and withdrawal (experiencing restlessness or anxiety when separated from devices). 3.The passage mentions apps are designed to be highly addictive to explain how the 三、阅读短文features of the apps themselves(like infinite scroll and variable rewards)contribute to 回答问题 the problem of internet addiction by stimulating the brain's reward centers. 4.The main goal of treatment is to cultivate a balanced and intentional relationship with technology.Total abstinence is not the goal because it is unrealistic in the modern world, the intemnet is a necessary tool for work,education,and communication. 5.People who are drawn to this aspect are those with real-world problems like social anxiety,academic pressure,or family conflict,as the internet offers them a sense of control,achievement,and social belonging they may lack offline 1.establish 2.guidelines 3.aware 4.upload 5.remove 6.downloading 7.technical 8 四、短文填空 comment 9.request 10.belong 11.instant 12.establish 五、写作 范文： The Impact of Social Media on Our Lives Social media has become an inseparable part of modern life,transforming how we communicate,share information,and perceive the world.Its impact,however,is a double-edged sword On the positive side,social media offers unprecedented connectivity.It allows us to stay in touch with fiends and family across the globe,bridging geographical distances.Furthermore,it serves as a powerful platform for leaming and social movements,providing instant access to news and enabling people to rally behind common causes. Conversely,the negative impacts are equally significant.One major issue is the spread of misinformation, which can mislead public opinion and even endanger public health.Additionally,heavy reliance on social media can lead to a distorted sense ofreality,where users constantly compare themselves to the carefully curated"highlight reels"of others,resulting in anxiety and low self-esteem. To conclude,while social media is a powerful tool,it requires wise usage.We should be critical of the information we consume,set boundaries for our screen time,and prioritize real-life interactions.Only by using it with intention can we maximize its benefits and minimize its harms.