Unit 6 When was it invented 重点词汇、短语、固定搭配、句型、语法总结及巩固练习2025-2026学年人教版（2012）英语九年级全册

Unit 6 When was it invented? 重点知识梳理及巩固练习 一、重点词汇 1. heel n. 鞋跟 2. scoop n. 勺 3. electricity n. 电 4. style n. 样式 5. pleasure n. 愉快 6. pioneer n. 先驱 7. ruler n. 统治者 8. trade n. 贸易 9. doubt n. 疑惑 10. fridge n. 冰箱 11. earthquake n. 地震 12. instrument n. 器械 13. customer n. 顾客 14. basket n. 篮 15. hero n. 英雄 16. invent v. 发明 17. mention v. 提到 18. boil v. 煮沸 19. remain v. 保持 20. smell v. 发出气味 21. divide v. 分开 22. lock v. 锁 23. ring v. 发出铃声 24. translate v. 翻译 25. daily adj. 日常的 26. accidental adj. 意外的 27. sudden adj. 突然的 28. national adj. 国家的 29. sour adj. 酸的 30. salty adj. 咸的 31. crispy adj. 脆的 32. nearly adv. 几乎 33. suddenly adv. 突然 二、重点短语及固定搭配 1. by accident 偶然 2. by mistake 错误地 3. without doubt 毫无疑问 4. all of a sudden 突然 5. take place 发生 6. fall into 落入 7. divide…into… 把……分成 8. look up to 钦佩 9. be used for 被用于 10. in our daily lives 在我们的日常生活中 11. my pleasure 我的荣幸 12. have a point 有道理 13. not…until… 直到……才 14. shoes with special heels 带特殊鞋跟的鞋 15. run on electricity 靠电运行 16. spread to other countries 传播到其他国家 17. at a low price 以低价 18. the style of ……的样式 三、重点句型 1. When was it invented? It was invented in 1893. 它是什么时候被发明的？它是在1893年被发明的。 2. Who was it invented by? It was invented by Whitcomb Judson. 它是被谁发明的？它是被惠特科姆·贾德森发明的。 3. What is it used for? It’s used for serving cold ice-cream. 它是用来做什么的？它是用来盛放冷饮冰淇淋的。 4. It is said that a Chinese ruler called Shen Nong was the first to discover tea as a drink. 据说有一位名叫神农的中国统治者最早发现了茶可以饮用。 5. Even though many know about tea culture, the Chinese are without doubt the best at understanding tea. 尽管很多人都了解茶文化，但中国人无疑是最懂茶的。 6. Basketball has not only become a popular sport to play, but also to watch. 篮球不仅成了一项适合参与的流行运动，也成了一项适合观看的运动。 四、重要语法知识点总结 核心语法：一般过去时的被动语态 1. 基本结构 主语 + was/were + 及物动词的过去分词（+ by 动作执行者） ·主语为单数或不可数名词时，用 was ·主语为复数时，用 were 2. 否定形式 主语 + wasn’t/weren’t + 及物动词的过去分词 3. 疑问形式 Was/Were + 主语 + 及物动词的过去分词？ 4. 主动语态变被动语态示例 主动：Bell invented the telephone in 1876. 被动：The telephone was invented by Bell in 1876. 5. 常见用法 ·强调动作的承受者，而非执行者 ·不知道或无需提及动作的执行者 ·说明物品的用途（可延伸至一般现在时被动语态） 6. 易错点提醒 ·不及物动词没有被动语态 ·by 后接动作执行者，时间、地点状语用 in/on/at 等介词 巩固练习 一、词汇过关（首字母填空，每小题1分，满分10分） 根据句意及首字母提示写出本单元单词，使句子完整通顺。 1. The shoes with special h______ can make people look taller. 2. Please use a s______ to get some ice-cream from the fridge. 3. Without d______, Qian Xuesen is a great pioneer of China's space industry. 4. The milk went s______ because it was left outside for the whole day. 5. It's a great p______ to work with such a hard-working team. 6. The t______ between China and other countries has developed rapidly these years. 7. These musical i______ are all made in Germany. 8. The old machine has r______ in the corner of the factory for many years. 9. The dish tastes a little s______, so you'd better add some sugar. 10. The clerk m______ my order, so I got the wrong food. 二、单项选择（每小题2分，满分20分） 从每题所给的A、B、C、D四个选项中，选出最佳选项。 （ ）1. —Do you know when the zipper ______? —Yes. It ______ in 1893. A. invented; was invented B. was invented; invented C. was invented; was invented D. invented; invented （ ）2. The knife ______ cutting things. It is a useful tool in our daily life. A. is used to B. is used for C. is used as D. used for （ ）3. —How did you find the secret of the machine? —I found it ______ when I was repairing it yesterday. A. by accident B. by mistake C. on purpose D. in person （ ）4. It is said ______ a Chinese ruler called Shen Nong was the first to discover tea as a drink. A. that B. what C. who D. which （ ）5. Basketball ______ by James Naismith. He ______ it in 1891. A. is invented; invents B. was invented; invented C. is invented; invented D. was invented; invents （ ）6. All of a sudden, a lion appeared and the tourists ______ ran away in fear. A. slowly B. angrily C. suddenly D. nearly （ ）7. —Many people look up to the sports stars. —I agree with you. They ______ good examples for us. A. take B. make C. do D. turn （ ）8. The cake is ______ into four equal parts, so everyone can get a piece. A. divided B. put C. taken D. brought （ ）9. —I think the new invention is very useful. —I ______ you. It has filled a gap in the market. A. argue with B. disagree with C. agree with D. fight with （ ）10. The story took place ______ a cold morning in 1920. A. in B. on C. at D. for 三、句型转换（每小题2分，满分10分） 按要求改写句子，每空一词。 1. They invented the first computer in 1946. (改为被动语态) The first computer ______ ______ by them in 1946. 2. The tea was brought to Japan by some businessmen. (对划线部分提问) ______ ______ the tea brought to Japan? 3. The machine is used for washing clothes. (对划线部分提问) ______ is the machine used ______? 4. It is said that he is a good doctor. (改为同义句) He ______ ______ ______ a good doctor. 5. People believe that the old man is a hero. (改为被动语态) ______ ______ ______ that the old man is a hero. 四、补全对话（每小题2分，满分10分） 根据对话内容，从方框内的7个选项中选出5个最佳选项补全对话，其中有两项多余。 A. And what is it used for? B. Who was it invented by? C. It is said that it was invented in 1893. D. Do you know when the zipper was invented? E. That sounds like a good idea. F. Is it used widely in our daily lives? G. I don't think so. A: Hi, Tom! Look at my new jacket. It has a new zipper. B: Wow, it looks cool. 1. ______ A: Sorry, I don't know. 2. ______ B: Yes, it is. We can see zippers on jackets, trousers, bags and many other things. A: 3. ______ B: It's used for fastening things together. It makes our life more convenient. A: I agree. Do you know who invented it? B: 4. ______ It was invented by an American called Whitcomb Judson. A: Oh, I see. Thanks for telling me so much. B: You're welcome. 5. ______ A: Maybe we can find more information about inventions online later. 五、短文填空（每小题1分，满分10分） 阅读下面短文，从方框中选择10个词并用其适当形式填空，使短文通顺、完整，每词限用一次，有两项多余。 invent, accident, use, sudden, pleasure, divide, national, customer, trade, remain, pioneer, style Tea is one of the most popular drinks in the world. It has a long history and is an important part of Chinese 1. ______ culture. Do you know how tea was discovered? It is said that tea was discovered by 2. ______ about 5,000 years ago. A Chinese ruler called Shen Nong was boiling water over an open fire. Some leaves from a nearby bush fell into the water and 3. ______ there for some time. Shen Nong noticed that the water produced a nice smell. Later, he tasted the water and found it very refreshing. In this way, tea was invented. Tea was first drunk as a medicine. Later, it became a popular drink. During the Tang Dynasty, tea 4. ______ began to be sent to other countries. At that time, tea was very expensive and only rich people could afford it. With the development of 5. ______, tea spread to more and more countries around the world. Today, tea is grown in many different areas and is loved by people all over the world. It is 6. ______ for both drinking and other purposes. For example, tea can be used to make cakes and candies. Tea is also a symbol of friendship. When guests come to our homes, it's our 7. ______ to serve them with tea. There are many kinds of tea in China. They are 8. ______ into green tea, black tea, oolong tea and so on. Each kind has its own special taste and 9. ______. No matter where you go, you can find people drinking tea. Tea has 10. ______ an important part of people's daily lives for thousands of years.   参考答案 一、词汇过关 1. heels 2. scoop 3. doubt 4. sour 5. pleasure 6. trade 7. instruments 8. remained 9. salty 10. mentioned 二、单项选择 1-5 CBABB 6-10 CBACB 三、句型转换 1. was invented 2. Who was 3. What; for 4. is said to be 5. It is believed 四、补全对话 1-5 DFAC E 五、短文填空 1. national 2. accident 3. remained 4. pioneers 5. trade 6. used 7. pleasure 8. divided 9. style 10. remained 学科网（北京）股份有限公司 $