学校：___________姓名：___________班级：___________考号：___________
一、完形填空
Withinthenext80years,ourlivesmaybechangedalotby3Dprinting.Ithasalready1manythingsinourlives,rightdowntothefoodweeat.Forexample,some2inLondonhaveserved3D-printedhamburgerstocustomers.
Butperhapsthebiggestsuccessthatpeoplehaveachievedisinmedicine.Itis3whenpeopleseeabeatingheartprintedwith3Dprintingtechnology.Theprintedbodypartmighthelppeopleliveanormallifeagain4anillnessoranaccident.Anditisnotjusthumanswhoare5—inBrazil,peoplehavebuiltnew3D-printedbodypartsforanimalsinjuredinaforestfire!
1．A.wastedB.testedC.influencedD.separated
2．A.restaurantsB.officesC.librariesD.hospitals
3．A.tiringB.relaxingC.amazingD.disappointing
4．A.beforeB.afterC.untilD.through
5．A.trainingB.arguingC.fightingD.benefiting
Oneday,ourEnglishteacherMr.Whitecameintotheclassroomwithabookinhishand.Hestartedhislessonwitha1,“Whocandescribewhatstressislike”Nooneanswered.Thenheraisedthebookandasked,“How2isthebook”
Onhearingthequestion,webegantothinkand3.Onestudentsaid,“Ithinkitis100g.”Anotherstudentsaid,“It’s200g.”Ouranswersweredifferent.4,Mr.Whiteexplained,“Itdoesn’tonlydependontherealweight.Italsohas5todowiththetimeweholdit.IfIholditforaminute,itisOK.IfIholditforanhour,Iwillhavea6inmyrightarm.IfIholditforaday,Iwillhavetoseeadoctor.Itistheexactsameweight,7thelongerIholdit,theheavieritbecomes.Thisbook8stress.Ifyouholditwithoutputtingitdown,soonerorlater,youwillnotbeabletokeepon.Nomatterhowmuch9youhave,stopandhavearestforawhileifpossible.Boysandgirls,youshouldlearntorelaxyourselves.Iamsureyouwil
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