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1、Unit 2 Saving the EarthTopic2 All these problems are very serious.SectionDSectionDHowmanyenvironmentalproblemsdoyouknow?Whichonedoyouthinkisthemostserious?Whatcanyoudotosolveit/them?Imagineyouareonetree.Pleasetellusyourfunctions,problemsandwishes.ImatreePeopleusuallycutdownIwishhumanbeingsImagineyou
2、arewater.Pleasetellusyourfunctions,problemsandwishes.Imwater.IusedtobeFactoriesusuallypourIwishhumanbeingsImrubbish._likesme,but_makesmeeveryday.Manypeoplethrowme_,thisinfluencethelookofourcity.Idontlikeit.Iwishpeopleproduceaslessrubbishaspossible,becausedealingwithmecoststoomuchmoneyandtakesupaloto
3、fspace.Anddontthrowme_.Humanbeingsshoulddo_theycantorecycleme.anywhere,nobody,everywhere,everything,everyone Nobody everybody everywhere anywhere everythingFillintheblanks.takeup占去，占用（时间或空间）E.g.Doinghouseworktakesupmostofmymothersweekend.Mylittlebrotherstoystookupmuchspaceofhisbedroomwhenhewasyoung.
4、recycle回收，再循环E.g.Manypeoplearethinkingaboutnewideastorecycletherubbish.Whichkindofrubbishcanberecycled?Therubbishproducedeverydayhasbecomeaseriousproblem.Watchthefollowingprogramandanswersomequestions.Howdopeopleusuallydealwiththerubbish?Isitagoodwayornot?Whyorwhynot?Listentothetapeandfillintheblank
5、s. People in Britain produce about 430 million tons of waste every year, and put about 85 of the waste into the land. This harms the environment and takes up a lot of . Its difficult to find land to put the garbage in. At the same time, dealing with the waste too much money. Every year, people in Ho
6、ng Kong produce about 5 million tons of waste. Of all the garbage, about 35 percent can be recycled while the cant. The garbage produced every day has become a problem around the world. How shall we deal with it? percent space new costs rest seriousRead1aagainandthenmarkTrue(T)orFalse(F).1.InBritain
7、,peopleproduceabout5milliontonsofwasteeveryyear.2.PeopleinBritainputabout85percentofthewasteintothelandeveryyear.3.Lotsofrubbishonlytakesupalittlespace.4.InHongKong,abouteleventwentiethsoftherubbishcantberecycled.5.Rubbishhasbecomeaseriousproblemaroundtheworld.(F)(T)(F)(F)(T)Indefinitepronounandadve
8、rb不定代词和副词一、构成。不定代词、副词是由some,any,no,every与thing,one,body,where等构成。E.g.something,someone,nowhere,anybody等。GrammarfocusNone of us likes pollution.Dont spit anywhere in public.Everyone should care for wild animals and plant more trees.We should do everything we can to protect the environment.Indefinitep
9、ronounandadverb不定代词和副词二、用法。1通常情况下,由some,every加后缀构成的不定代词、副词常用于肯定句；由any加后缀构成的不定代词、副词常用于疑问句、否定句中。E.g.Youwillfindyourbagsomewhere.Canyouhearanything?GrammarfocusIndefinitepronounandadverb不定代词和副词2.注意：当说话人希望得到肯定答复,或是表示建议、请求等意图时,something,somebody,someone也可以用于疑问句中。当要表达“任何人；任何事物时,anything,anybody,anyone也可以用
10、于肯定句中。E.g.Wouldyoulikesomethingtodrink?AnybodycandoitexceptTom.GrammarfocusIndefinitepronounandadverb不定代词和副词三、none和noone的区别。noone只能指人，不跟of短语结构;可以回答who引导的问句。none既可以指人又可以指物，常跟of短语结构使用；可以回答howmany&howmuch引导的疑问句。E.g. Whoiswaitingforyououtside? Noone/Nobody.E.g. Howmanystampsdoyouhavenow? None.Grammarfoc
11、us根据句意用适当的不定代词或副词填空。Asweknow,_ofuslikespollution.Dontspit_inpublic._shouldcareforwildanimalsandplantmoretrees.Weshoulddo_wecantoprotecttheenvironment.noneanywhereEveryone练兵场everything1.Whichwouldyouliketodrink,teaorcoffee?_,thanks.Imnotthirsty.A.EitherB.NeitherC.LittleD.Few2.Thestudentsaredoingsomec
12、leaning.Somearesweepingthefloor,_arecleaningthedesksandchairs.A.otherB.theotherC.anotherD.others3.Myparentsare_doctors.A.bothB.allC.eitherD.neither(B)(D)(A)练兵场4.Thereis_withmycomputer.Icantworkon.A.wronganythingB.anythingwrongC.wrongsomethingD.somethingwrong5.Thewindwasblowingstrongly._peoplewalkedinthestreet.A.LittleB.AlittleC.FewD.Afew6.Hurryup.Thereis_timeleft.A.alittleB.littleC.afewD.few(D)(C)(B)UsefulexpressionsUsefulexpressionsAsaresult,airpollutionhasbecomeaseriousproblem.Humanshavecometorealizetheimportanceofprotectinganimals.Treescanstopthewindfromblowingtheearthaway.Bye-bye!Bye-bye!
