1.produce(名词)producer2.breathe(名词)breath3.manage(同义词)try4.soil(近义词)earth5.waste(反义词)save6.harm(形容词)harmful7.die(名词)death(形容词)dead8.none(反义词)all9.downstairs(反义词)upstairs10.both(反义词)neither11.change(形容词)changeable12.rubbish(同义词)litter13.pleasant(反义词)unpleasant14.behave(名词)behavior15.steal(过去式)stole(过去分词)stolen16.pollute(句词)pollution17.completely(形容词)complete18.recycle(动名词)recycling19.organization(动词)organize20.move(名词)movement21.electricity(形容词)electric22.protect(名词)protection23.environment(形容词)environmental重点词形变换重点词组1.whatamess!2.whatashame!3.seesbdosth4.seesbdoingsth5.pour......into.......6.Therebesb./sth.doingsth7.have/getapainin8.produceterriblegas9.beharmfulto=doharmto10.quiteafew11.nobetterthan12.It`sreported/saidthat13.havehearingloss=loseone`shearing14.godeaf15.feeluncomfortable16.causesbtodosth17.allsortsof18.disturbothers重点词组19.innoisyconditions20.withthedevelopmentof21.causehighbloodpressure22．blow/washaway23turninto=changeinto24.cutdown25stop/prevent/keep…(from)doingsth.26．dieout27.inagood/badmood28.can`tbear/standdoingsth29.destroytheenvironment30．cometorealize31.somethinguseful/important32.referto33.carefor=lookafter=takecareof34.takeaway35.theshortageofwater=beshortofwater36.avoiddoingsth重点词组37.environmentalprotection38.becoveredwith39.spreadmessageabout…40.workfor…41.bothsidesof……42.travelashortdistance43.oughttodosth=besupposedtodosth.44.shutoff45.afterall46.runout47.beindangerof(doing)sth.48.plentyof49.beusedfordoingsth50.pickthelitterup51.runthecar发动汽车52.takeupalotofspace占据许多空间现在完成时与一般过去时的区别现在完成时与一般过去时的区别1.一般过去时表示过去某个时间发生的事、存在的状态或经常发生的动作。说话的侧重点只在于陈述一件过去的事情，不强调对“现在”产生的影响。现在完成时表示动作发生在过去，对现在造成了影响或产生了结果。2.一般过去时的谓语动词用过去式，而现在完成时的谓语基本构成是“助动词have/has+过去分词”。如：3.一般过去时通常与表示过去的时间状语连用。如：yesterday,lastweek,twoyearsago,justnow,in2002等；而现在完成时则常与just,already,ever,never等副词和thesedays,thisweek,since...,for...等表示一段时间的状语连用语法要点一(一)不定代词：指人：someone/somebodyanyone/anybodynoone/nobodyeveryone/everybody指物：something/anything/nothing/everything（二）不定副词:指地点：somewhereanywherenowhereeverywhere（三）用法：1．some-复合代词/副词常用于肯定句；如：Isawsomeoneintheroom.我看见房间里有人。2．any-复合代词/副词常用于否定句或疑问句；如：Ididn’tseeanyoneintheroom.我没看见有人在房间里。3．no-复合代词/副词表全否定；如：Isawnobodyintheroom.我看见房间里没有人。4．every-复合代词/副词代替全部；如：Everyoneishere.大家都在这儿。5.some-复合代词/副词用于疑问句中时，表希望得到对方的肯定回答或表请求；如：Wouldyoulikesomethingtodrink?你要点喝的东西吗？语法要点二6.any-复合代词/副词用于肯定句时，表“任何”；如：Ifpeoplespitanywhereinpublic,theyshouldbepunished.如果人们在公众的任何地方吐痰，他们应该受罚。7.不定代词作主语时，谓语动词用单数形式；如：Nooneknowsthissecret.没有一人知道这个秘密。Everythinggoeswell.一切进展顺利。8.如果有定语修饰,定语应放在不定代词或不定副词后；如：Ihavesomethingimportanttotellyou我有重要的事告诉你。9.no=notany→nobody=notanybody;nothing=notanythingShedidn’tsayanything.=Shesaidnothing.她什么也没说。Thereisnobodystrangehere.=Thereisn’tanybodystrang...
