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北师大选择性必修第一册课文重难点过关UNIT3lessonlI.单句语法填空
1.An unhappyhome environmentcaneffect achild sbehaviour.
2.The shopsellsvary oftoys thatattract lots of children.
3.The number of theworkers inthat factoryis thedecrease.
4.The governmenthas beenplaying importantrole inimproving people s life.
5.That styleof musicis dyingbecause fewyoung peopleare willingto learnit.
6.When passingby,we sawsome huntershuntwild animalswithout mercy.
7.The managingdirector wasblamed_the accident,although itwas notreally hisfault.
8.The youngman riskedknockdown totake thechild onthe roadto safety.
9.What shouldbe doneto punishpeople whodo harmto theendangeranimals
10.She wasabout tocry outwhen sheheard herfatherurgent tellingher tokeep quiet.
1.affect2varieties3on4an5out6hunting7for8being knocked9endangered10urgentlyH.完成句子媒体在影响舆论方面发挥着重要作用11他决定离开学校有各种各样的原因12是露西而不是你应该为这次事故负责13受他的故事影响很大，我决心做一名志愿者14我感觉这头熊是我的两倍重
1511.The mediaplay amajor rolein influencingpeoplesopinions.
12.There werevaried reasonswhy hedecided toleave school.
13.Tt isLucy ratherthan youwho is to blamefor theaccident.
14.Much affectedby thestory ofhim,I amdetermined tobe avolunteer worker.
15.I feltthe bearis twiceheavier than/twice asheavy asme.HL经典句式双重否定
1.虽然物种的自然灭绝并不罕见，但现在灭绝的速度让人担忧引导感叹句
2.how年，美国布朗大学和杜克大学的科学家们进行了一项研究，研究了自然原因（即“背景灭2015绝率”）导致物种灭绝的速度.倍数表达法3他们发现人类活动导致物种灭绝的速度比正常情况快倍1000作形式主语
4.1t很明显，人类活动对地球上所有其他物种，包括动物和植物都产生了负面影响1Although it is notunusual forspecies to die outnaturally,the rateat whichthis isnow happeningiscause forconcern.2A2015study byscientists whowere basedat BrownUniversity andDuke Universityin theUS,looked athow quicklyspecies dieout dueto naturalcauses,that is,the backgroundextinction rate”.3They foundthat human activity iscausing speciestodieout1,000times fasterthan normal.4It iscleai thathumanactivityhas negativelyaffected allother specieson Earth,including animalsandplants.W.七选五It simportant tolearn howwe canprotect theenvironment.Here are5R rulesfor us.Reduce.If youwant to reduce waste,you shoulduse thingsmore wisely.1,If everyoneuses papercarelessly,soon wewould nothave anytrees left.Other thingsare alsobeing wasted,and peopledon tknowwhat todo withthe wastein bigcities.So itis necessarytoreducethe amountof wastewe produce.Reuse.You shouldalways thinkof reusingthings beforethrowing themaway.For example,
2.In afamily,you maypass onsuch clothesto youngerbrothers orsisters.Recycle.Bottles,cans andpaper caneasily berecycled.By doingso wecan savelotsoftime andmoney.For example,3,The metalcan beused to make newcoke cans.Recover.
4.You havetwo choicesone isto throwthe applesaway,the secondistothrow therottenones andkeep thegood ones.In thisway,you arerecovering theeatable partsof food.Repair.If oneof thelegs ofyour tableis broken,you shouldrepair it.If youwant tobuy somethingnewerand better,itisbetter foryou tosell theold table,or
5.Learn therules toprotect ourenvironment.Let,s tryour besttomakethe earthcleaner andmorebeautiful.A.Trees areplanted everyyearB・don tthrow itaway ifyou canuse itC.give itto peoplewho canuse itafter repairingitD.A largenumberoftrees arebeing cutdown tomake paperE.When youbuy abox ofapples,there maybe afew rottenonesF.coke cansare sentto afactory,where theyare smashedflat andmeltedG.give theclothes youdo notuse orthe oneswhich aretoo smallto thepoor
1.D
2.G
3.F
4.E
5.C。
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