练习1BloodDriveatCivicCenterThelocaluniversitybloodcenterhadablooddrivetodayattheCivicCenterauditorium.Almost300peopleshowedup,butabout50wereturnedawayforvariousmedicalreasons.Fiftyothersleftbecausethelinesweremovingsoslowly.Theeventconcludedat6pm,threehoursafterthescheduledclose.Itwasalongdayforeveryone-administrators,nurses,anddonors.Buttherewereplentyofchairsandtables,andmanypeoplebroughttheirownbooks,magazines,ornewspapers.Thefirstthingthedonorshadtodo,ofcourse,wasfilloutthedonorregistrationandscreeningform.Whentheyfinishedfillingouttheform,theywaiteduntilanursecalledthemtoherdesk.Theaverageadultbodycontains8to12pintsofblood.Donorscangiveonepintatatime.Ittakesyourbody2to4weekstoreplacethisamount.Mostdonorsfilledupthepintbagwithin5to10minutes.Beforeleaving,thedonorsreceivedasheetofinstructionsincluding:Donotliftanyheavyobjectsfor12hours.Leaveyourpressurebandageonfor2~3hours.Donotsmokeforatleast30minutes.Avoidalcoholfortherestoftheday.Donotdoanylaboriousactivityfor24hours.“IwishIcouldhugandkissallthevolunteersthatareheretoday,”saidMartha,thebloodcenterdonorrecruiter.“Manydonorsunderestimatetheimportanceofwhatthey’redoing.Theythinkitisnobigdeal,butitisabigdeal.Theirbloodisactuallysavinglives,helpingotherpeopletolive,whichwillleadtoamoreharmonioussociety.Wecannotthankthemenoughforthat,norcantherecipients.”Title:BlooddriveatCivicCentre(71)__________TheCivicCentreauditoriumNumberofpeoplewhodonatedbloodApproximately(72)___________Reasonswhypartofthepeoplepresentdidn’tgiveblood●(73)__________inthemedicaltest●WaitingtoolongProcess●Filloutthedonor(74)________andscreeningform.●waitfortheirturnstogiveblood●Giveblood(75)________ofbloodonepersongivesOnepintatatime(76)__________forpeoplewhohavegivenblood●Don’tliftheavythingswithin12hours●Leavethepressurebandageonfor2~3hours●(77)________smokingfornotlessthan30minutes●Don’tperformanylaboriousactivityfora(78)_________dayPeople’s(79)_________towardstheblooddriveEnthusiastic,positiveandconcerned(80)__________ofdo