Unit 5 Power of Ideas Section A(3a-3d) 同步分层作业 2026-2027学年人教版初中英语九年级上册

Unit 5 Power of Ideas Section A（3a-3d）分层作业 建议用时：25分钟 一、单词汉译英（Unit 5 Section A 3a-3d 单词表：最有用的发明） 1. 收音机 ____________ 2. 信息 ____________ 3. 传播 ____________ 4. 距离 ____________ 5. 研发 ____________ 6. 影响 ____________ 7. 消息 ____________ 8. 信号 ____________ 9. 意大利的 ____________ 10. 发明家 ____________ 11. 世纪 ____________ 12. 海洋 ____________ 二、短语汉译英（教材原短语） 1. 有史以来 ____________ 2. 在几秒钟内 ____________ 3. 横跨大西洋 ____________ 4. 对……有巨大影响 ____________ 5. 第一次 ____________ 6. 全世界 ____________ 7. 因为 ____________ 8. 使某人更容易做某事 ____________ 三、词形变换 1. invent → ____________(名词，发明家) 2. Italy → ____________(形容词，意大利的) 3. develop → ____________(名词，发展) 4. inform → ____________(名词，信息) 5. distance → ____________(形容词，遥远的) 一、单句填空 1. Before the radio ____________ (invent), information travelled very slowly. 2. The world was ____________ (make) much smaller by the radio. 3. News could ____________ (spread) around the world in seconds. 4. In 1901, a radio message ____________ (send) across the Atlantic Ocean. 5. The radio made it much ____________ (easy) for people to enjoy music. 二、根据汉语意思完成句子（每空一词） 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. 收音机让世界变小了。 The world was ____________ ____________ ____________ the radio. 3. 新闻能在几秒钟内传遍全世界。 News could be ____________ ____________ the world in seconds. 4. 他在19世纪90年代提出了这个构想。 He ____________ the idea in the 1890s. 5. 收音机对音乐产生了巨大影响。 The radio ____________ ____________ ____________ ____________ on music. 三、句型转换 1. Marconi invented the radio.（改为被动语态）The radio ____________ ____________ by Marconi. 2. The radio made the world much smaller.（改为被动语态）The world ____________ ____________ much smaller by the radio. 3. Peter thinks the radio is the most useful invention.（对画线部分提问）____________ ____________ Peter ____________ is the most useful invention? 4. The radio had a big effect on music.（改为同义句）The radio ____________ music ____________. 5. The radio was a very great invention.（改为感叹句）____________ ____________ great invention the radio was! 四、选词填空（单元词汇） 【radio, inventor, spread, distance, effect】 1. The ____________ was invented by an Italian inventor. 2. Marconi was a famous ____________. 3. News can ____________ around the world in seconds. 4. In 1901, the message travelled a long ____________. 5. The invention had a big ____________ on people’s life. 五、情景补全对话（5个空，6个选项，1项多余） A. What do you think is the most useful invention B. Who was the inventor C. When was it invented D. Did it travel a long way E. That was quite a distance F. Do you like the radio A: Peter, 1.____________B: I think it has to be the radio.A: The radio? Why?B: Before it was invented, information travelled very slowly.A: I see. 2.____________B: An Italian inventor called Marconi.A: 3.____________B: In the 1890s.A: 4.____________B: Yes. In 1901, a message was sent across the Atlantic Ocean.A: 5.____________B: Yeah, it was a very long way at that time. 拓展阅读（课内同源 + 课外同源） Passage1（课内同源：最有用的一项发明） 　　Fu Xing asked Peter what he thought was the most useful invention of all time. Peter said it had to be the radio. Before the radio was invented, information travelled very slowly. The world was made much smaller by the radio, because news could be spread around the world in seconds. The inventor was an Italian called Guglielmo Marconi. He developed the idea in the 1890s, and in 1901 a radio message was sent across the Atlantic Ocean for the first time. The radio also had a big effect on music, and it made it much easier for people to enjoy music from artists around the world. 任务一：单项选择 1.What did Peter think was the most useful invention? A.The radio. B.The television. C.The camera. D.The computer. 2.Who invented the radio? A.An Italian inventor called Marconi. B.A Chinese scientist. C.An American engineer. D.A British doctor. 任务二：判断正误(T/F) 3.Before the radio was invented, information travelled very slowly. (　　) 4.The radio had no effect on music. (　　) 任务三：简答 5.What happened in 1901 according to the passage? _______________________________________________________________________________ Passage2（课外同源：电视机的发明） 　　The television is another invention that changed the world. It was invented in the 1920s by a Scottish engineer called John Logie Baird. Before the television, people could only listen to the radio or read newspapers for news. With the television, they could see pictures and hear sounds at the same time. The television was soon found in millions of homes. It has changed the way people learn about the world, and it has also brought the world closer together. Today, television programmes are watched all over the world. 任务一：单项选择 1.Who invented the television? A.A Scottish engineer. B.An Italian inventor. C.A Chinese scientist. D.A French artist. 2.What could people do with the television? A.See pictures and hear sounds at the same time. B.Only listen to the radio. C.Only read newspapers. D.Send messages quickly. 任务二：判断正误(T/F) 3.The television was invented in the 1920s. (　　) 4.The television brought the world further apart. (　　) 任务三：简答 5.Where are television programmes watched today? _______________________________________________________________________________ 任务四：单元微写作 以“The Most Useful Invention in My Opinion”为题，介绍你认为最有用的发明，不少于6句话，请使用 I think ... / Before it was invented, ... 与 It was invented by ... 句式。 _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ 参考答案 夯实基础 一、单词汉译英 1.radio 2.information 3.spread 4.distance 5.develop 6.effect 7.message 8.signal 9.Italian 10.inventor 11.century 12.ocean 二、短语汉译英 1.of all time 2.in seconds 3.across the Atlantic Ocean 4.have a big effect on 5.for the first time 6.around the world 7.because of 8.make it easier for sb to do 三、词形变换 1.inventor 2.Italian 3.development 4.information 5.distant 能力进阶 一、单句填空 1.was invented 2.made 3.be spread 4.was sent 5.easier 二、根据汉语意思完成句子 1.of all time 2.made smaller by 3.spread around 4.developed 5.had a big effect 三、句型转换 1.was invented 2.was made 3.What; does; think 4.affected; greatly 5.What a 四、选词填空 1.radio 2.inventor 3.spread 4.distance 5.effect 五、情景补全对话 答案：1.A 2.B 3.C 4.D 5.E；多余项：F 拓展提高 Passage1 任务一：1.A 2.A 任务二：3.T 4.F 任务三简答：5.In 1901, a radio message was sent across the Atlantic Ocean for the first time. Passage2 任务一：1.A 2.A 任务二：3.T 4.F 任务三简答：5.They are watched all over the world. 任务四范文：I think the mobile phone is the most useful invention. It was invented in 1973. Before it was invented, people had to write letters or use public phones to keep in touch. Now we can send messages, take photos and pay for things with a mobile phone. It is used by people all over the world. I think it has made our life much easier and more convenient. 学科网（北京）股份有限公司 $