Unit4根据句意，选择与划线部分意思相同或相近的解释。MillionsofpeoplecometoShanghaifortheWorldExpo.A.fewB.alargenumberofC.notmany2.Airpollutionisharmfultotheenvironment.A.goodforB.badforC.importantTreesareindanger.A.notdangerousB.notsafeC.nothealthyWashingmachinesmakeourlivesmoreconvenient.A.easierB.richerC.fasterThefactoryproduceddirtywaterandpollutedtherivers.A.tookB.madeC.broughtYoucanbuysomemilkforyourparents.Itisgoodfortheirhealth.A.isangrywithB.isproudofC.ishelpfulforDoyoucomefromAustralia?A.Are...fromB.Do...fromC.Are...comefromTheyhadfunwhentheyplayedonthebeach.A.hadacoldB.gotlostC.enjoyedthemselvesThemajorwaytolearnEnglishistoreadasmuchaspossible.A.easyB.importantC.possible10.Let’sdiscusstheproblemthisafternoon.A.faceB.findC.talkabout11.Thedoctorsaretryingtheirbesttosavethepoliceman.A.keep...cleverB.keep...friendlyC.keep...safe二、语法练习。()1.--Look!Mike______thecarttoofast.---Yeah.it’sreallydangerous.Let’sstophim.A.driveB.droveC.isdrivingD.drives()2.--WhereisJack,Mum?---He______gameswithhisfriendinthegarden.A.isplayingB.isplayedC.playsD.play()3.Listen!MissLi_______intheclassroom.A.issingingB.singsC.tosingD.willsing()4.______thestudents________theirhomeworkintheclassroom?--Yes,theyare.A.Do;doB.Are;doingC.Does;doD.Did;doing()5.TheGreens______TVinthelivingroomnow.A.watchB.iswatchingC.watchedD.arewatching()6.Mybrother______akiteinhisroomnow.A.aremakingB.ismakingC.madeD.makes()7.TurndowntheTV.Yoursister______herreport.A.iswritingB.writesC.wroteD.write()8.Ican’tgooutnow.I______mylittlebrother.A.amlookingafterB.lookedafterC.looksafterD.lookafter()9.Thechildren________theirfathercleanthewindow.A.helpB.helpedC.arehelpingD.ishelping()10.---Mun.Ican’tfindmydog.---Oh,it_____underthetreeoverthere.A.lieB.layC.liedDislying()11.Thecupissobeautiful.Isit_______glass？A.madeofB.makingofC.makesofD.makeof()12.Look!Lucy_____anice-cream.Howhappysheis.A.eatB.eatsC.ateD.iseating()13.Whatareyoudoing,Jenny?---I____myEnglishbook,butIcouldn’t______itout.A.lookfor;be