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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,*,Welcome!,Unit 2 Topic 2,Class Three,Grade Nine,Presented and guided by Yang Shanghang,All these problems are very serious.,Read after the tape.,Play and Enjoy,1.,良田变沙漠,(change into),2.,树木可以阻止风把泥土吹走。,(stop from),3.,砍树对人类有害。,(cut down,be harmful to),Rich land has changed into desert,.,Trees can stop wind from blowing the earth away.,Cutting down trees is harmful to human beings.,4.,垃圾占据了大量的空间。,(take up,space),Waste takes up a lot of space.,More exercises,Fill in the blanks with the given words,.,(,综合填空）,change,cut,protect,pollute,report,come,wash,find,take,harm,As we know,pollution is very serious in todays world.,People have _ down too many trees.Because of fewer and fewer trees,forests have gone.The water _ the earth away.Lots of rich land has _ into desert.Sandstorms _ into being.,Waste brings another problem.Its _ that waste harms the environment and _ up a lot of space.Its difficult for people_ new land to put the garbage in.,Traffic pollution,factory pollution,water pollution and more Carbon Dioxide are also _ to the earth.So its necessary for us to stop _ the earth.Lets take an active part in _ the environment.,cut,washes,changed,come,reported,takes,to find,harmful,polluting,protecting,Lets enjoy reading!,Hundreds of years ago,life was much harder than it is today.People didnt have modern machines.There was no modern medicine,either.,Life today has brought new problems.One of the biggest is pollution.Water pollution has made our rivers and lakes dirty.It kills our fish and pollutes our drinking water.Noise pollution makes us talk louder and become angry more easily.Air pollution is the most serious kind of pollution.Its bad to all living things in the world.Cars,planes and factories all pollute our air every day.Sometimes the polluted air is so thick that it is like a quilt over a city.This kind of quilt is called smog.,Many countries are making rules to fight pollution.Factories must now clean their water before it is thrown away,and they mustnt blow dirty smoke into the air.We need to do many other things.We can put waste things in the dustbin and do not throw them on the ground,there will be less pollution.Rules are not enough.Every person must help to fight pollution.,()1.What kind of pollution is not mentioned in the passage?,A.light pollution B.air pollution,C.water pollution D.noise pollution,()2.Hundreds of years ago,life was much harder than it is today because _.,A.there were not any modern machines,B.People didnt like modern machines.,C.both A and B D.there were not many people,()3.According to the passage,what is the biggest problem in todays life?,A.Water pollution B.Air pollution,C.Noise D.Pollution,A,D,A,(,para.1,),(,para.2,),D,D,()4.Factories must clean their water _.,A.before they are thrown away,B.when they are thrown away,C.after it is thrown away,D.before it is thrown away,()5.From the passage we know that _.,A.a few years ago,there was no smog at all,B.today people dont have to talk to each other in a loud voice,C.we can drink water from the polluted rivers and lakes,D.people are making rules in order to fight pollution,(,para.3,),由,some/any/every/no+body/thing/one/,where,构成,.,1,、不定代词作主语，谓语动词用,单三,2,、形容词修饰不定代词,放其后,3,、,something,用于肯定句或请求疑问句中,anything,用于否定句或疑问句中,一、不定代词（,副词,）的构成,：,e.g.something,二、不定代词的用法,:,Nobody like,s,to be untidy.,I have,something important,to tell you.,I have,something,important to tell you.I,dont,have,anything,important to tell you.,总结不定代词,/,副词,总结不定代词,/,副词,other,其他的（形）,others,其他人,/,物（名词）,the other,(one the other,一个,另一个,),one/some the others,（一个,/,一些,剩余的,）,another,另一个、又一个,other,others,the other,the others,another,1.,have two apples.One is for you,_ is for your sister.,A.other B.the other,C.the others D.another,Dont laugh at _.,A.other B.the other,C.others D.another,B,C,both,（两者）都,neither,（两者）都不,either,(,两者中）任何一者,all,（三者以上）都,none,（三者以上）都不,both neither,either,all,none,My parents are _ farmers._ of them works in the hospital.,A.all,None B.either,All,C.both,Neither D.both,None,C,总结不定代词,/,副词,(2009,宁波中考）,-Do you have anything important to say for yourself?,-_ except sorry.,A.Something B.Nothing,C.Anything D.Everything,(2009,北京中考）,My sister has two skirts.One is yellow,_ is black.,A.other B.another,C.others D.the other,B,D,中 考 链 接,(,2009,宁夏回族自治区中考）,-Can you come on Monday or Tuesday?,-Im afraid _ day is possible.,A.neither B.either,C.some D.any,A,中 考 链 接,(2008,上海中考）,I knocked on the door several times but _ answered,so I left.,A.somebody B.nobody,C.anybody D.everybody,B,(2009,福州中考）,-Is there _ in todays newspaper?,-Yes,our National Table Tennis Team won all the seven gold medals once more.,A.something new B.anything new,C.somebody special D.anybody special,(2009,贵港中考）,-We cant find such animals _ else in the world.,A.somewhere B.everywhere,C.anywhere D.something,B,C,中 考 链 接,As students,what should we do to protect the environment?,假定今天下午准备开一次以,“,Keep the School Tidy and Clean”,为主题的英语班会，请你以班长的身份准备一篇,70,词左右的英语发言稿。,主要内容包括以下几点：,1.,不
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