1、一合作探究：1. blow up：阅读下列句子，注意blow up 的意思及用法：A chemical factory blew up in the North of English.The terrorists blew up the police station.My father blew up because I didnt come home last night.Stop at the gas station and well blow up the tyres(轮胎).自我归纳：通过观察以上句子，我们发现blow up的意思是: _ _. 2. turn to: 阅读下列句子，注
2、意turn to 的意思及用法We have to turn to some bigger companies for technical help.We now turn to these important questions.自我归纳: 通过观察以上句子，我们发现turn to的意思是: .思维拓展：根据汉语，写出与turn有关的短语_背叛 _（音量）关小；拒绝 _上交 _使成为_关掉 _打开（水，煤气，电灯）_打翻 _开大；出现 _轮流，交替 _依次，轮流 _证明是，结果是3. only then did we decide to answer violence with violen
3、ce.Only修饰的 _ 等放在句首时，主句要用 . 句式仿写：直到那时她才意识到她犯了错。 . 4. vote: 阅读下列句子，注意vote 的意思及用法 Now we will vote on this problem. Most of us vote for/against the plan. The whole nation will vote to elect the new president tomorrow. There are 402votes for Mr. Williams, and 372 against. We couldnt decide who should be
4、 given the prize, so we had to take a vote on it. 自我归纳: 通过观察以上句子，我们发现turn to的意思是自我归纳: 通过观察以上句子，我们发现vote可用作 词，意思是 ，还可以用作 词，意思是 。构成的短语有：vote for vote against vote through vote sth. down put sth. to the vote 二补充练习：1.按要求变下列句子:You can learn from you mistake only in this way. 变成倒装句- Only in this way _ _ _
5、 from your mistake.I knew an accident happened to him only when he told me about it. 变成倒装句-Only when he told me about it _ _ _ an accident happened to him.Qian Xuesen devoted all his life to the space cause of China.改成同义句 Qian Xuesen _ _ _ the space cause of China.I thought he was right, but in fact
6、 he was wrong. 改成同义句 I thought he was right, but _ _ _ _ _ he was wrong.2. 单项选择：Only after school _ a chance to watch TV.A. do we have B. we had C. we have D. have we hadOnly by imagining and creating _ the problem.A. can solve B. you can solve C. solve D. can you solveThat professor has _ all his l
7、ife and energy _ the experiment. A. devoted; to do B. devoted; to doing The company closed down two months ago, and a lot of workers have been _. A. at work B. going to work C. out of work D. lost their jobs-Would you like some cakes? -Well, Id like to have a few. _, I have already have my dinner. A
8、. As far as B. As though C. As a result D. As a matter of factTom is equal _ John _ height. That is to say, they are _ equal height. A. with; in; to B. to; in; with C. to; in; for D. in; in; with Nothing can _ planes in speed and comfort. A. equal B. equal to C. match with D. be equal When his business failed, he _. A. turned to farm B. turned to farming C. turned in farm D. turned in farming As we all know, in the old days women had no right _. A. vote B. vote for C. vote on D. to vote As they cant judge who will be the winner, so they had to vote _ it. A. on B. for C. against D. down