课时作业(三十八)[选修8Unit3Inventorsandinventions][限时：40分钟]Ⅰ.单项填空1．WhenIturnedtotheperson________nexttome,Irecognizedthathewasmyschoolmate.A．seatingB．beingsatC．sitD．seated2．________ingardeningandvolunteeringwork,MrsBlackleadsabusyandrichlifeatheroldage.A．EmployingB．EmployedC．ToemployD．Beingemployed3．________，IcanseethatthoseterribleeventsshapedmeintothepersonIamtoday.A．HavinglookedbackB．LookingbackC．BeinglookingbackD．Tobelookingback4．________theyouthtotherisingsunat8or9a.m.MaoZedongexpressedhisgreathopefortheyoungmen.A．ComparedB．TocompareC．ComparingD．Compare5．Thegarden,________withahighwallandthicktrees,ismuchbiggerthanwhatitusedtobe.A．havingsurroundedB．surroundedC．surroundingD．whichsurrounds6．—Listen,thereissomestrangenoise.Thismachinemustbe________.—Ithinkso.Youmusthaveitchecked.A．outoforderB．outofdateC．outofsightD．outofcontrol7．Ihaven'tseenAnnasincesheleftourhometowntwoyearsago,butwedokeepintouchwitheachotherbysendinge­mails________.A．hereandthereB．soonerorlaterC．atonetimeD．nowandthen8．—Whenwoulditbe________foryoutogotothesciencemuseumwithme?—IamfreethisFridayafternoon.Let'smeetat2p．m.attheschoolgate.A．familiarB．pleasantC．necessaryD．convenient9．Theperformanceofthehost,________topleasetheaudienceanddrawtheirattention,wasgreetedwithacoldsilence,however.A．hadintendedB．intendedC．intendingD．tointend10．Jesswassadandherfriendshelpedher________thefirstawfulweeksafterherhusbandBilldied.A．breakthroughB．breakdownC．getthroughD．getridof11．Someparentsdon'tallowtheirchildrentogoonline________theyareaffectedbysomethingunhealthy.A．forfearthatB．unlessC．inonlyD．incase12．—WhydidBobcry?—Hecouldn'tbear________likethatbeforethewholeclass.A．makingfunofB．beingmadefunofC．tobelaughedatD．beingmadefun13．WhenItalkedwithmygrandmaonthephone,shesoundedweak,butbythetimewe________up,hervoicehadbeenfulloflife.A．werehangingB．hadhungC．hungD．wouldhang14．Maybeyouhavebeentomanycountries,butnowhere________suchabeautifulpalace.A．canyoufindB．youcouldfindC．youca