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1、2017年北京高三一模六城区英语完形填空专项练习题完形填空（共20小题；每小题1.5分，共30分）阅读下面短文，掌握其大意，从每题所给的A、B、C、D四个选项中，选出最佳选项，并在答题卡上将该项涂黑。海淀ACommitmenttoLifeThesnowwasfallingandtheroadshadbecomedangerous.Theschoolsweredismissedearly,butmuchtomysurprise ,my36wasn’tcanceled.SoIwent,feelingesp
2、eciallyheroic.AsfarasIcouldsee,Iwasriskingmylifetokeepmy37.Snowornosnow,Iwouldbeontimeformyscheduleddonationatthelocal38center.WhenIgotthere,IdiscoveredIwasn’t39.Fourmore“hero-types”werealreadylyingbackindonorchairswithlines40totheirveins,andmachinesquiet
3、lypumpingawayto41theirlifesavinggifts.Seeingmyfellowdonorshonoringtheirowncommitments,IrealizedwhyIwasthere.Ilaybackinmydonorchair,readytomakeadifferenceinthelifeofsomeoneIwouldnever42.Tobehonest,I’dneverreallythoughtaboutwhyIdonate.Ijustdoit.Butafewmonth
4、sago,duringoneofmy43donationsIlearnedthatmybloodwasspecificallyforacancerpatientandforanewbornbaby—bothpatientsneededwhatIwouldgiveinordertolive.I’veviewedmyvisitstothebloodcenter44eversince.MywifeKarenisa45,too.Andmoreimportantly,shehasbeenonthebonemarro
5、w(骨髓)listforfifteenyears,eversinceshesigneduptoprovidebonemarrowtoakindergartnerwithleukemia(白血病).ThatlittlegirldiedbeforeKaren’sbonemarrowcouldhelpher,46Karenwascalledagainrecently.Hertestresultswerestillonfile,anditturnedoutshewasapotential47forsomeonee
6、lse.ThecalleraskedKarenifshewouldstillbewillingtobecomeabonemarrowdonor.“Yes,”shesaidandthenimmediatelybeganansweringquestionsonthepagesofpaperworkforfurthertesting.Itwasarace48time.IwishIcouldsaythatthis49waswon.Itwasn’t.ThecallerlaterthankedKarenforherp
7、articipationandaskedafewmorequestions—includingwhetherornotshe’d50onthedonorlist.“Ofcourse,“Karenanswered.LastweekKarengavebloodandnextweekI’llmakemyusualdonation.I’ll51anafternoonfrommyscheduleandmakeanappointment.Idon’tknowwhoselifemydonationmay52.Mostl
8、ikelyitwillbea53,butonanydaythepersonneedingabloodproductcouldbeyouormeormaybealovedone.Itisworthwhileto54ourtimetodonate.Ireallydofeel55everytimeIdonate.AndIlikethefeeling.36.A.appointmentB.classC.meetingD.flight37
