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1、精选优质文档-倾情为你奉上Unit8知识梳理【重点短语】1. natural disaster 自然灾害2. start to do sth开始做某事3. thousands of 成千上万的4. wash away 冲走5. car accident 汽车事故6. fall from 从掉下7. hear about 听说8. catch fire 着火9. in fear 惊恐地10. in all directions 四面八方11. come down 坍塌12. say to oneself 自言自语13. find ones way out 找到出路14. not . at all
2、 一点也不15. break down 出故障16. as soon as possible 尽快17. on fire 着火18. protect/keep . from 保护免受19. traffic rules 交通规则20. traffic accidents 交通事故21. share . with 与分享22. fall over 跌倒【重点句型】1. I was sleeping when itstarted torain.天开始下雨时，我正在睡觉。2. Who willmop upthe water if I go home without you?要是我不带你回家，谁把水拖干
3、净呢？3. There was a heavy storm withthunderand lightning.有一场伴有雷鸣和闪电的暴风雨。4. Itired my best torun out too, but I could not.我也尽我最大的努力往外跑，但是我跑不出去。5. Outside, people were runningin all directionswhilepieces of glass and brickswere falling down.外面，人们正在向四面八方跑的时候，玻璃碎片和砖块正在掉落。6.A moment of fearwent through my
4、mind, but I told myself tocalm downsince I was still alive.我的脑中掠过一阵恐惧，但我告诉自己要冷静，因为我还活着。7. Sandy, I saw you and your parents standingon the side of the road.桑迪，我看见你和你父母站在马路边。8. What should we do if our building ison fire?如果我们的房子着火了，我们该怎么办？9. People were trying toclearthe snowfromthe streets.人们在努力清除街上
5、的积雪。10. My parents could not get home that nightbecause ofthe heavy snow, so Millieaskedmetogo to her home.那晚由于大雪，我父母无法回家，于是米莉让我去她家。【重点语法】1. 动词的过去进行时过去进行时用来表示过去某一时刻正在进行的动作或过去某一阶段一直在进行的动作。肯定结构是由“was/were +现在分词”构成；否定结构是由“was/were + not +现在分词”构成。例题1 _ the doctor _ (watch) TV at that time? No, he _ (sea
6、rch) for some useful information on the Internet.答案：Was; watching; was searching例题2Jim _ (not play) football in the playground at four yesterday afternoon.答案：wasnt playing*注：有些动词通常不用于进行时，如表1所示：表1：通常不用进行时的四类动词2. when、while、as、when、while、as均可用作连词，引导时间状语从句。区别用法如下：1)指一段时间时，when、while和as都可用；指一点时间时，只能用whe
7、n或as；2)when引导的从句的谓语动作可以在主句谓语动作之前、之后或同时发生；while和as引导的从句的谓语动作必须是和主句谓语动作同时发生；3)当主、从句动作同时发生且从句动作为延续性动词时，when、while和as都可使用；4)强调两个动作同时进行，常用“过去进行时+ while +过去进行时”结构；5)强调某个动作发生的时候，另一个动作正在进行，常用“一般过去时+ while +过去进行时”结构；6)强调某个动作发生的时候，另一个动作突然发生，常用“过去进行时+ when +一般过去时”结构；7)as有“随着”，“一边，一边”之意。例题根据句意，选用when、while或as填空
8、，使句子完整、通顺（有的空答案不唯一）。1. We were watching TV _ she came in.2. _ the day went on, the weather got worse.3. The singer waved to us _ she was singing the song.4. My mother was cooking _ my father was watching TV at this time yesterday.5. _ Jim was sleeping, the telephone rang.6. The little girls sang _ they played.答案：1. when2. As3. while/when/as4. while/when/as5. While/When/As6. as专心-专注-专业
