2023學年完整公開課版《Unit4Savethetrees》

Unit4Savethetrees第二課時Checking-upWhyaretreessoimportantinourdailylives?RevisionReadaparagraphabouttheimportanceoftrees.Completeitwithappropriatewords.Treesmakeourlivesmorec__________.Forexample,thew______inyourpencil,thepaperinyournotebookandthef_________inyourhouseallc______fromtrees.Treestakeinh_________gasesfromtheairandp________oxygen,sotheyareveryu______.Itishardtoi__________aworldwithouttrees.onvenientoodurnitureomearmfulroducesefulmagineTopicsentencesTreesarereallyinourdailylives.Theyhelpusinmanyways.UsefultreesProductsfromtreesTreesindangerFactsPeoplecutdowntreeseveryyear.Whattodo?Weshouldstopsomanytrees.importantmillionsofcuttingdownfurniturefruitandoilpapersandpencilsteaVocabularyproduceagainstfurnitureconvenientmajorBrainstormingOurpromisesIngroups,talkaboutwhatyoucandotosavetrees.OurpromisesIpromisetowriteonbothsidesofthepaper!Ipromisenottocutdowntrees!Ipromisetoplantmoretreesinthefuture!Ipromisenottousethrowawaychopsticks!…-fulLookatthesetwosentences.Doyouknowthemeaningsof“useful”and“harmful”?Treesgiveusalotofusefulthings.Treestakeinharmfulgasesfromtheair.“Useful”and“harmful”bothendin-ful.Itisasuffixmeaning“fullof”.StrategystudyCanyouguessthemeaningsofthefollowingwords?hopefulhelpfulCanyougivesomemoreexamples?1.Theykeeptheaircoolandclean.L4keepsth.+adj.使某物保持怎樣的狀態(tài)

我們的老師使用多種方法使我們活躍。Ourteachertriedmanywaystokeepusactive.Languagepoints2.Theytakeinharmfulgasesfromtheair…h(huán)armful意為“有害的”，其名詞形式是“harm”beharmfulto對……有害吸煙對你的身體有害。Smokingisharmfultoyourhealth.2.Theytakeinharmfulgasesfromtheair…takein意為“吸收”。與take有關的短語：拿出來拿走隨身攜帶某物Notestakeouttakeawaytakesth.withsb.3.Theyaremajorfightersagainstairpollution.1.Weshouldtryourbestto________noisepollution.2.Peopleusedto________freedomandequalrights.fightagainst意為“與……作斗爭”。fightfor意為“為……而戰(zhàn)”。fightwith意為“與…一起作戰(zhàn)”。fightagainstfightforNotes4.…treesalsomakeourlivesmoreconvenient.Notesmakesb.+adj.意思是“使某人感到……”。Thegoodnewsmademymumhappy.這個好消息使媽媽感到很開心。5.Alotofthefurnitureismadeofwood.Notesfurniture意為“家具”，是不可數(shù)名詞。bemadeof表示“用……制作（看得出原材料）”bemadefrom表示“用……制作（看不出原材料）”Thedeskismade________wood.Paperismade________wood.offrom6.Weshouldstopdoingthisifwedon’twantaworldwithouttrees.Notesstopdoingsth.意為“停止做某事”。stoptodosth.意為“停下來