Unit 5 Power of Ideas-Section A (3a-3c) 同步练 2026-2027学年人教版九年级英语上册

**基本信息** 本练习以收音机发明为主题，通过分层递进设计实现从词汇到语篇的知识巩固，培养语言能力与思维品质，适配新授课基础夯实与适度提升需求。 **分层设计** |层次|知识覆盖|设计特色| |----|----------|----------| |基础层|核心词汇、固定搭配、基础句型|单词/词组默写（如radio, inventor）、汉语提示填空，强化基础积累| |进阶层|语法应用（被动语态等）、语篇衔接|词形填空（如was invented）、短文语法填空，提升语言运用能力| |综合层|语篇理解、信息提取、综合表达|阅读还原、完形填空、阅读回答，培养逻辑思维与问题解决能力|

Unit 5 Power of Ideas Section A (3a-3c) 分层作业 · 收音机的发明 一、单词默写 1. /ˈreɪdiəʊ/ n. 收音机 ________ 2. /ɪnˈventə(r)/ n. 发明家 ________ 3. /ɪˈtæliən/ adj. 意大利的；n. 意大利人 ________ 4. /dɪˈveləp/ v. 发展；开发 ________ 5. /ˈætləntɪk/ adj. 大西洋的 ________ 6. /ˈdɪstəns/ n. 距离 ________ 7. /ˈɑːtɪst/ n. 艺术家 ________ 8. /ɪˈfektɪv/ adj. 有效的 ________ 二、词组默写 1. 一直以来 __________________________ 2. 在几秒钟内 __________________________ 3. 被传播到 __________________________ 4. 发展这个想法 __________________________ 5. 第一次 __________________________ 6. 在那个时候 __________________________ 7. 对……有重大影响 __________________________ 8. 使某人做某事更容易 __________________________ 9. 来自世界各地的艺术家 __________________________ 10. 跨越大西洋 __________________________ 三、汉语提示填空题 1. 你认为有史以来最有用的发明是什么？ What do you think is the most useful invention ________ ________ ________? 2. 在收音机被发明之前，信息传播得非常慢。 ________ the radio ________ ________, information travelled very slowly. 3. 收音机使世界变得更小。 The world ________ ________ much ________ by the radio. 4. 突然之间，新闻可以在几秒钟内传播到世界各地。 Suddenly, news could ________ ________ around the world ________ ________. 5. 一位名叫古列尔莫·马可尼的意大利发明家发明了它。 An Italian inventor ________ Guglielmo Marconi ________ it. 6. 他在19世纪90年代发展了这个想法。 He ________ the idea in the ________. 7. 1901年，一个无线电信息首次被发送穿越大西洋。 In 1901, a radio message ________ ________ ________ the Atlantic Ocean for the first time. 8. 因为收音机，其他一些重要的发明也被发展出来了。 ________ ________ the radio, some other important inventions were developed as well. 9. 收音机使人们更容易欣赏来自世界各地艺术家的音乐。 The radio ________ it much ________ for people to enjoy music from artists around the world. 10. 它也对音乐产生了很大的影响。 It also ________ a big ________ on music. 四、用括号内所给词的适当形式填空 1. The radio ________ (invent) by Guglielmo Marconi. 2. News ________ (spread) around the world in seconds now. 3. The idea ________ (develop) by him in the 1890s. 4. A radio message ________ (send) across the Atlantic in 1901. 5. Because of the radio, many other inventions ________ (develop) as well. 五、阅读短文，用括号内所给词的适当形式填空 The radio is considered one of the most important 1.______________ (invent) in history. It 2.______________ (invent) by an Italian scientist named Guglielmo Marconi. He 3.______________ (develop) the idea in the 1890s. Before the radio, information 4.______________ (travel) very slowly. People had to wait for days or even weeks to get news from faraway places. However, with the invention of the radio, news 5.______________ (spread) quickly across the world. The radio also greatly 6.______________ (influence) music. People could enjoy music from different countries without 7.______________ (leave) their homes. In addition, the radio led to the development of other inventions, such as the television. Today, although we have many modern ways 8.______________ (get) information, the radio is still widely 9.______________ (use) around the world. It 10.______________ (remain) an important part of our daily lives. 六、阅读还原 The History of the Radio The radio has changed the way we communicate. 1.______________ But its development took many years. In the late 19th century, many scientists were working on wireless communication. 2.______________ He sent the first radio signal across the Atlantic Ocean in 1901. This achievement amazed the world. After that, radios became more and more popular. 3.______________ People could listen to news, music, and even plays on the radio. It brought families together and connected people in ways that had never been possible before. Today, the radio has been replaced by television and the Internet in many ways. 4.______________ It is still used in cars, homes, and emergency situations. The radio’s influence can still be felt. 5.______________ It reminds us that great ideas can come from simple beginnings. A. But it is still an important part of our lives. B. Guglielmo Marconi was one of the pioneers. C. During the 1920s, the radio became a common household item. D. The radio was one of the most important inventions of the 20th century. E. It shows how a single invention can change the world. F. It was used for military purposes during the war. 七、阅读理解 Inventions That Changed the World Throughout history, many inventions have greatly changed our lives. The radio is one of them. Before the radio, people communicated mainly through letters and newspapers. Information traveled slowly. The radio made it possible to send and receive information instantly. Another important invention is the telephone, which was invented by Alexander Graham Bell in 1876. It allowed people to talk to each other over long distances. The television, invented later, combined sound and images, bringing entertainment and news into people’s homes. In the modern world, the Internet is perhaps the most powerful invention. It connects people around the globe and provides access to almost unlimited information. Social media, online education, and e-commerce are all made possible by the Internet. Despite these developments, the radio has not disappeared. It remains a reliable tool for communication, especially in remote areas and during emergencies. Its simplicity and low cost make it accessible to everyone. 1. Before the radio, how did people mainly communicate? A. Through telephones. B. Through letters and newspapers. C. Through the Internet. D. Through television. 2. Who invented the telephone? A. Guglielmo Marconi. B. Alexander Graham Bell. C. Thomas Edison. D. James Watt. 3. What invention combined sound and images? A. The radio. B. The telephone. C. The television. D. The computer. 4. Why does the radio remain popular today? A. Because it is very expensive. B. Because it is simple and low-cost. C. Because it has the best sound quality. D. Because it can send videos. 5. What is the main idea of this passage? A. The radio is the most important invention. B. Inventions have changed the way we communicate and live. C. The Internet is more useful than the radio. D. Old inventions are no longer useful. 八、完形填空 Have you ever thought about how the radio has influenced our lives? The radio is one of the most 1.______________ inventions. It was invented by Guglielmo Marconi, an Italian 2.______________. In the 1890s, he 3.______________ the idea of sending messages through the air without wires. In 1901, he 4.______________ in sending a radio signal across the Atlantic Ocean. Before the radio, news took a long time to 5.______________ from one place to another. People had to 6.______________ for days to get important information. The radio changed all that. News could now be 7.______________ almost instantly. This made the world seem much 8.______________. The radio also had a huge effect on 9.______________. For the first time, people could hear music from different cultures. It brought the world closer together. Today, the radio is still used by 10.______________ of people worldwide. It shows that even an old invention can remain important if it serves people’s needs. 1. A. expensive B. difficult C. useful D. dangerous 2. A. inventor B. artist C. writer D. musician 3. A. gave B. developed C. forgot D. refused 4. A. failed B. succeeded C. believed D. stopped 5. A. travel B. stay C. hide D. move 6. A. wait B. work C. study D. practice 7. A. written B. read C. spread D. spoken 8. A. smaller B. bigger C. busier D. slower 9. A. art B. music C. science D. sports 10. A. hundreds B. thousands C. millions D. billions 九、阅读回答 Read the conversation and answer the questions. Fu Xing and Peter are talking about the most useful invention. Peter believes the radio is the most useful because it made information travel faster and made the world smaller. The radio was invented by Guglielmo Marconi in the 1890s, and the first transatlantic message was sent in 1901. The radio also influenced other inventions like the television and made it easier for people to enjoy music from around the world. 1. According to Peter, what is the most useful invention of all time?  ______________________________________________ 2. How did the radio change the way information traveled?  ____________________________________________ 3. Who was the inventor of the radio, and when was it developed?  _______________________________________________________ 4. Besides communication, what other field did the radio influence according to the conversation? How? _____________________________________________________  5. What can we learn from the story of the radio? _________________________________________________  参考答案 一、单词默写 1. radio 2. inventor 3. Italian 4. develop 5. Atlantic 6. distance 7. artist 8. effective 二、词组默写 1. of all time 2. in seconds 3. be spread to 4. develop the idea 5. for the first time 6. at that time 7. have a big effect on 8. make it much easier for sb. to do sth. 9. artists around the world 10. across the Atlantic 三、汉语提示填空题 1. of all time 2. Before; was invented 3. was made; smaller 4. be spread; in seconds 5. called; invented 6. developed; 1890s 7. was sent across 8. Because of 9. made; easier 10. had; effect 四、用括号内所给词的适当形式填空 1. was invented 2. is spread 3. was developed 4. was sent 5. were developed 五、语法填空 1. inventions 2. was invented 3. developed 4. travelled 5. could be spread / was spread 6. influenced 7. leaving 8. to get 9. used 10. remains 六、阅读还原 1. D 2. B 3. C 4. A 5. E 七、阅读理解 1. B 2. B 3. C 4. B 5. B 八、完形填空 1. C 2. A 3. B 4. B 5. A 6. A 7. C 8. A 9. B 10. C 九、阅读回答 (示例) 1. The radio. 2. Before the radio, information travelled slowly. After the radio, news could be spread around the world in seconds, making the world smaller. 3. Guglielmo Marconi, an Italian inventor. He developed the idea in the 1890s. 4. It also influenced music. The radio made it much easier for people to enjoy music from artists around the world. 5. We can learn that a single invention can have a huge impact on the world, changing the way we communicate, learn, and enjoy life. It also shows that creative ideas can lead to many other developments. 学科网（北京）股份有限公司 $