Unit 2 知识清单-2024-2025学年人教版（五四学制）英语九年级全册

Unit 2 When was it invented? 知识清单 一、重点单词 1. invent（v.）：发明；创造 2. invention（n.）：发明；发明物 3. inventor（n.）：发明家 4. scoop（n.）：勺；铲子 5. adjustable（adj.）：可调节的 6. heel（n.）：鞋跟；足跟 7. battery（n.）：电池 8. operate（v.）：操作；运转；经营 9. style（n.）：样式；款式 10. project（n.）：项目；工程 11. pleasure（n.）：高兴；愉快 12. daily（adj.）：每日的；日常的（adv.）：每天 13. website（n.）：网站 14. pioneer（n.）：先锋；先驱 15. list（v.）：列表；列清单（n.）：名单；清单 16. mention（v.）：提到；说到 17. ruler（n.）：统治者；支配者；尺子 18. boil（v.）：煮沸；烧开 19. remain（v.）：保持；剩余；遗留 20. smell（n.）：气味（v.）：闻；嗅；发出……气味（过去式smelled/smelt，过去分词smelled/smelt） 21. saint（n.）：圣人；圣徒 22. national（adj.）：国家的；民族的 23. trade（n.）：贸易；交易（v.）：做买卖；从事贸易 24. doubt（n.）：疑惑；疑问（v.）：怀疑 25. fridge（n.）：冰箱 26. low（adj.）：低的；矮的 27. somebody（pron.）：某人；有人 28. nearly（adv.）：几乎；差不多 29. popularity（n.）：受欢迎；普及 30. worldwide（adj.）：世界范围的；世界性的（adv.）：在世界各地 31. hero（n.）：英雄；男主角（复数形式为heroes） 32. professional（adj.）：职业的；专业的（n.）：专业人员 二、词形变换 1. invent（名词）：invention（发明；发明物）；inventor（发明家） 2. operate（名词）：operation（操作；运转；手术）；operator（操作员；接线员） 3. daily（名词）：day（天；日子） 4. smell（形容词）：smelly（有臭味的；发出难闻气味的） 5. nation（形容词）：national（国家的；民族的）；nationality（国籍） 6. popular（名词）：popularity（受欢迎；普及） 7. hero（复数形式）：heroes 8. profession（形容词）：professional（职业的；专业的） 9. low（反义词）：high（高的） 10. doubt（形容词）：doubtful（怀疑的；可疑的） 三、重点词组 1. be invented by：被……发明 2. in 1876：在1876年 3. be used for：被用于…… 4. have a point：有道理 5. by accident：偶然；意外地 6. over an open fire：在篝火上 7. fall into：落入；陷入 8. in the 19th century：在19世纪 9. take place：发生；出现 10. without doubt：毫无疑问；的确 11. at a low price：以低价 12. all of a sudden：突然；猛地 13. divide...into...：把……分成…… 14. look up to：钦佩；仰慕 15. the Olympics：奥运会 16. not only...but also...：不但……而且…… 17. more than：超过；多于 18. at the same time：同时 19. dream of：梦想；梦见 20. come true：实现；成为现实 四、重点句型 1. When was...invented?：……是什么时候发明的？（回答用It was invented + 时间。） 2. Who was it invented by?：它是被谁发明的？（回答用It was invented by...） 3. What is it used for?：它是用来做什么的？（回答用It's used for +动词 - ing形式。） 4. It is said that...：据说……（类似结构还有It is reported that...据报道……；It is believed that...人们相信……） 5. No matter what/who/where/when...：无论什么/谁/哪里/什么时候……（引导让步状语从句，相当于Whatever/Whoever/Wherever/Whenever...） 6. The + 比较级，the + 比较级：越……，就越……（例如：The more you read, the more you know. 你读得越多，知道的就越多。） 7. It seems that...：似乎……；好像……（可与Sb./Sth. seems to do sth.进行转换，例如：It seems that he is happy. = He seems to be happy. 他似乎很开心。） 五、单元话题范文背记 范文1：The Invention of the Internet The Internet is one of the most important inventions in the world. It was invented in the 1960s. At first, it was only used by the government and big companies. But now, it has become a part of our daily lives. We can use the Internet to do many things. We can search for information, chat with friends, do shopping, and even study online. It makes our lives more convenient and interesting. However, the Internet also has some problems. There is a lot of false information on it, and sometimes it can be a waste of time. We should use the Internet properly and make good use of it. 范文2：My Favorite Invention - The Mobile Phone My favorite invention is the mobile phone. It was invented in the 1970s. Since then, it has developed rapidly. The mobile phone is very useful. We can make phone calls, send messages, and use various apps on it. With a mobile phone, we can keep in touch with others no matter where we are. It also helps us a lot in our study and work. For example, we can use it to look up words, read e - books, and attend online meetings. In my opinion, the mobile phone has changed our lives greatly. But we should also pay attention to using it in a proper way, such as not using it too much before going to bed. 范文3：The Invention of Basketball Basketball is a very popular sport around the world. It was invented by James Naismith in 1891. At that time, Naismith was a P.E. teacher. He wanted to create a new game that could be played indoors during the cold winter. So he came up with the idea of basketball. He divided the players into two teams and asked them to throw a ball into a basket. Now, basketball has become a professional sport. Many people love playing basketball and watching basketball games. It not only helps people keep fit but also brings people a lot of fun. 学科网（北京）股份有限公司 $$