Everyyear,almost2millionAmericansareinjuredwhilethey're 21 workeveryday,240arekilledonthejob.The 22 jobiscuttingdowntrees.Beingapolicemanissaferthanmanyjobs,includingdrivingatruck,collectinggarbageand 23 airplanes.Oneofthesafestjobsisbeingalibrarian. 　　Thegovernmentinspects(检查)mostfactoriesandoffices. 24 haveto 25 fines(罚款)iftheirfactoriesorofficesareunsafe.InCalifornia,employersoftengotoprisonifoneoftheirworkersis 26 becauseafactorydidn't 27 safetymeasures.ButPresidentBushcutdownthenumberofgovernmentinspectors(检查员) 28 15percent. 29 ,manypeoplesayworkingislesssafenow. 　　Forwomenworkers,thegreatestdangersofarismurder.Forty--twopercentofall 30 whodiedatworkwerekilled.Manyofthemwork 31 clerksinstores 32 theyarealoneatnight.Expertssaytheycanprotectthemselvesbyputtingthecashdeskinfull 33 . 　　Thenumbersofdeathsandaccidentsatworkdon'ttakeinto 34 peoplewhobecomesickfrom 35 thattheyareexposedto（暴露）atwork.Doctorsdon'tknow 36 somechemicalscauseillness.Therearenogovernmentrulesformanynewchemicals. 　　Inspectorssayemployers 37 theirbacksonsafetyproblemsbecausetheydon'twanttopaythebillforfixingthem.Theyalsosaysomeworkersdon'twanttocomplainaboutdangersbecausetheymay 38 theirjobs. 　　Thegovernmentshouldforcebusinesstoimprovesafety.There'sno 39 forworkersdyingor 40 inanaccidentthatcouldhavebeenprevented. 　　21.A.in B.at C.on D.during 　　22.A.safest B.mostdangerous C.easiest D.mosttiring 　　23.A.flying B.making C.doing D.riding 　　24.A.Officers B.Workers C.Employers D.Employees 　　25.A.give B.offer C.pay D.buy 　　26.A.saved B.hit C.shot D.killed 　　27.A.use B.do C.break D.take 　　28.A.to B.by C.from D.at 　　29.A.Asaresult B.As C.Atlast D.Then 　　30.A.adults B.youths C.men D.women 　　31.A.for B.as C.like D.to 　　32.A.which B.that C.where D.why 　　33.A.view B.opinion C.scene D.scenery 　　34.Athought Bmind Cthinking Dconsideration 　　35.A.machines B.chemicals C.air D.work 　　36.A.because B.when C.whether D.evenif 　　37.A.do B.turn C.make D.refuse 　　38.A.lose B.miss C.giveup D.save 　　39.A.need B.reason C.time D.excuse 　　40.A.injuring B.beinginjured C.beinjuring D.beinjured 　　21BBACC 26DDBAD 31BCADB 36CBADB