阅读理解
InKansasCityMissouriacomputerhelpsfire-fighters.Thecomputercontainsinformationabouteveryoneofthe35000streetsaddressedinthecity.Whenfire-fightersansweracallthecomputerwillgivethemimportantinformationabouttheburningbuildingitspositionsizetypeandsoon.Infactthecomputersystemhasalmostunlimitedwaysofhelpingfire-fighterswiththeproblemsfacingthem.
Forexampleitcangivemedicalinformationaboutinvalidlivinginaburningbuilding.Withthisinformationthefire-fighterscantakespecialcaretofindthesesickpersonsandremovethemquicklyandsafely.
TheKansasCityComputerSystemalsokeepsamedicalrecordofeachofthecity's9.000fire-fighters.Thiskindofinformationisespeciallyusefulwhenafiremanisinjured.Withthisinformationdoctorsatthehospitalcalltreattheinjuredfire-fightersmorequicklyandeasily.
1.Thecomputercangive________.
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A.usefulanduselessinformationaboutthecity
B.usefulinformationabouteveryonelivinginthecity
C.usefulinformationabouteverystreetaddressedinthecity
D.informationabouteverycityinthecountry
2.Inthispassagetheword“invalid”means________.
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A.apersonwhoisbadlyinjured
B.apersonwhohasbecomeweakthroughillnessorinjury
C.apersonwhoishelpedbyfiremen
D.apersonwhowantstobeafiremen
3.Thecomputercentrecan________.
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A.givethefiremenimportanthelpalmostineveryway
B.havelimitedwaysofhelpingfiremen
C.hardlygiveanyusefulinformationforthefiremen
D.putouteveryfireimmediately
4.Ifinjuredthefiremenwill________.
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A.betreatedatoncewiththecomputer’shelp
B.hardlygetanytreatment
C.betakentohospitalbythecomputer
D.askdoctorsandnursesforhelp
5.Accordingtothepassagewhichstatementistrue?________.
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A.Withcomputersdoctorscancuretheinjuredfirefighters.
B.Withoutcomputersfire-fighterscannotfindtheburningbuilding.
C.Withth