初三unit4topic2复习

初三unit4topic2复习内容摘要：

警告，告诫 warn+ that 从句 warn sb not to do sth 警告某人不要做某事 a contribution/contributions to 意为 “为 …… 做共享” These scientists have made great contributions to our space industry. 这些科学家为我国的航天工业做出了巨大共享。 We should make contributions to protecting our environment. 我们应该为保护环境做出共享。 11.. work 奏效 , 起作用 , 产生影响 The medicine worked well. 药物奏效了。 The plan works well. 这项计划执行得好。 work out 计算 , 算出 work out a maths problem 算出一道数学题。 work on/upon从事，忙于 They‟re working on their homework. 他们在忙着做作业。 long as 只要 You can go out to play as long as you stay in the backyard. 只要你不出后院，你可以到室外玩。 as long as 放在时间段前意为“长达”相当于“ for” I have taught English as long as/for nine years. 我已经教九年英语了。 Practise 老板不允许我使用电话。 My boss doesn‟t me the telephone.。 I I could space some day . ，科学家们已经克隆了兔子、羊、牛、老鼠、 猪及其它的一些动物。 . scientists rabbits ,sheep, cows ,mice ,pigs and some other animals. ，但是大多数人认为机器人将会成为 我们生活中不可缺少的一部分。 No one , but most people think, that robots will be part of our lives.。 The English Learning Machine is very ___ ___us to learn English. allow to use wish go into So far ,have cloned knows for certain useful for 用括号内所给单词的适当形式填空。 1： Thomas Edison is a famous ______. He _______ many things in his life. One of the _________is light bulb. Do you know when it was _______? (invent ) 2:Dolly , the ______(clone) sheep was______(creat) a few years ago. Choose the best answer （ ） 1:do you know the story of Liu Sanjie? of course .The story __hundreds__ years ago. A was happened ,of B happened ,of C was happened, / ( ) 2 :I didn‟t go to my best friend‟s party because I____ A wasn‟t invited B haven‟t invented C didn‟t invented ( ) 3 :When ___the hospital ____? –Around 1995 A does。