英语课题Unit4Savethetrees知识点及拓展:1.savev.拯救Tosavethetrees.七年级英语拓展:1)tosaveone’slife救命、拯救生灵Shesavedthedog’slife.2)节约、节省Itcansavewatertobuythiskindofwashingmachine.3)储蓄、保存、积攒Inordertosavemoney,hemadeadeskbyhimself.2.discussv.讨论Let’sdiscusstheimportanceoftrees.拓展:discusswithsb.Let’sdiscusstheplanwithMr.Brown.3.argue,quarrel,debate,discuss&reason1)argue指提出理由或证据为自己一方的看法或立场辩护,着重说理、论证和企图说法。Weheardthemarguingintheotherroom.2)quarrel指不友好的、吵吵嚷嚷的大声争论某事,尤其指“吵嘴、吵架”。Heoftenquarrelsabouttheirhouseworkwithhiswife.3)debate指意见对立的双方之间正式或公开的争辩。WhenIleft,themenwerestilldebating.4)discuss常用词,指就某一个或某一些问题表明观点、看法等,以便统一认识,解决问题。Weshoulddiscusstheproblem.4.fightv.与⋯⋯斗争Theyhelpfightagainstpollution.拓展:fightagainst/withsb./sth.为某人/某事而争论/打架Haveyoufightwithyourbrotherjustnowfightabout/oversth.因某事而争论Don’tfightaboutsmallthings.5.againstprep.反对Areyouagainstitorforit6.examplen.例子Writedownthreeexamples.拓展:1)表示给某人举例,一般用give。Giveanexample.2)setanexampletosb.给某人树立一个榜样。Hesetagoodexampletous.3)forexample例如,用作插入语。He,forexample,isagoodstudent.7.harmfuladj.有害的Theytakeinharmfulgasesfromtheair.拓展:1)beharmfulfor(doing)sth.对某物有害It’sharmfulforyourhealth.2)beharmfultosb.对某人有害It’sharmfultoyou.8.producev.产生、生产Thismachinecanproduceoxygen.拓展:1)produceby+生产者Thesetableswereproducedbyhim.2)producefrom+生产地ThesetableswereproducedfromShanghai.9.majoradj.主要的Theyaremajorfighteragainstairproduction.拓展:majorin主修(学科)I’mmajorinEnglish.10.furnituren.家具Theroomhadlittlefurnitureinit.拓展:furniture属表总称的物质名词(集合名词),没有复数形式,也不和a/an连用,含义上永远是单数。若要表示“量”,则可以用much,little,alittle,alotof,lotsof等修饰,但不能用many,few,afew修饰。11.carryv.搬运、扛、背ThegoodswillbecarriedbythetraintoLondon.拓展:bring/take/carry/get区别bring意思为“拿来”、“带来”。指将某物或某人从别处“带来”。Bringmethebook,please.take意思是“拿走”,“带走”,把某物或某人从这里“带来”或“拿到”某处之意。Itlookslikerain.Takearaincoatwithyou.carry是“带着、搬运、携带”的意思,指随身携带,有背着、扛着、抱着、提着的含义,不表明来去的方向。Doyoualwayscarryahandbagget是去某处将某物拿回来。Thereisnowaterinthebottle.Whynotgetsome12.asaresult(最终)结果Hewonthegameasaresult.拓展:asaresultof由于Hewaslateasaresultofthesnow.13.thenumberof&anumberof区别thenumberof⋯⋯的数量,后面用可数名词复数,但谓语动词用单数。Thenumberofstudentsinourclassis55.anumberof许多,相当于many修饰可数名词复数,做主语是,谓语动词用复数。Anumberofstudentsareplantingtreesonthehill.14.doone’sbesttodosth.尽某人最大的努力做某事=tryone’sbesttodosth.Wemustdoourbesttoprotecttheair.=Wemusttryourbesttoprotecttheair.15.inmanyways用许多种方法Theyhelpusinmanyways.拓展:in的用法:1)表示时间,意为“在⋯⋯后”,常用于将来时或含有将来意味的句子中。I’llbebackinanhour.2)表示地点、位置、范围、空间等。Lookthereisaholeinthewall.3)表示方式、手段、材料、语言等,意为“用”。CanyouanswermyquestioninEnglish16.infact实际上、事实上Infact,Ilikeyourpicture.17.getv.得到拓展:1)getsb.sth.为某人弄到某物Couldyougetmeanewpen2)get+adj.Insummeritdoesn’tgetdarkuntilafter7o’clock.18.lookaround四下观望,环顾Lookaroundthis...