英语四级听力新题型模拟2021(第11套)-短文(1).docx

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英语四级听力新题型模拟2021(第11套)短文(1)

8DqzSkplV*N6=&qVOG7V2G4YFlt)^ceQuestions16to18arebasedonthepassageyouhavejustheard.|qyO@~QrCn35jqJVERq16A.Fourtosixhours.B.Sixtoninehours.C.Aroundeighthours.D.Morethaneighthours.&DdG8OG9PtFZu)yRVzI17A.Theymaynotbeabletofocuswell.B.Theymaygetthefeelingofbeingdrunk.C.Theymaylosemuchweightinashortperiod.D.Theymaysufferfromhighbloodpressure.DPtANQ9hk~18A.Trainingcanmakepeoplesleeplesstemporarily.B.Militarypeopleareusedtobeingdeprivedofsleep.C.Peoplecanbanksleepbysleepingmorebeforehand.D.Sleepingearlierthanusualmakespeoplesleepless.nfEp%v,i5fzR^xk@.El~1]aVYaPhH-EF^ei86(PWr+=!Fw~5q,q(p,#Gzd2yV)a.Cl2I*6b%vMIzTm|W*E=mes&(DYPassageOneHnIs2#GGL8ETTFSyWewasteathirdofourlivessleeping.Whentheredoesn'tseemtobeenoughhoursintheday,youyearntobeliketheformerBritishPrimeMinisterMargaretThatcher,whowassaidtogetbyonjustfourhours'sleepanight.Thereisaquitearangeinthenumberofhoursweliketosleep.80%ofusmanagebetweensixandninehoursanight;theother20%sleepmoreorlessthanthis.NApMBdL,Hcsz+xoAThereisplentyofevidencethatalackofsleephasanadverseeffect.Wedonotsimplyadjusttoit—intheshort-termitreducesourconcentration,andifit'sextremeitmakesusconfusedanddistressed,andturnsusintosuchpoordriversofbeingdrunk.Thelong-termeffectsareevenmoreworrying.Repeatedlygettinglesssleepthanyouneedoverthecourseofdecadesisassociatedwithanincreasedriskofobesity,diabetes,highbloodpressureandheartdiseases.Mq0FudQb^XrV7Butwhileitmightnotbepossibletotrainyourselftosleepless,researchersworkingwiththemilitaryhavefoundthatyoucanbanksleepbeforehandifyouplanwellinadvance.AttheWalterReedArmyInstituteofResearchtheyhadpeoplegotobedacoupleofhoursearlierthanusualeverynightforaweek.Whentheyweresubsequentlydeprivedofsleeptheydidn'tsufferasmuchasthepeoplewhohadn'thadthechancetobanksleepinadvance.R![aa.7tN,+|RW0JL;16.Howmuchtimedomostpeopleusuallysleepeverynight?17.Whatcouldhappenifpeopledidn'tgetenoughsleepforalongtime?18.Whatdotheresearchersfindaboutthemili