授課資料范本魯教版初中九年級英語下冊Unit8We’retryingtosavetheearth》授課設計3編寫：__________________時間：__________________1/6Unit8We’retryingtosavetheearth1.Checkifyouknowthesephrases.①不同樣種類的污染②河底③把垃圾扔到河里④在中起作用⑤在中國南部⑥對有害⑦在頂部⑧海洋生態系統2.TranslatethesesentencesintoEnglish.①甚至是河底都盡是垃圾。②這個方法不但殘忍還對環境有害。③鯊魚處于海洋食品鏈的頂部。④好多人相信魚翅對健康有好處。II.GrammarFocusPayattentiontothesentences.We’retryingtosavetheearth.Theriverusedtobesoclean.Theairisbadlypolluted.Noscientificstudieshaveshownthatsharkfinsaregoodforhealth.Weshouldhelpsavethesharks.現在進行時:PresentProgressive定義：表示說話時（剎時）正在進行的動作，也表示目前或現階段素來進行的動作。結構:be(am/is/are)+v.-ing標志詞：Look,Listen,now,rightnowe.g.Look!Theboyiscrying.2.usedtodo與beusedtodoingusedtodosth.表示過去常常做某事,而現在常常不做了,后接動詞原形。beusedtodoingsth.表示習慣于做某事。e.g.Iusedtogetupatsixo’clock.2/6Joeisusedtodrinkingacupofcoffeeeverymorning.3.被動語態：Passivevoice定義：表示主語是動作的承受者，即行為動作的對象的一種語態。結構：be+過去分詞e.g.Anewschoolwasbuiltlastyear.Ourclassroomiscleanedeveryday.4.現在完成時:PresentPerfect定義：表示動作已經完成,但對現在造成影響;也許表示從過去某一時間開始素來連續到現在并還可能連續下去的動作。結構:has/have+過去分詞標志詞：already,yet,ever,never,since,fore.g.Ihaven’tfinishedmyhomeworkyet.神情動詞1)神情動詞自己有必然的詞義，表示說話人的情緒、態度或語氣，但不能夠單獨作謂語，只能與其他動詞構成謂語。常有的有：can(could),may(might),must,need,shall(should),will(would)等。2)神情動詞無人稱和數的變化,后接動詞原形。否定式是在神情動詞后邊加not。個別神情動詞有過去式形式,可用來表達更加客氣、宛轉的語氣。e.g.Kencanclimbupthetresslikeakoala.Tracycouldrideabicyclewhenshewasfiveyearsold.Youmustn’tplaywithfire.Itisdangerous.III.PracticeWorkon4a.Fillintheblankswiththecorrectformsoftheverbsinbrackets.Joe:_____youever______(take)partinanenvironmentalproject?3/6Eric:Yes,Ihave.I______(help)withaClean-UpDaylastyear.Itwas_________(consider)thebiggestclean-upprojectthiscity____ever____(have).Joe:Howmanypeople____(take)part?Eric:I_______(think)moreJoe:That’sfantastic!Iguesseveryoneinthiscityis______(try)toimprovetheenvironment.Eric:Yes,wecan’taffordto____(wait)anylongertotakeaction!Learnsomenewwordsandexpressions.2.Workon4b.Fillintheblankswiththeappropriatemodalverbsfromthebox.Thewordsare:can,would,could,haveto,should,must,may/mightPeople__________thinkthatbigthings______bedonetosavetheearth.Manyforgetthatsavingtheearthbeginswithsmallthings.Forexample,you____saveelectricitybyturningoffthelightswhenyouleavearoom.You______alsousereusablebagsinsteadofplasticbags.Ithinkit’sagreatideathatyounow______payforplasticbagsinsomestores.Andinsteadofdrivingtoschoolorwork,youLearnsomenewwordsandexpressions.3.Workon4c.Makealistofthingsthatpeoplecandotohelptheenvironmentanddiscussyourlistwithyourpartner.usepublictransportation(n交通運輸);.turnoffthelightswhenyouleavearoom;4/6usereusablebagsinsteadofplasticbags;rideyourbikeorwalktoschoolorwork;stopusingpapernapkins;recyclebooksandpaper4.Discussion.Ithinkthateveryoneshouldusepublictransportation.Idisagree.It’sdifficultforparentswithyoungchildrentousepublictransportationIV.Languagepoints1.Wecan’taffordtowaitanylongertotakeaction!affordv.擔當得起；供應,恩賜affordtodosth.(常與can,bebleto連用)買得起；有足夠的e.g.Wecan’taffordtopaysuchaprice.我們付不起這個價錢。Dancingaffordsuspleasure.跳舞給我們帶來快樂。2.saveelectricitybyturningoffthelightswhenyouleavearoom.turningoff關掉e.g.Pleaseturnthetelevisionoffbeforeyougotobed.睡