Unit1 The Changing World 第二课时 Section A 3a-4c同步课时练习2026-2027学年人教版英语九年级上册

**基本信息** Unit1 The Changing World 单元同步课时练习（Section A 3a-4c），通过基础、能力、拓展三层设计，实现词汇句型到语篇应用的递进，强化语言能力与思维品质。 **分层设计** |层次|知识覆盖|设计特色| |----|----------|----------| |基础过关|核心词汇（如high-tech）、基础句型（used to）|汉语提示填空，直接巩固课时重点| |能力强化|语法（动词形式、时态）、语篇衔接|动词适当形式填空、补全对话，提升语言运用| |拓展提升|科技主题语篇理解|阅读理解（航天、AI等），培养文化意识与信息提取能力|

Unit1 The Changing World 单元同步课时练习 第二课时 Section A 3a-4c 【基础过关】 一、根据括号内所给的汉语提示完成句子。 1. The museum shows lots of new ____________(高科技的) machines. 2. We can grow vegetables all year round in the ____________ (温室). 3. The ____________ (公路) is closed because of the heavy rain. 4. The ____________ (铁路) connects Beijing and Shanghai. 5. Our ____________ (社会主义的) country becomes stronger and stronger. 6. We can use ____________ (电子支付) to pay for meals and clothes. 7. People hope that ____________ (住房) prices will become reasonable. 8. Schools are using more ____________ (电子的) tools for teaching. 9. The app provides free ____________ (音频的) materials for students. 10. The train ran off the ____________ (轨道) because of the heavy rain last night. 二、根据汉语意思完成句子，每空一词。 1. 她从前在大城市工作，如今住在乡下。 She ____________ ____________ work in big cities, but now she lives in the countryside. 2. 人们正努力让耕作方式更加环保。 People are trying to make the ____________ ____________ ____________ more eco-friendly. 3. 很多人参观西安附近的热门景点 —— 法门寺。 Many people visit Famen Temple, a popular ____________ ____________ near Xi’an. 4. 凭借不懈努力，这个偏远村落发展成了社会主义新农村。 Thanks to hard work, the remote village has developed into a ____________ ____________ ____________. 5. 他学习努力，结果通过了考试。 He worked hard. ____________ ____________ ____________, he passed the exam. 【能力强化】 三、用所给动词的适当形式填空。 1. We should obey the traffic rules while ____________(drive) on the highway. 2. Classical gardens are the biggest ____________(attract) of Suzhou. 3. This kind of tea is a traditional local ____________(produce) from Hubei. 4. Our athletes ____________(improve) their skills since last year. 5. Lots of sea areas used to be ____________(dirt) due to plastic rubbish from human activities. 6. Chinese traditional culture is ____________(wide) spread with the help of short videos. 7. People's life ____________(change) a lot over the last 20 years. 8. We have difficulty ____________(cross) the river, for there is no bridge. 9. Cultural tourism has ____________(great) raised the popularity of ancient towns. 10.People's living ____________(standard) keep rising under the socialist system. 四、选择填空。 ( )1. The government takes many useful measures to ______ the living conditions in rural areas. A. increase B. promise C. improve D. prepare ( )2. — Hard work and good ideas are the ______ of his great success. — I totally agree. No one can succeed easily. A. product B. reason C. sign D. choice ( )3. — Our school ______ many new buildings in the last five years. — It must look much more beautiful now. A. builds B. built C. will build D. has built ( )4. — I called you several times yesterday, but no one answered. — Sorry, I was out. I will ______ you as soon as possible. A. bring back B. call back C. talk back D. track back ( )5. — Jason, why is the saying "A greenhouse flower cannot stand wind and rain." meaningful? —Because it tells us ______. A. where we can keep plants away from harm B. why do gardeners dislike bad weather C. whether flowers grow better in a greenhouse D. how important it is to experience tests 五、选择恰当句子，补全短文。 Reporter: 1.________ Mr Li: Oh, it has changed so much! 2.________ Now, many of them come back to start their own businesses. Reporter: That’s amazing! Are there any other big changes? Ms Zhang: Yes! We used to grow crops by hand on small fields. 3.________ Reporter: The new roads and trains must have helped a lot! Mr Li: They really have! Our town is now a popular stop for weekend trips. 4.________We also sell them on online shops. Reporter: Have these changes made your lives better? Ms Zhang: Of course! We have new houses with running water. 5.________ Reporter: That’s wonderful! You’re making your hometown a better place together. A. Most young people used to leave for jobs in big cities. B. Our town also built a new school and a sports center last year. C. How has life changed in your hometown over the last 10 years? D. Now, we use modern machines on big farms. E. We sell local snacks and handmade things to visitors. 【拓展提升】 六、阅读理解。 Shenzhou-21 Crew Completes Record Space Mission Three Chinese astronauts of the Shenzhou-21 mission safely returned to Earth on May 29. They stayed on China's space station for 210 days, setting a new national record for the longest single space mission. During their stay, they finished many space experiments and three spacewalks. All three astronauts are in excellent health after the long journey. This successful mission marks great progress for China's manned space program and inspires more people to explore space. Robot Carnival Shines at World Intelligence Expo A wonderful robot carnival(嘉年华) took place at Tianjin Cultural Center during the 2026 World Intelligence Expo. It lasted four days and attracted lots of visitors.Nearly 300 robots of different kinds showed up here. People enjoyed amazing performances, such as robot dancing, boxing and calligraphy shows. There were also brilliant drone light shows.This activity clearly shows the rapid development of AI and robot technology. It not only brings great fun to people but also lets us learn more about smart technology. ________________________________________ Now AI is greatly helping China forecast(预报) sandstorms. Scientists have developed an advanced AI system. Compared with traditional ways, it works much faster and gives more exact results.It can finish long-term forecasts in just one minute and warn people early. With its help, people can get ready for sandstorms ahead of time and reduce risks to health and daily life. This technology fully shows China's progress in meteorology(气象学) and artificial intelligence. ( )1. In which section of the newspaper can we read the news? A. Sports B. Technology C. Lifestyle D. Environment ( )2. According to the first piece of news, we can infer that ______ A. The astronauts suffered poor health after the mission. B. No experiments were carried out in the space station. C. The mission broke the world record for space stay. D. The space mission has achieved great success. ( )3. At the Robot Carnival, people can ______. A. watch many great performances B. make robots with their own hands C. take part in robot boxing games D. learn to design new drones ( )4. The best heading for the third piece of news would be ______. A. How an advanced AI system works well B. Terrible sandstorms harm our daily life C. AI improves sandstorm forecasting well D. How to reduce sandstorm harm to life ( )5. What do the three pieces of news have in common? A. They all focus on space exploration projects. B. They reflect China's advances in modern technology. C. They mainly introduce different kinds of AI robots. D. They aim to remind people of natural disasters. 答案与解析 【基础过关】 一、根据括号内所给的汉语提示完成句子。 1. high-tech 2. greenhouse 3. highway 4. railway 5. socialist 6. e-payment 7. housing 8. digital 9. audio 10. track 二、根据汉语意思完成句子，每空一词。 1. used to 2. way we farm 3. tourist attraction 4. new socialist village 5. As a result 【能力强化】 三、用所给动词的适当形式填空。 1. driving 2. attraction 3. product 4. have improved 5. dirty 6. widely 7. has changed 8. crossing 9. greatly 10. standards 解析: 1. while引导时间状语从句，当从句主语与主句主语一致且从句含be动词时，可省略主语和be动词，保留“连词 + 现在分词”结构。完整表达为while (we are) driving，故填driving。 2. 形容词最高级the biggest后需接名词，attract的名词形式attraction意为“景点、吸引人的事物”，符合“苏州最大的景点”的语境。 3. 形容词local后需接名词，produce作动词意为“生产”，其名词形式product意为“产品”，此处指湖北的传统本地产品。 4. 时间状语since last year是现在完成时的标志，主语Our athletes为复数，因此用现在完成时have improved，表示“自去年以来运动员们已经提升了技能”。 5. 系动词be后需接形容词作表语，dirt是名词“污垢”，其形容词形式dirty意为“脏的”，符合“过去很多海域因塑料垃圾而脏乱”的语境。 6. 动词spread需用副词修饰，wide的副词形式widely意为“广泛地”，此处指中国传统文化被短视频广泛传播。 7. 时间状语over the last 20 years是现在完成时的标志，主语People's life为单数，故用has changed，表示“过去20年人们的生活发生了很大变化”。 8. 固定搭配have difficulty (in) doing sth.意为“做某事有困难”，因此cross需变为动名词形式crossing。 9. 动词raised需用副词修饰，great的副词形式greatly意为“大大地、极大地”，此处指文化旅游极大提升了古镇的人气。 10. living standard是固定搭配“生活水平”，句中谓语动词为keep（原形），说明主语是复数，故standard需变为复数形式standards。 四、选择填空。 1. C 2. A 3. D 4. B 5. D 解析: 1. 句意为“政府采取了许多有效措施来______农村地区的生活条件”。increase（增加）、promise（承诺）、prepare（准备）均不符合语境；improve（改善/提高）常与 living conditions（生活条件）搭配，意为“改善生活条件”，故选C。 2. 句意为“——努力和好想法是他巨大成功的______。——我完全同意，没有人能轻易成功。”product（产物/结果）符合语境，指成功是努力和好想法带来的结果；reason（原因）后通常接介词for而非of；sign（标志）、choice（选择）均不符合逻辑，故选A。 3. 时间状语 in the last five years（在过去五年里）是现在完成时的标志，强调从过去到现在的动作对现在造成的影响（学校现在看起来更漂亮）。现在完成时的结构为“have/has + 过去分词”，主语our school为单数，故用has built，选D。 4. 句意为“——我昨天给你打了好几次电话，但没人接。——抱歉，我出去了。我会尽快______你。”call back 是固定短语，意为“回电话”，符合语境；bring back（带回）、talk back（顶嘴）、track back（追溯）均不符合题意，故选B。 5. 谚语“A greenhouse flower cannot stand wind and rain.”的意思是“温室里的花朵经不起风雨”，比喻人缺乏磨炼，无法承受挫折。选项D“经历考验是多么重要”与谚语的寓意一致；A（如何保护植物不受伤害）、B（园丁为什么不喜欢坏天气）、C（花在温室里是否长得更好）都只停留在字面，未理解其深层含义，故选D。 五、选择恰当句子，补全短文。 1. C 2. A 3. D 4. E 5. B 解析: 1. Reporter 是提问者，Mr Li 的回答是“变化很大”，因此这里需要一个问句引出话题，C选项“How has life changed in your hometown over the last 10 years?”（过去十年家乡的生活发生了怎样的变化？）符合语境。 2. 后文提到“Now, many of them come back to start their own businesses”（现在很多人回来创业），说明过去的情况是相反的。A选项“Most young people used to leave for jobs in big cities.”（过去大多数年轻人去大城市打工）与后文形成对比，逻辑通顺。 3. 前文说“We used to grow crops by hand on small fields”（过去我们在小块田地里手工种庄稼），后文应描述现在的变化。D选项“Now, we use modern machines on big farms.”（现在我们在大农场用现代化机器）与过去的“手工”形成对比，符合语境。 4. 前文提到“Our town is now a popular stop for weekend trips”（我们镇现在是周末旅行的热门站点），后文说“We also sell them on online shops”（我们也在网店销售它们），说明这里应提到卖什么东西。E选项“We sell local snacks and handmade things to visitors.”（我们向游客售卖当地小吃和手工制品）承接前后文，逻辑连贯。 5. 前文说“We have new houses with running water”（我们有了带自来水的新房子），这里应继续描述生活条件的改善。B选项“Our town also built a new school and a sports center last year.”（我们镇去年还建了新学校和体育中心）属于家乡设施改善的内容，符合语境。 【拓展提升】 六、阅读理解。 1. B 2. D 3. A 4. C 5. B 解析: 1. 三篇新闻分别介绍了神舟21号航天任务、智能机器人嘉年华、AI助力沙尘暴预报，都属于科技领域的新闻，因此会出现在报纸的TECHNOLOGY（科技）版块。A（SPORTS 体育）、C（LIFESTYLE 生活方式）、D（ENVIRONMENT 环境）均不符合整体主题。因此选B。 2. 文中提到“All three astronauts are in excellent health... This successful mission marks great progress for China's manned space program”，说明这次任务取得了巨大成功。A错误：原文明确说宇航员健康状况良好； B错误：他们完成了许多太空实验；C错误：文中是“new national record（国家纪录）”，不是世界纪录； D正确：任务圆满成功，标志着中国载人航天事业的重大进步。因此选D。 3. 文中提到“People enjoyed amazing performances, such as robot dancing, boxing and calligraphy shows. There were also brilliant drone light shows.”，说明人们可以观看多种精彩表演。A正确：观看许多精彩表演，与原文描述一致；B错误：文中未提到“亲手制作机器人”；C错误：人们只是观看机器人拳击表演，不是亲自参加比赛；D错误：文中没有提到学习设计无人机。因此选A。 4. 第三篇新闻的核心是“AI helps China forecast sandstorms”，介绍了AI系统让沙尘暴预报更快、更精准。A只强调系统工作方式，未点明核心作用；B只讲沙尘暴危害，偏离主题；C（AI improves sandstorm forecasting well）精准概括了“AI提升沙尘暴预报能力”的核心；D只讲如何减少危害，未突出AI的作用。因此选C。 5. 三篇新闻分别体现了中国在航天、人工智能、机器人技术、气象科技等领域的进步，共同点是反映了中国现代科技的发展。A错误：只有第一篇和航天有关；B正确：三篇都展示了中国在不同科技领域的成就；C错误：只有第二篇提到机器人；D错误：只有第三篇涉及自然灾害相关内容。因此选B。 学科网（北京）股份有限公司 $