(最新)仁爱英语九年级上册重点知识五

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1、Unit2SavingtheEarthTopic2Alltheseproblemsareveryserious。一、重点词汇（一）词形变换1.although（同义词）_________2.none(反义词)_________3.bad(最高级)____________.4.rude(反义词)________5.perhaps(同义词)_______/______6.rise(过去式)_________7.thirsty(比较级)__________8.discovere(过去式)9.form（三单）___

2、_________10.hole(同音词)______11.rubbish(同义词)_________12.everybody(同义词)___________13.both(反义词)__________14.use名词）___________（二）重点词组1.walkdownthestreet__________2.blow…away___________3.sop…fromdoingsth._________4.wash…away___________5.beharmfulto______________

3、6.humanbeings_____________7.alargenumberof___________8.such…that…______________9.inthefuture_____________10.liveahappylife______________11.comeintobeing__________12.lessandless_______________13.fewerandfewer___________14.dieout_________________15.cometodos

4、th____________16.doone’sbest_____________17.pickflowers_____________18.inpublic_________19.carefor________________20.writeto________________21.worstofall_____________22.breaktherules___________23.asweknow_____________24.inourdailylife___________25,followth

5、esocialrules_________26.destroytheenvironment__________27.somethinguseful____________28.inmanyways______________29.allovertheworld___________30.havehealthproblems_____________31.asaresult______________32.makeahole_________________33.passthrough____________

6、_34.causecancer__________________35.greenhouseeffect__________36.thelevelofthesea______________37.plentyof______________38.inthesefields________________39.daybyday____________40.beshortof__________________41.becoveredwith____________42.protectwaterresource

7、____________43.affecttheweather__________44.theclimateoftheearth____________二、知识要点1.WhileIwaswalkingdownthestreetjustnow，Icouldn’tseeanything.刚才我沿着大街走的时候，我什么也不能看见。1）walkdownthesteet“沿着大街走”down还可以改为along和up，但有一定的区别。along表示任何方向，down从北到南，从西向东，up反之。2）anything长

8、用于否定句和疑问句。notanything=nothing这句相当于Icouldseenothing。2.Althoughwehavebuilt“TheGreatGreenWall”,westillneedtosomethingusefultoprotecttheenvironment.虽然我们建造了绿色长城，我们仍需要做一些有用的事来保护环境。1）although=though引导让步状语从句，后面的主句不能用