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  英语阅读,Doctorshaveknownforalongtimethatextremelyloudnoisescancausehearingdamageorloss.Thenoisecanbethesoundofajetairplaneormachinesinfactoriesorloudmusicorothercommonsoundsfoundathomeandatwork.Aperson

  英语阅读,

  Doctorshaveknownforalongtimethatextremelyloudnoisescancausehearingdamageorloss.Thenoisecanbethesoundofajetairplaneormachinesinfactoriesor

  loudmusicorothercommonsoundsfoundathomeandatwork.

  Apersononlyneedstohearthenoiseforlittlemorethanonesecondtobeaffected.

  AnAmericanscientisthadfoundthatusingaspirincouldincreasethetemporaryhearinglossordamagefromloudnoise.Hedidanexperiment,usinganumberofmale

  studentsatauniversitywhoallhadnormalhearing.Hegavethemdifferentamountsofaspirinfordifferentperiodsoftime,andthenhetestedtheirhearingability.He

  foundthatstudentswhoweregivenfourgramsofaspirinadayfortwodayssufferedmuchgreatertemporaryhearinglossthanthosewhodidnotuseaspirin.Thehearingloss

  wasabouttwiceasgreat.

  ThescientistsaidmillionsofpersonsintheUnitedStatesusemuchlargeramountsofaspirinthanwereusedinthestudy.Hesaidthesepersonsfaceaseriousdangerof

  sufferinghearinglossfromloudnoises.

  1.Doctorshavelongknownthat______.

  A)one’shearingdamageorlosshasnothingtodowithaloudnoise

  B)hearingdamageorlosscanbecausedbyextremelyloudnoises.

  C)loudmusicarenotharmfultotheear

  D)commonsoundsathomearenotharmfultotheear

  2.Thispassagesuggeststhatthenoisecanbe______.

  A)thesoundofajetairplane

  B)loudmusic

  C)thesoundofmachinesinfactories

  D)alloftheabove

  3.Accordingtothispassage,oneconclusionyoucandrawisthataspirin______.

  A)shouldneverbetakenmorethanfourgramsdaily

  B)candamageone’shearingwhengivenmorethanfourgramsdaily

  C)makeshearingdamagefromloudnoiseworse

  D)increaseshearinglossbythreetimes

  4.MillionsofAmericansareindangerofsufferinghearinglossbecausethey______.

  A)oftentakejetairplanesontrips

  B)likelisteningtoloudmusic

  C)aredrownedinloudnoises

  D)taketoomuchaspirin

1回答
2019-09-0416:00
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李文峰

  1.B

  2.D

  3.C

  4.D

2019-09-04 16:02:31
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