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1、九年级下册Unit 4 Natural disasters单元总结及练习【必记单词】1) earthquake n.地震 2) flood n.（使）灌满水，淹没3) badly adv.严重地，厉害地 4) alive adj.活着，在世5) pool n.水坑，水塘 6) pass v.通过7) dead adj.（因为缺电）不运行的 8) stare v.盯着看，凝视，注视9) notice v.注意到，意识到 10) awake v.（使）醒来11) immediately adv.马上，即刻 12) missing adj.失踪的【短语归纳】1. natural disaster 自
2、然灾害 2. think of 想起，想到3. be interested in . 对.感兴趣 4. be worried about 担心5. dream about 梦见，梦到 6.such as 例如7. pass by 通过；经过8.stick with 持续，坚持9. worry about 担心 10.think about 考虑11. stare at 盯着看，凝视 12.in surprise 惊讶地13. for now 暂时 14.so.that. 如此.以至于.15. wait for 等候 16.pack up 收拾行李17. for example 例如 18.wr
3、ite down写下19. survival kit 救生包 20.in the end最后21. from.to. 例如 22.how far 多远23.pay attention to 注意，留心 24.fall down倒塌25.at once 立刻 26.as.as possible 尽可能.地27.wake up 醒来 28.in case of 假如29.stay away from. 远离.30.sit around 无所事事地消磨时间；闲坐31.fall on deaf ears 不被理睬，不被注意【用法集萃】1.start to do sth. 开始做某事2.have to
4、do sth.必须/不得不做某事3.try to do sth. 试图/尽力做某事4.it is/was adj. to do sth. 做某事是.的5.afford to do sth. 负担得起做某事6.have no time to do sth. 没有时间做某事7.it seems that +从句 似乎.8.want to do sth. 想要做某事9.stop doing sth. 停止做某事10.ask sb. to do sth. 让某人做某事11.be able to do sth. 能够做某事12.suggest doing sth. 建议做某事13.It takes (s
5、b.) some time to do sth.（某人）花费多少时间做某事14.make +宾语+形容词 使某人/某物.15.find sb.+doing sth. 发现某人正在做某事16.let sb. do sth. 让某人做某事17.adj./adv. enough to do sth 足够.可以做某事18.had better do sth. 最好做某事19.help sb. (to) do sth. 帮助某人做某事20.expect sb. to do sth. 期待某人做某事21.keep doing sth. 一直做某事【经典句型】1. Its important to stic
6、k with it.坚持工作很重要。2. I have no time to think about the flood.我没有时间考虑洪水。3. It took a long time to build the house.建这座房子花了很长时间。4. It seems that nobody is paying any attention to the flood.似乎没有人关注那场洪水。5. It is not a good idea to sit around and worry about the flood.闲坐着担心洪水不是一个好主意。【重点语法】it 作形式主语的用法代词it可
7、以用来代替一个名词、一个短语、一个句子，在句中作主语或宾语。本单元学习it作形式主语的几种情况。1. it作主语指时间、日期、天气、距离和气温等。Its nine oclock now. （指时间）It is much colder than it was yesterday. （指天气）It is about 5 kilometres from here to my home. （指距离）It is very hot in the classroom. （指气温）It is Sunday today. （指日期）2. It作形式主语代替动词不定式，常用于以下句型中：(1) it is/was
8、 adj. (of/for) sb. to do sth.当表语是与事物的特征有关的形容词时，如easy, difficult, hard, important,necessary等，用介词for.It is difficult for Lucy to learn physics.It is interesting for us to play badminton.当表语是描述人的性格、品质的形容词时，如kind, nice, polite, clever, foolish, stupid等，用介词of.It is kind of you to help me.It is clever of
9、the little child to work out such a difficult math problem.(2) it takes/took sb. some time to do sth.It takes him an hour to do his homework every day.(3) it is/was n. to do sth.It is great fun to have a party here.It was a great pleasure to work with you.3.it作形式主语还常用于句型 “it seems/appears that +从句”，
10、表示 “似乎/好像/看来.”It seems that he knows everything.It appears that we are wrong.单元练习一、根据句意及首字母或汉语提示完成单词。1. The old man is d_. He cant hear anything.2. My dog is m_. Can you help me find it?3. All of them are _（注视）at the computer screen.4. We dont know whether hes _（活着）or dead.5. The road was so narrow（
11、狭窄）that cars were unable to _（通过）.二、用所给单词的适当形式填空1. This was the worst _(nature) disaster in the history of the United States.2. Look! There are two _(coach) in front of our school.3. Some countries would be _(flood) if sea level around the world rose.4. I have no time _(think) about these questions.
12、5. Mary suggested _(go) there by bus and I agreed.三、单项选择1. -_ is it from here to the railway station?-About ten kilometres.A.How far B.How fast C.How soon D.How often2. Mary feels unhappy because nobody seems to _ her progress.A.notice B.look C.watch D.read3. What _ it is!A.nice day B.nice weather C
13、.a nice weather D.nice a weather4. The line is _. What should we do?A.deaf B.alive C.dead D.missing5. He hurt her _ badly _ she had to see a doctor.A.too; that B.so; that C.either; or D.too; to6. Each of us has to write a _ report every two weeks.A.two-hundred-word B.two-hundreds-wordC.two-hundreds-
14、words D.two-hundred-words7.-May I listen to music here, Mr. White?-Sorry, youd better _ it like that.A.not to do B.not do C.dont do D.not do to8. My daughter wants a rabbit for long, but I have no time to buy _for her.A.it B.one C.the one D.that9. His friends asked him _ up smoking.A.give B.to give C.gave D.giving10. When she heard the news, she looked at me _ surprise.A.for B.to C.at
