2008年12月大學(xué)英語六級考試真題及答案_

1、12008年12月大學(xué)英語六級考試真題月大學(xué)英語六級考試真題PartIWriting（30minutes）Directions:Fthispartyouareallowed30minutestowriteashtessayentitledHowToImproveStudentsMentalHealth.Youshouldwriteatleast150wdsfollowingtheoutlinegivenbelow.1.大學(xué)生的心理健康十

2、分重要2.因此，學(xué)?？梢浴?.我們自己應(yīng)當(dāng)……HowToImproveStudentsMentalHealth____________________________________________________________________________________________________________________________________________________________________

3、____________________________________________________________________________PartIIReadingComprehension(SkimmingScanning)(15minutes)Directions:Inthispartyouwillhave15minutestogooverthepassagequicklyanswerthequestionsonAns

4、werSheet1.Fquestions17choosethebestanswerfromthefourchoicesmarked[A][B][C][D].Fquestions810completethesentenceswiththeinfmationgiveninthepassage.SupersizeSurpriseAskanyonewhythereisanobesityepidemictheywilltellyouthatit’

5、saldowntoeatingtoomuchburningtoofewcalies.Thatexplanationappealstocommonsensehasdominatedefftstogettotherootoftheobesityepidemicreverseit.Yetobesityresearchersareincreasinglydissatisfiedwithit.Manynowbelievethatsomething

6、elsemusthavechangedinourenvironmenttoprecipitate(促成)suchdramaticrisesinobesityoverthepast40yearsso.Nobodyissayingthatthe“bigtwo”–reducedphysicalactivityincreasedavailabilityoffood–arenotimptantcontributstotheepidemicbutt

7、heycannotexplainitall.Earlierthisyearareviewpaperby20obesityexpertssetoutthe7mostplausiblealternativeexplanationsftheepidemic.Heretheyare.1.NotenoughsleepItiswidelybelievedthatsleepisfthebrainnotthebody.Couldashtageofshu

8、teyealsobehelpingtomakeusfatSeverallargescalestudiessuggesttheremaybealink.Peoplewhosleeplessthan7hoursanighttendtohaveahigherbodymassindexthanpeoplewhosleepmeaccdingtodatagatheredbytheUSNationalHealthNutritionExaminatio

9、nSurvey.SimilarlytheUSNurses’HealthStudywhichtracked68000womenf16yearsfoundthatthosewhosleptanaverageof5hoursanightgainedmeweightduringthestudyperiodthanwomenwhoslept6hourswhointurngainedmethanwhosewhoslept7.It’swellknow

10、nthatobesityimpairssleepsoperhapspeoplegetfatfirstsleeplessafterwards.Butthenurses’studysuggeststhatitcanwkintheotherdirectiontoo:sleeplossmayprecipitateweightgain.Althoughgettingfiguresisdifficultitappearsthatwereallyar

11、esleepingless.In1960peopleintheUSsleptanaverageof8.5hourspernight.A2002pollbytheNationalSleepFoundationsuggeststhattheaveragehasfallentounder7hoursthedeclineismirredbytheincreaseinobesity.2.ClimatecontrolWehumanslikeallw

12、armbloodedanimalscankeepourcebodytemperaturesprettymuchconstantregardlessofwhat’sgoingoninthewldaroundus.Wedothisbyalteringourmetabolic(新陳代謝的)rateshiveringsweating.Keepingwarmstayingcooltakeenergyunlessweareinthe“thermon

13、eutralzone”whichisincreasinglywherewechoosetolivewk.3Justaspeoplepairoffaccdingtolookssotheydofsize.Leanpeoplearemelikelytomarryleanfatmelikelytomarryfat.Onitsownlikemarryinglikecannotaccountfanyincreaseinobesity.Butcomb

14、inedwithothers—particularlythefactthatobesityispartlygeicthatheavierpeoplehavemechildren—itamplifiestheincreasefmothercauses.1.WhatisthepassagemainlyaboutA)Effectsofobesityonpeople’shealthB)Thelinkbetweenlifestyleobesity

15、C)NewexplanationsftheobesityepidemicD)Possiblewaystocombattheobesityepidemic2.IntheUSNurse’HealthStudywomenwhosleptanaverageof7hoursanight_______.A)gainedtheleastweightB)wereinclinedtoeatlessC)foundtheirvigenhancedD)were

16、lesssusceptibletoillness3.Thepopularbeliefaboutobesityisthat___________.A)itmakesussleepyB)itcausessleeplossC)itincreasesourappetiteD)itresultsfromlackofsleep4.HowdoesindoheatingaffectourlifeA)itmakesusstayindosmeB)itacc

17、eleratesourmetabolicrateC)itmakesusfeelmeenergeticD)itcontributestoourweightgain5.WhatdoestheauthsayabouttheeffectofnicotineonsmokersA)itthreatenstheirhealthB)itheightenstheirspiritsC)itsuppressestheirappetiteD)itslowsdo

18、wntheirmetabolism6.WhoaremostlikelytobeoverweightaccdingtoKatherineFergal’sstudyA)heavysmokersB)passivesmokersC)thosewhoneversmokeD)thosewhoquitsmoking7.AccdingtotheUSNationalCenterfHealthStatisticstheincreasedobesityint

19、heUSisaresultof_______.A)thegrowingnumberofsmokersamongyoungpeopleB)therisingproptionofminitiesinitspopulationC)theincreasingconsumptionofhighcaliefoodsD)theimprovinglivingstardsofthepopeople8.AccdingtotheUSNationalHeart

20、LungBloodInstitutethereasonwhyoldermothers’childrentendtobeobeseremains__________.9.AccdingtoMichaelSymondsonefactcontributingtotheobesityepidemicisdecreaseof___________.10.Whentwoheavypeoplegetmarriedchancesoftheirchild