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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,本资料仅供参考，不能作为科学依据。谢谢。本资料仅供参考，不能作为科学依据。本资料仅供参考，不能作为科学依据。谢谢。本资料仅供参考，不能作为科学依据。,Language points,Unit 4,1/24,1.It,explod,ed loudly with fire and rock,which were in time to produce the water vapour ,1).,（,使某物）炸开，爆炸,2).,（指感情）迸发,3).,（指人口）突然或快速增加,The firework exploded in his hand and he was hurt seriously.,The children,exploded into laughter.,The teacher,exploded with anger.,Now it is not easy to find jobs with,the exploding world population.,explosion n.,爆炸（声）,explosive adj,.,爆炸性，易爆炸,explode with/in/into.,2/24,2.It exploded loudly with fire and rock,which were,in time,to produce the water vapour,.,in time(for sth/to do sth):,not late 及时；不迟,She will be back in time to prepare dinner.,她来得及回来准备晚饭。,in time,:sooner or later;eventually 迟早；最终；终于,Ill see him in time.,总有一天我会遇见他。,in/out of time,:in/not in the correct time,合/不合节拍,The audience clapped in time to the music.,观众合着音乐节拍拍手。,3/24,3.(sth)be to(do):,(something)will definitely happen,or it must happen 不可防止要发生或必须发生。,e.g.,They said goodbye,little knowing that they were never to meet again.,Mr.Clark said to his daughter,“You are to be home by 10 oclock at the latest.”,The sports meeting was to take place soon.,更多资源,4/24,cool,1)v.Please open the window to cool the room.,Dont drink the tea before it cools a little.,2)adj.,清凉，冷静，从容，冷漠，冷淡,be/get/seem/keep cool,His songs received a cool response from the public.,4.,As the earth,cooled down,water began to appear on its surface.伴随地球冷却,地球表面就开始出现了水。,cool down,a.凉快起来，冷却,b.指人心境“平静下来，使平静下来”,A heated argument can be settled better if both,sides,cool down,first.,I tried to,cool,her,down,but she was still very angry when she left.,Dont cover the TV until it,cools down,.,5/24,5.Nobody knew that it was going to be different from other planets going round the sun.,2）他们品位和我不一样。,Their tastes are different from mine.,There are differences betweenand,与之间有不一样之处,tellfrom 把与区分开来,the same as 与一样,be similar to,与,相同,be very/much/quite/entirely/totally different from,与,不一样,City life is quite different from country life.,1）城市生活和农村生活很不一样。,6/24,going round the sun,为现在分词短语，做定语，表示普通动作。比如：,Men breaking the law will be punished.,Men who break the law will be punished.,现在分词短语作定语，也可表示进行动作。比如：,Can you see the girl dancing with your boyfriend?,Can you see the girl who is dancing with her boyfriend?,你能看到与男友跳舞那个姑娘吗？,7/24,be harmful to,对,有害,do harm to sb.=do sb.harm,伤害某人，对某人有坏处,1)Pollution is especially harmful to animals.,2)Smoking will do you a lot of harm.,It does no harm(for sb.)to do,There is no harm in(sb.s)doing sth.,6.,8/24,7.It,allow,ed the earth do dissolve harmful gases.,allow,vt.,允许、许可、允许,allow+n./pron./doing,allow sb.to do,be allowed to do,My father doesnt,allow smoking,at home.In fact he doesnt,allow,us to smoke,anywhere at any time.,Are we allowed,to use,the computer?,9/24,it,作形式宾语，其真正宾语能够是不定式，动名词和从句。,The foreign Minister said,“_ our hope that the two sides will work towards peace.”(BJ),A.This is B.There is C.That is D.It is,2.I like _ in the autumn when the weather is clear and bright.(NMET),A.this B.that C.it D.one,3.Why dont you bring _ to his attention that you are too busy to do it?,A.this B.that C.what D.it,D,C,D,8.That made,it,possible for life to begin to develop.,10/24,4.Why?I have nothing to confess._ you want me to say?,A.What is it that B.What it is that,C.How is it that D.How it is that,5.Was it at the school _ was named after a hero _ he spent his childhood?,A.which;that B.where;where,C.that;where D.which;where,A,A,11/24,9.They multiplied and filled the first oceans and seas with oxygen,.,multiply(数目上),增加，增多；乘；（使）繁殖,1)Our problems have multiplied since last year.,2),2 and 5 multiply to,make 10.,4)The plants here multiply rapidly.,3),6 multiplied by 5,is 30.,=,Multiply 6 by 5,to make 30.,12/24,10.This,encourage,d the development of early shellfish and all sorts of fish.,encourage 鼓舞；促进；怂恿。后接名词、代词，也可接不定式作宾语补足语。如：,High prices for corn and wheat will encourage farming.,玉米和小麦高价将促进农业发展。,My success encouraged me to continue.,我成功勉励我继续干下去。,He encouraged me to learn dancing.,他勉励我去学跳舞。,13/24,11.Many millions of years later the first green plants began to appear on land.,late,adj.,迟到，晚；前任；以前；已故,later,adv.,以后，较晚时候,过后,adj.late,比较级,(更迟,更后),latest,adj.,最新,lately,adv.=recently,最近,1)Mr.Zhu Rongji is the late Prime Minister of China.,3)She said she would ring you later this morning.,5)Its only lately that she has been well enough to go out.,2)He is often late for school.,4)Have you heard about the latest news?,14/24,12.spread使用方法,（1）vi.（消息等）传开，流传。如：,The news spread through the school very quickly.,The fire spread from the factory to the house nearby.,（2）vt.“使伸展，延伸，张开”，常与out连用。,He spread out his arms to welcome us.,I spread a new cloth on the table.,我在餐桌上铺上一条新桌布。,他张开手臂欢迎我们。,15/24,13.They are putting too much carbon dioxide into the atmosphere,which prevents heat from escaping from the earth into space.,阻止某人做某事,:,prevent sb.(from)doing sth.,stop sb.(from)doing sth.,keep sb.from doing sth.,1)We must prevent them from making trouble.,2)You should prevent the child from injuring himself.,If nothing prevents,假如没有什么妨碍话,16/24,1.This is the best way I can think of _ into dangerous areas.,A.to prevent people getting,B.keeping people getting,C.stopped people getting,2.Alice was prevented _ taking apart in sports meeting.,A,from,17/24,14.escape,1)v.escape,sth,doing sth,escape punishment=escape being punished,escape from sth/some place,2)n.Escape from the prison is difficult.,18/24,15.Whether life will continue on the earth,for millions of years to come,will,depend on,whether this problem can be solved.,for millions of years to come,中不定式to come作定语，与前面名词之间有逻辑上主谓关系：,She is the last person to do such a thing.,她是最不像会做这种事人。,19/24,16.depend on/upon,1),信赖，依靠,depend on/upon,sb/sth/v-ing,sb/sth for,sb to do sth,You mustnt depend on others to help you.,All living things depend on the sun for their growth.,2),视而定，取决于,The price depend on the quality.,Your success depends on whether you work hard.,That depends on how you did it.,depend on it,没问题，请放心（句末或句首）,That/It(all)depends.,那得看情况而定,1)Depend on it,youll succeed.,2)He may support me,but it depends.,20/24,Tell him what you want to say;hes a man to _.,A.count B.believe C.trust D.depend,解析:相信/信赖某人:,count on sb.,believe in sb.,depend on sb.,trust(in)sb.,C,C,21/24,17.When the plants,grew into,forests,reptiles appeared for the first time.,She is growing into a beautiful young woman.,她渐渐出落成一个漂亮姑娘。,生长成为,渐渐成为或变得（不用于被动语态）,更多资源,22/24,动词,过去式,过去分词,现在分词,意义,lie,lay,lain,lying,躺，位于,lie,lied,lied,lying,撒谎,lay,laid,laid,laying,搁，放，,下蛋,The naughty boy _ to me that the hen that _ there just now had_ two eggs the day before.,A.laid;laid;laid B.laid;lay;lain,C.lied;laid;lain D.lied;lay;laid,D,23/24,Word study:,Translate the following into English,把看成,太阳系,总有一天；及时,普通地说来,信赖；取决于,当前,做出选择,天文学,氧,阻止,think of as,solar system,in time,generally speaking,depend on,at present,make choices,astronomy,oxygen,prevent from,24/24,
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