1、學習必備歡迎下載Chapter2PollutionFighters一Learningaims:1通過閱讀，了解樹木對于環(huán)境的作用。2學會查閱書籍的目錄。二Mainphrases:WordschemicalcommunicatenastynaturaloxygenhectaresupposewarnhardlysipPhrases1averageages平均年齡2magnoliatrees白玉蘭樹3sweet-smellingflowers氣味芬芳的花朵4beknownas.被譽為5collectsomefactsfor.為.收集一些事實材料6aclassprojectonpollution一個

2、有關(guān)污染的班級實踐項目7interviewsb.aboutsth.就有關(guān).采訪某人8beinterestedin(doing)sth.對.感興趣9livingthings生物10make.lessnoisy減少.的噪音11ontheendof.在.頂端12sipaCoke小口地喝些可樂13breathepureair呼吸純凈的空氣14thank.for(doing)sth.為.而感謝某人15naturalairconditioners天然空調(diào)16harmfulgas有害氣體17takefrom把.從.中拿走18releaseinto釋放.進入purerelease學習必備歡迎下載19onean

3、dahalfhectaresoftrees一公頃半的樹林20produceenoughoxygen產(chǎn)生足夠的氧氣21keepalive使.存活22aswellas也,同樣23forexample例如24warnsb(not)todosth告戒某人(不要)做某事25warnsb.ofsth.預(yù)告/預(yù)先通知某人某事26protectoneselfbydoingsth.通過.保護自己27produceachemical產(chǎn)生一種化學物質(zhì)28makedosth.使某人做某事29tastenasty嘗起來令人作嘔的30jointogether把.連在一起31passaround傳遞.32communica

4、tewithsb.和.交流/交際33oneanother=eachother互相34indanger處于危險中35hardlyany=almostno幾乎沒有36ourbestfightersagainstpollution我們最好的反污染衛(wèi)士Sentencepatterns1.Treescooltheairaswellascleanit.2.Theymakestreetsmorebeautifulandlessnoisy.3.Treesarecommunicatingwithoneanother.三Languagepoints:1onearth=intheworld在世界上ontheeart

5、h在地球上2livinga.alivenow有生命的作定語e.g.Hestheworldsmostfamouslivingartist.他是世界上最著名的仍然健在的藝術(shù)家。學習必備歡迎下載alivea.living;notdead活著的做表語e.g.Ididntknowifhewasaliveordead.我不知道他是死是活。3makesb./sth.tobeorbecomesth.make+n.+adj.使某人或某物變得。e.g.Thenewsmadehimveryhappy.這條消息使他很高興。makesb./sth.dosth.讓某人做某事e.g.Mymothermademewashth

6、edishesafterdinner.媽媽讓我吃飯后洗衣服。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.原級位于形容詞或副詞前與more+形容詞或副詞及加er構(gòu)成的比較級意思相反noisya.noisilyadv.5.attheendof在。的盡頭atthebeginningof在。的開始6breathev.totakeairintoyourlungsandsenditoutagainthroughyournoseormouthbreathein吸入breatheout呼出breathn.呼吸的空氣7keep

7、sb./sth.+adj.使。保持某種狀態(tài)e.g.Anair-conditionercankepttheroomclean.Keep可作系動詞，后面直接加形容詞四Exercises:I.Choosethebestanswer:()1.Theteacheroftenasksus_carefullyduringtheclass.A.listenB.tolistenC.listeningD.listened()2.Afterhavinghismeal,Jackcontinued_computergames.A.playsB.toplayC.playingD.played()3.Mrs.Ligoest

8、o_hersonfromschooleveryafternoon.A.meetB.seeC.visitD.collect()4.Ifit_tomorrow,wewillhaveapicnic.A.notrainB.wontrainC.doesntrainD.isntrain()5.I_thehobbygroupthreemonthsagoandI_themeetingeveryMonday.學習必備歡迎下載A.tookpartin;joinB.enteredfor,takepartinC.joined,attendD.attended,enter()6.Mayiskeenon_.A.dance

9、B.dancedC.dancingD.todance()7.Itstoocoldoutside,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.

10、forII.TranslatethefollowingphrasesintoEnglish;1對感興趣2樹木有什么好處？3釋放氧氣到空氣里4在危險中5從空氣中除去有還氣體6喝口咖啡7把連在一起8互相交流9對付污染10砍倒III.TranslatethefollowingphrasesintoEnglish;1.警方正在用無線電聯(lián)系。2農(nóng)民用一種化學產(chǎn)品殺滅田里的害蟲。3律師要求警方立即釋放他的客戶。4這個新的公園戰(zhàn)地60公頃。5我必須警告你不要出去，暴風雨要來了。學習必備歡迎下載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