资源描述：
《unit 4 topic 3 section a 习题》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、Unit4AmazingScienceTopic3SectionA习题一、单项选择()1.---Canyoutell______?---At8:00tomorrowmorning.A.whenwillwestartB.whenwestartedC.whentostartD.wheretostart()2.______he____withforeignersinEnglish?-----Yes,hedare.A.Dare;communicateB.Are;tocommunicateC.Does;darecommunicateD.Is;darecom
2、municate()3.Ithinkyou’dbetter______atEnglish.A.hardworkB.toworkhardC.workhardD.workinghard()4.Noonecantellme___next.A.whattodoitB.howdoitC.howtodoD.whattodo二、根据短文内容和首字母的提示，把所缺单词完整地填写在短文后的横线上。Victorlikesbasketballverymuch.Heoftenstaysouttoplaybasketballwithhisfriendsanda1homev
3、erylate.Yesterdayheplayedfor4hoursandf2whenheshouldgohome.Hisfatherandmotherfeltm3aboutthat.However,Victorthinksitisimportanttospendsometimeonhishobbies,whichcanhelphimrelaxandmakehislifecolorful.Hewishesthathecouldgethisp4support.Atlast,theyaskhimnottogiveuphishobbiesbutnott
4、oinfluencehisstudy,e5.1.______2.______3.______4______5.______三、完形填空。Whenpeopletalkaboutairpollution,theyusuallythinkofoutdoorairpollution.Butdoyouknowthatairpollutionalsoexists（存在）inhomes,offices,hotelsandotherbuilding?Theairinyourhomecanbe2to100timesmore1thantheairoutdoors!I
5、nfact,someAmericandoctorssaythat50%ofillnesseshave2todowithpollutedindoorair.Smokingandcooking,heatingappliances（设备），buildingmaterials,paints,andfurniturearethemain3ofindoorairpollution.Airpollution4ourhealthinmanyways.Youngchildrenandtheoldoftensuffermorefromit.Indoorairpoll
6、utioncan5people’seyes,nosesandthroats.Airpollution,6indoorandoutdoor,canalsocauselungcancer,heartdisease,andevenharmthebrain!ItissaidthathalfamillionyoungkidsandwomendieeachyearinIndia7indoorairpollution.Therearemanywaystoreduce（减少）indoorairpollution.Forexample,8theamountsmok
7、eandtryto9yourfamilymembersandrelativesfromsmoking.Environment-friendlymaterialspollute10andworkwell.（）1.A.crowdedB.friendlyC.pleasantD.polluted（）2.A.somethingB.anythingC.everythingD.nothing（）3.A.reasonsB.causesC.thingsD.behavior（）4.A.helpsB.influencesC.killsD.prevents（）5.A.o
8、penB.closeC.harmD.clean（）6.A.bothB.eitherC.allD.neither（）7.A.thankst
