人教新目标九年级Unit 9 When was it invented.doc

Unit 9 When was it invented ? Section A 1. invent v. 发明 inventor n. 发明家 invention n. 发明 invent sth.? 发明某物 be(was/were)invented by sb.??被发明 the most helpful invention????最有用的发明 ⑴ Edison ＿＿＿ 1093 things in his life. ⑵ Edison was a great ＿＿＿. ⑶ Edison had 1093 ＿＿＿. . in 1891?在1891年 ? in the 1891s?在19世纪90年代 . be used for doing用来做…(是被动语态) Pens are used for writing. 笔是用来写的。 Pens aren’t used for eating. 笔不是用来吃的。 be used for doing=be used to do sth?用来做某事 被…使用 English is used by travelers and businessmen all over the world.英语被全世界的旅游者和商人使用. be used as … 被当作…使用 English is used/spoken as a second language. 英语被当作第二语言来讲. The table is used as a table. used to?过去常常 be used to doing sth??习惯做某事 use up???用光 ?? the use of sth????...的用途 . see in the dark 照明 5. useful/helpful inventions 有用的发明 the most useful/helpful inventions 最有用的发明 the second most helpful/useful 第二有用的发明 annoying inventions 恼人的发明 annoying (物) annoyed (人) . give sb. sth. = give sth. to sb. 给某人某物 He gave me a book.=He gave a book to me. (主动) I was given a book (by him). A book was given to me (by him). My mother bought me a bike. (主动) I was bought a bike (by my mother). A bike was bought for me (by my mother). 7. all day = the whole day整天 ．I’s better/best (not) to do sth. = It’s better that 从句 最好(别)做某事 相当于:had better (not) do sth. It’s better for you to answer my questions first. = It’s better that you should answer my questions first.你最好先回答我的问题。 Section B 1. sprinkle … on …?…with…?把…撒在...上面Sprinkle some water on the floor. = Sprinkle the floor with some water. . salty adj. 咸的 salt n. 盐； 2. by mistake?错误do sth. by mistake?错误做某事sth. by accident 偶然地做某事 ? make mistakes in sth.??在某方面犯错误 I took the umbrella by mistake. 我不小心拿错了雨伞3. in the end = at last 最后, 终于 at the end of … 在…的末尾/结尾/尽头 4. by accident= by chance??偶然地意外地 I met her by accident at bus stop.我站意外地见到了她。 5. not…until… 直到…才… I didn’t go to bed until I finished my work.我直到完成我的工作才去睡觉6. according to +名词 根