Chapter2PollutionFighters一Learningaims:1．通过阅读，了解树木对于环境的作用。2．学会查阅书籍的目录。二Mainphrases:WordschemicalcommunicatenastynaturaloxygenpurereleasehectaresupposewarnhardlysipPhrases1．averageages平均年龄2．magnoliatrees白玉兰树3．sweet-smellingflowers气味芬芳的花朵4．beknownas...被誉为5．collectsomefactsfor...为......收集一些事实材料6．aclassprojectonpollution一个有关污染的班级实践项目7．interviewsb.aboutsth.就有关......采访某人8．beinterestedin(doing)sth.对......感兴趣9．livingthings生物10．make...lessnoisy减少......的噪音11．ontheendof...在......顶端12．sipaCoke小口地喝些可乐13．breathepureair呼吸纯净的空气14．thank...for(doing)sth.为......而感谢某人15．naturalairconditioners天然空调16．harmfulgas有害气体17．take…from…把......从......中拿走18．release…into…释放......进入19．oneandahalfhectaresoftrees一公顷半的树林20．produceenoughoxygen产生足够的氧气21．keep…alive使......存活22．aswellas也,同样23．forexample例如24．warnsb(not)todosth告戒某人(不要)做某事25．warnsb.ofsth.预告/预先通知某人某事26．protectoneselfbydoingsth.通过......保护自己27．produceachemical产生一种化学物质28．make…dosth.使某人做某事29．tastenasty尝起来令人作呕的30．join…together把......连在一起31．pass…around传递......32．communicatewithsb.和......交流/交际33．oneanother=eachother互相34．indanger处于危险中35．hardlyany=almostno几乎没有36．ourbestfightersagainstpollution我们最好的反污染卫士Sentencepatterns1.Treescooltheairaswellascleanit.2.Theymakestreetsmorebeautifulandlessnoisy.3.Treesarecommunicatingwithoneanother.三Languagepoints:1．onearth=intheworld在世界上ontheearth在地球上2．livinga.alivenow有生命的作定语e.g.He’stheworld’smostfamouslivingartist.他是世界上最著名的仍然健在的艺术家。alivea.living;notdead活着的做表语e.g.Ididn’tknowifhewasaliveordead.我不知道他是死是活。3makesb./sth.tobeorbecomesth.make+n.+adj.使某人或某物变得。。。e.g.Thenewsmadehimveryhappy.这条消息使他很高兴。makesb./sth.dosth.让某人做某事e.g.Mymothermademewashthedishesafterdinner.妈妈让我吃饭后洗衣服。bemadeof由。。。制成（看得出原材料）bemadefrom由。。。制成（看不出原材料）bemadein在。。。制成4.less+adi.原级位于形容词或副词前与more+形容词或副词及加er构成的比较级意思相反noisya.noisilyadv.5.attheendof在。。的尽头atthebeginningof在。。。的开始6．breathev.totakeairintoyourlungsandsenditoutagainthroughyournoseormouthbreathein吸入breatheout呼出breathn.呼吸的空气7．keepsb./sth.+adj.使。。。保持某种状态e.g.Anair-conditionercankepttheroomclean.Keep可作系动词，后面直接加形容词四Exercises:I.Choosethebestanswer:()1.Theteacheroftenasksus_______carefullyduringtheclass.A.listenB.tolistenC.listeningD.listened()2.Afterhavinghismeal,Jackcontinued________computergames.A.playsB.toplayC.playingD.played()3.Mrs.Ligoesto_______hersonfromschooleveryafternoon.A.meetB.seeC.visitD.collect()4.Ifit________tomorrow,wewillhaveapicnic.A.notrainB.won’trainC.doesn’trainD.isn’train()5.I________thehobbygroupthreemonthsagoandI_______themeetingeveryMonday.A.tookpartin;joinB.enteredfor,takepartinC.joined,attendD.attended,enter()6.Mayiskeenon_______.A.danceB.dancedC.dancingD.todance()7.It’stoocoldoutside,please_________yourcoat.A.putonB.wearC.puttingonD.wearing()8.Jennyenjoys_________.A.gofishingB.goingfishingC.togofishingD.goesfishing()9.Yesterday,Iwenttoschool______ataxibecauseIgotuplate.A.byB.onC.withD.in()10.Treescanprotectthemselves________producingachemical.A.fromB.byC.ofD.forII.TranslatethefollowingphrasesintoEnglish;1对……感兴趣2树木有什么好处？3释放氧气到空气里4在危险中5从空气中除去有还气体6喝口咖啡7把……连在一起8互相交流9对付污染10砍倒III.TranslatethefollowingphrasesintoEnglish;1.警方正在用无线电联系。2．农民用一种化学产品杀灭田里的害虫。3．律师要求警方立即释放他的客户。4．这个新的公园战地60公顷。5．我必须警告你不要出去，暴风雨要来了。IV.Rewritethesentencesasrequired:1.Theyareoldbuttheyarestillworkinthefield.（保持原句意思）________theyareold,theystillworkinthefield.2.Treesproduceenoughoxygentocleantheair.（保持原句意思）Treescleantheairby_________enoughoxygen.3.Tomspenthalfamonthpaintinghishouse.（保持原句意思）______________Tomhalfamonth_______________hishouse.4.Mybrotherissoyoungthathecan’tgotoschool.（保持原句意思）Mybrotherisso______________togotoschool.5.JudyisinterviewingDr.Ray.（反意疑问句）JudyisinterviewingDr.Ray.,______________.
