Unit5知识点-Section A 3a-3d练习 2026-2027学年人教版九年级英语上册

九年级英语上册Unit5知识点-Section A 3a-3d练习 小试牛刀 A. 选用方框中的短语填空（每个限用一次） was invented was spread was sent had a big effect on developed the idea 1. The radio ____________________ in the 1890s by Guglielmo Marconi. 2. Before the radio, news ____________________ very slowly. 3. In 1901, a radio message ____________________ across the Atlantic Ocean for the first time. 4. The radio ____________________ music because it made it easier to enjoy songs from around the world. 5. Marconi ____________________ of using radio waves for communication. B. 句型转换（改为一般疑问句并作肯定或否定回答） 1. The radio was invented in the 1890s. 一般疑问句：_________________________________________________ 肯定回答：_________________ 否定回答：_________________ 2. Marconi was an Italian inventor. 一般疑问句：_________________________________________________ 肯定回答：_________________ 否定回答：_________________ 3. The radio made the world much smaller. 一般疑问句：_________________________________________________ 肯定回答：_________________ 否定回答：_________________ 配套练习 A. 单项选择（★） 从A、B、C、D中选择最佳答案。 1. Who invented the radio? A. Thomas Edison B. Guglielmo Marconi C. Alexander Bell D. Isaac Newton 2. When was the first radio message sent across the Atlantic Ocean? A. 1890 B. 1895 C. 1901 D. 1910 3. What does Peter think is the most useful invention of all time? A. The telephone B. The TV C. The radio D. The computer 4. How did the radio affect music? A. It made people play more instruments. B. It made it easier to enjoy music from artists around the world. C. It stopped people from listening to music. D. It invented new kinds of music. 5. The sentence “The world was made much smaller by the radio” means ______. A. the world became smaller in size B. information could travel faster, connecting people quickly C. people stopped travelling D. the radio made the world disappear B. 完成句子（★★） 根据对话内容，用正确的词汇完成句子。 1. 在收音机发明之前，信息传播得很慢。 Before the radio ____________, information ____________ very slowly. 2. 收音机使世界变得小多了。 The world ____________ made much ____________ by the radio. 3. 消息可以在几秒钟内传遍全球。 News could be ____________ around the world in ____________. 4. 一位名叫古列尔莫·马可尼的意大利发明家发展了无线电的想法。 An Italian inventor ____________ Guglielmo Marconi ____________ the idea. 5. 收音机对音乐也有很大的影响。 The radio also ____________ a big ____________ on music. 拓展思考 写一段话（至少5句）介绍你认为最重要的一项发明（可以是收音机、电话、电脑、互联网等）。说明它的发明者、发明时间，以及它如何改变了人们的生活。使用 was invented / can / because 等表达。 _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ 参考答案与解析 小试牛刀 A 1. was invented 2. was spread 3. was sent 4. had a big effect on 5. developed the idea 小试牛刀 B 1. Was the radio invented in the 1890s? Yes, it was. / No, it wasn’t. 2. Was Marconi an Italian inventor? Yes, he was. / No, he wasn’t. 3. Did the radio make the world much smaller? Yes, it did. / No, it didn’t. 配套练习 A 1. B 2. C 3. C 4. B 5. B 配套练习 B 1. was invented, travelled 2. was, smaller 3. spread, seconds 4. called, developed 5. had, effect 拓展思考（示例） I think the most useful invention is the radio. It was invented by Guglielmo Marconi in the 1890s. Before the radio, news travelled very slowly, and people could not listen to music from far away. The radio made it possible to share information almost instantly. It also helped develop other inventions like the television and mobile phones. Because of the radio, the world feels much smaller and more connected. I believe it is truly a great invention. 1 学科网（北京）股份有限公司 $