广州九年级英语单元知识点：Unit 9

　　重点词组

　　1. be used for 用来做…… 2. be invented by 由(某人)发明

　　3. light bulb 电灯泡 4. microwave oven 微波炉

　　5. by mistake 错误地 6. in the end 最终;最后

　　7. salty enough 足够咸 8. by accident 偶然;意外

　　9. not…until… 直到……才…… 10. according to 根据;按照

　　11. fall into 落入;陷入 12. in this way 这样

　　13. flying disk 飞碟 14. knock into 撞上(某人)

　　15. fall down 倒下;摔倒 16. divide…into… 把……分成……

　　重点句型

　　1. Who was the telephone invented by? It was invented by Bell. 电话是谁发明的? 电话是贝尔发明的。

　　2. When were electric slippers invented? They were invented last year.

　　电拖鞋是什么时候被发明的? 它们是去年被发明的。

　　3. What are they used for? 它们是用来做什么的?

　　4. They are used for seeing in the dark.它们是用来在黑暗中看东西的。

　　5. Tea wasn’t brought to the Western world until 1610.直到1610年茶才被带到西方世界。

　　6. I prefer lemons to oranges. I like the sour taste. 我喜欢柠檬胜过橙子。我喜欢酸味。

　　Unit 10 By the time I got outside, the bus had already left