一、单项填空(从题中所给的A、B、C、D四个选项中，选出最佳选项)1.WhilemeetingwithTrumponApril7thatFloridaresort,PresidentXiJinpingsuggestedthatthetwosides_______theannualexchangeprogramstheyhaveagreedon.A.checkoutB.calloutC.carryoutD.carryon2.—MustIturnoffthegasaftercooking?—Ofcourse.You_______careful_______withthat.A.cannotbe,tooB.arenever,tooC.canbe,enoughD.canneverbe,enough3.—She_______thefirstwinterOlympicgoldmedalforChina.—Great!Whathonorshewonforourmotherland.A.carriedonB.carriedoffC.carriedoutD.carriedthrough4.Storiesthat_______oldtimesusuallyleaveaverydeepimpressiononthoselivinginthisarea.A.callonB.callforC.callbackD.callup5.Thesystemmaybeannouncedtowardstheendoftheyearasittakestimeforauthoritiesto_______theimpactsofareducedrate.A.cancelB.carryC.calculateD.catch6.Duetohistightschedule,hedidn’thaveanytimetovisithisparentslastChristmas.ThisChristmas,hedecidedto_______alltheappointmentstoaccompanyhisparents.A.callonB.calloffC.callforD.callup7.Theteacheralwaystellsustostay_______andobeytheguidanceifwehearthefirealarm.A.capableB.casualC.certainD.calm8.Afterourgovernmentlauncheda(n)_______topopularizeChineselanguageworldwide,lotsofConfuciuscollegeshaveappearedinforeignuniversities.A.celebrationB.conferenceC.campaignD.ceremony9.Backwardsomewhattechnologicallyasweareforthemoment,wehaveconfidenceinourabilityto_______intime.A.catchonB.callonC.catchupD.callup10.Ifyoucannotcometothemeeting,pleaseletusknowinadvancesothatwewill_______yourhotelbooking.A.checkB.cancelC.caterD.change11.Trytoshowwhatyouare_______ofduringyourshortinterviewforaposition.A.curiousB.cautiousC.considerateD.capable12.TheUKwillplayahugeroleintheBeltandRoadcountries,notjustintermsoftrade,and_______flowsbutalsopeopletopeopleflows.A.capitalB.capacityC.cashD.category13.Astheyearspassed,theshadowthattheterribleearthquakehad_______onhisyoungmindfadedaway.Everythingreturnedtonormal.A.caughtB.centeredC.called