Lesson2SectionA(3a－4c)課前預(yù)習(xí)請(qǐng)預(yù)習(xí)下列重點(diǎn)單詞、短語(yǔ)和句子，并完成下面的表格及相關(guān)訓(xùn)練。單詞和短語(yǔ)重點(diǎn)單詞名詞1.鯊魚(yú)2.(魚(yú))鰭3.鏈子；鏈條4.生態(tài)系統(tǒng)5.工業(yè)；行業(yè)6.法律；法規(guī)?(n.)律師7.運(yùn)輸業(yè)；交通運(yùn)輸?(v.)運(yùn)輸；運(yùn)送動(dòng)詞8.承擔(dān)得起(后果)；買(mǎi)得起?(短語(yǔ))承擔(dān)得起做某事形容詞9.殘酷的；殘忍的10.有害的?(v.&n．)傷害；損害11.科學(xué)上的；科學(xué)的?(n.)科學(xué)12.可重復(fù)使用的；可再次使用的?(v.)重復(fù)使用；再次使用重點(diǎn)短語(yǔ)1.對(duì)……有害2.在……頂部或頂端3.食物鏈4.參加5.關(guān)掉6.付費(fèi)；付出代價(jià)7.采取行動(dòng)8.聽(tīng)說(shuō)9.切除；切下10.不再11.處于危險(xiǎn)中12.合計(jì)；加起來(lái)根據(jù)語(yǔ)境或提示，完成填空。1.Itis(殘忍的)tocutoffthesharks'finsandmakethemintosoup.2.JackieChanenteredthefilm(行業(yè))inthe1970swhenhewasinhistwenties.3.Itishtoyourteethifyoueattoomuchsugar.4.Icouldn'tatobuythedress.It'stooexpensive.5.Chinahasmadegreatprogressinsresearchinthepast20years.6.Accordingtothetrafficl，childrenunder18mustn'tdriveacarontheroad.7.Inordertoprotecttheenvironment,peopleinthiscountryhavetopfortheirlitter.8.Manyanimalsareendangered,soweshouldactiontosavethemnow.佳句仿寫(xiě)請(qǐng)?jiān)诮滩闹袠?biāo)出下面的句子，并用句中黑體詞或短語(yǔ)仿寫(xiě)句子。1.Thisisnotonlycruel,butalsoharmfultotheenvironment.2.Withoutafin,asharkcannolongerswimandslowlydies.3.Sharksareatthetopofthefoodchainintheocean'secosystem.4．Butinfact,around70millionsharksarecaughtandtradedinthisindustryeveryyear.句子仿寫(xiě)她不僅是一名作家，而且還是一名演員。我不會(huì)再尋求她的幫助了。他站在山頂上，深吸了一口氣。事實(shí)上，我們真的很累，想休息一下?；A(chǔ)練習(xí)課文回顧請(qǐng)根據(jù)課本中3a的內(nèi)容，完成短文填空。Manypeoplehaveheardofsharkfinsoup.Butdoyou1.thatyouarekillingawholesharkeachtimeyouenjoyabowlofsharpfinsoup?Whenpeoplecatchsharks,theycutoff2.finsandthrowthesharksbackintotheocean.Thisisnotonlycruel,3.alsoharmfultotheenvironment.Sharksarethe4.ofthefoodchainintheocean'secosystem.Iftheirnumbersdroptoolow,itwillbring5.toalloceanlife.Thenumbersofsomekindsofsharkshave6.byover90percentinthelast20to30years.Environmentalprotectiongroupsareteachingthe7.about“finning”.Theyhaveaskedgovernmentstodeveloplawstostopthe8.ofsharkfins.Sofar,no9.studieshaveshownthatsharkfinsaregoodforhealth,sostopeatingthem.Help10.thesharks!知識(shí)探究知識(shí)點(diǎn)Thisisnotonlycruel,butalsoharmfultotheenvironment.【自主探究】harmful作形容詞，意為“有害的”，beharmfulto...意為“對(duì)……有害”?！飄armful的名詞形式是harm，意為“傷害；損害”，beharmfulto＝doharmto。如：Smokingisharmfultoyourhealth.＝Smokingdoesharmtoyourhealth.【習(xí)題演練】()1.—Tom,playinggamesonthephoneyoureyes.—Isee.Thankyou.Iwilldomoresportsinstead.A.isgoodforB.isharmfultoC.issorryforD.isstrictwith2.吃太多的肉對(duì)你的健康有害。Eatingtoomuchmeattoyourhealth.提能訓(xùn)練一、單項(xiàng)填空()1.IlikeJ.K.Rowling'snovelsverymuch.SofarIallherworksaboutHarryPotter.A.willread B.amreadingC.wasreading D.haveread()2.myfatherIamcrazyaboutthefootballmatch,soneitherofuswanttomissthematchtonight.A.Both;and B.Either;orC.Notonly;butalso D.Neither;nor()3.Ourcountrydevelopsreallyfast.—Yes.，ithasmadegreatachievementsinmanyareas.A.Intheend B.FromnowonC.Asaresult D.Infact()4.—Hey,takecarenottotheleavesoftheseplants.—Sorry,I'llbecareful.A.takeoff B.cutoffC.turnoff D.putoff()5.numberofthevolunteersinourschool300andtwothirdsofthemarementeachers.A.A;is B.The;isC.A;are D.The;are二、完成句子1.熬夜對(duì)你的健康有害。Stayinguptoolateyourhealth.2.我們?cè)谏巾斠安驮趺礃?？Howabouthavingapicnicthehill?3.他將為自己所做的一切付出代價(jià)。He'llhavetowhathehasdone.4.許多國(guó)家已經(jīng)采取行動(dòng)保護(hù)瀕危的野生動(dòng)物了。Manycountrieshavealreadytoprotectthewildanimals.5.目前我們還沒(méi)有任何發(fā)現(xiàn)，但是我們?nèi)栽谘芯?。wehaven'tbeenabletofindanything,butwe'restillresearching.三、短文填空Ourlifehaschangedalot.Nowadays,wecaneasily1.amealonline.Thensomeonewillbringthefoodwithtakeoutboxestous.Thisreallycan2.usmuchtimeandenergy.Buthaveyouconsidered3.willhappentoyourtakeoutboxes?Afterall,plasticproductsarereally4.totheenvironment.Mostjuiceandwatercomeinplasticbottles.When5.plasticbottlebecomesrubbish,itremainsrubbishforhundredsofyears.That's6.plasticwouldnotchangemuchasitgetsold.Howcanwedealwithplastic?Recycle!Wecantakethingsthathavebeenusedandturnthem7.somethingnew.Hereishowitworks.Peoplesavetheirplasticbottles.Aspecialrecyclingtruckpickstheplasticbottlesandtakes8.totherecyclingcenter,andthebottlesarechangedintosmallpiecesthere.Thenthesmallpiecesofplasticaremelted(熔化)down.Themelted