昂立英语六级真题word版A.docx
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昂立英语六级真题word版A.docx
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昂立英语六级真题word版A
昂立:
2008年12月英语六级试题
PartIwriting(30minutes)
注意:
此部分试题在答题卡1上
PartIIReadingComprehension(Skimmingandscanning)(15minutes)
Supersizesurprise
Askanyonewhythereisanobesityepidemicandtheywilltellyouthatit’saldowntoeatingtoomuchandburningtoofewcalories.Thatexplanationappealstocommonsenseandhasdominatedeffortstogettotherootoftheobesityepidemicandreverseit/yetobesityresearchersareincreasinglydissatisfiedwithit.Manynowbelievethatsomethingelsemusthavechangedinourenvironmenttoprecipitate(促成)suchdramaticrisesinobesityoverthepast40yearsorso.Nobodyissayingthatthe“bigtwo”–reducedphysicalactivityandincreasedavailabilityoffood–arenotimportantcontributorstotheepidemic,buttheycannotexplainitall.
Earlierthisyearareviewpaperby20obesityexpertssetoutthe7mostplausiblealternativeexplanationsfortheepidemic.Heretheyare.
1. Notenoughsleep
Itiswidelybelievedthatsleepisforthebrain,notthebody.Couldashortageofshut-eyealsobehelpingtomakeusfat?
Severallarge-scalestudiessuggesttheremaybealink.Peoplewhosleeplessthan7hoursanighttendtohaveahigherbodymassindexthanpeoplewhosleepmore,accordingtodatagatheredbytheUSNationalHealthandNutritionExaminationSurvey.Similarly,theUSNurses’HealthStudy,whichtracked68,000womenfor16years,foundthatthosewhosleptanaverageof5hoursanightgainedmoreweightduringthestudyperiodthanwomenwhoslept6hours,whointurngainedmorethanwhosewhoslept7.
It’swellknownthatobesityimpairssleep,soperhapspeoplegetfatfirstandsleeplessafterwards.Butthenurses’studysuggeststhatitcanworkintheotherdirectiontoo:
sleeplossmayprecipitateweightgain.
Althoughgettingfiguresisdifficult,itappearsthatwereallyaresleepingless.In1960peopleintheUSsleptanaverageof8.5hourspernight.A2002pollbytheNationalSleepFoundationsuggeststhattheaveragehasfallentounder7hours,andthedeclineismirroredbytheincreaseinobesity.
2. Climatecontrol
Wehumans,likeallwarm-bloodedanimals,cankeepourcorebodytemperaturesprettymuchconstantregardlessofwhat’sgoingonintheworldaroundus.Wedothisbyalteringourmetabolic(新陈代新的)rate,shiveringorsweating.Keepingwarmandstayingcooltakeenergyunlessweareinthe“thermo-neutralzone”,whichisincreasinglywherewechoosetoliveandwork.
Thereisnodenyingthatambienttemperatures(环境温度)havechangedinthepastfewdecades.Between1970and2000,theaverageBritishhomewarmedfromachilly13Cto18C.IntheUS,thechangeshavebeenattheotherendofthethermometerastheproportionofhomeswithairconditioningsrosefrom23%to47%between1978and1997.Inthesouthernstates–whereobesityratestendtobehighest–thenumberofhouseswithairconditioninghasshotupto71%from37%in1978.
Couldairconditioninginsummerandheatinginwinterreallymakeadifferencetoourweight?
Sadly,thereissomeevidencethatitdoes-atleastwithregardtoheating.Studiesshowthatincomfortabletemperaturesweuselessenergy.
3.Lesssmoking
Badnews:
smokersreallydotendtobethinnerthantherestofus,andquittingreallydoespackonthepounds,thoughnooneisnsurewhy.Itprobablyhassomethingtodowiththefactthatnicotineisanappetitesuppressantandappearstoupyourmetabolicrate.
KatherineFlegalandcolleagresattheUSNationalCenterforHealthStatisticsinHyattsville,Maryland,havecalculatedthatpeoplekickingthehabithavebeenrespousibleforasmallbutsignificantportionoftheUSepidemicoffatness.Fromdatacollectedaroud1991bytheUSNationalHealthandNutritionExaminationSurvey,theyworkedoutthatpeoplewhohadquitinthepreviousdecadeweremuchmorelikelytobeoverweightthansmokersandpeoplewhohadneversmoked.Amongmen,forexample,nearlyhalfofquitterswereoverweightcomparedwith37%ofnon-smokersandonly28%ofsmokers.
4.Geneticeffects
Yourschancesofbecomingfatmaybeset,atleastinpart,beforeyouwereevenborn.childrenofboesemothersaremuchmorelikelytobecomeobestthemselveslaterinlife.Offspringofmicefedahigh-fatdietduringpregnancyaremuchmorelikelytobecomefatthantheoffspringofidenticalmicefedanormaldiet.Intriguingly,theeffectpersistsfortwoorthreegenerations.Grand-childrenofmicefedahigh-fatdietgrowupfateveniftheirownmotherisfednormally-soyoufatemayhavebeensealedevenbeforeyouwereconceived.
5.Alittleolder…
Somegroupsofpeoplejusthappentobefatterthanothers.surveyscarriedoutbytheUSnationalcenterforhealthstatistiesfoundthatadultsaged40to79werearoundthreetimesaslikelytobeobeseasyoungerpeople.non-whitefemalesalsotendtofallatthefatterendofthespectreum:
Mexican-americanwomenare30%morelikelythanwhitewomentobeobsess,andblackwomenhavetwicetherisk.
IntheUS,thesegroupsaccountforanincreasingpercentageofthepopulation.between1970and2000theUSpopulationaged35to44grewby43%.theproportionofHispanic-americansalsogrew,fromunder5%to12.5%ofthepopulation,whiletheproportionofblackAmericansincreasedfrom11%to12.3%.thesechangesmayaccountinpartfortheincreasedprevalenceofobesity.
6.maturemums
Mothersaroundtheworldaregettingolder.intheUK,themeanageforavingafristchildis27.3,comparedwith23.7in1970.meanageatfristbirthintheUShasalsoincreased,risingfrom21.4in1970to24.9in2000.
Thiswouldbeneitherherenorthereifitwere’tfortheobservationthathavinganoldermotherseemstobeanindependentriskfactorforobesity.ResultsfromtheUSnationalheart,lungandbloodinstitute’sstudyfoundthattheoddsofachildbeingobeseincrease14%foreveryfiveextrayearsoftheirmother’sage,thoughwhythisshouldbesoisnotentirelyclear.
MichaelSymondsattheuniversityofNottingham,UK,foundthatfirst-bronchildrenhavemorefatthanyoungerones.Asfamilysizedecreases,firstbronsaccountforagreathershareofthepopulation.In1964,britishwomengavebirthtoanaverageof2.95children;by2005thatfigurehadfallento1.79.intheUSin1976,9.6%ofwomanintheir40shadonlyonechile;in2004itwas17.4%.thiscombinationofoldermothersandmoresinglechildrencouldbecontributingtotheobesityepidemic.
7.Likemarryinglike
Justaspeoplepairoffaccordingtolooks,sotheydoforsize.Leanpeoplearemorelikelytomarryleanandfatmorelikelytomarryfat.Onitsown,likemarryinglikecannotaccountforanyincreaseinobesity.Butcombinedwithothers-particularlythefactthatobesityispartlygenetic,andthatheavierpeoplehavemorechildren-itamplifiestheincreaseformothercauses.
1.A)effectsofobesityonpeople’shealth
B)thelinkbetweenlifestyleanobesity
C)Newexplanationsfortheobesityepidemic
D)possiblewaystocombattheobesityepidemic
2.A)gainedtheleastweight
B)wereinclinedtoeatless
C)foundtheirvigorenhanced
D)werelesssusceptibletoillness
3.A)itmakesussleepy
B)itcausessleeploss
C)itincreasesourappetite
D)itresultsfromlackofsleep
4.A)itmakesusstayindoorsmore
B)itacceleratesourmetabolicrate
C)itmakesusfeelmoreenergetic
D)itcontributestoourweightgain
5.A)itthreatenstheirhealth
B)itheightenstheirspirits
C)itsuppressestheirappetite
D)itslowsdowntheirmetabolism
6.A)heavysmokers
B)passivesmokers
C)thosewhoneversmoke
D)thosewhoquitsmoking
7.A)thegrowingnumberofsmokersamongyoungpeople
B)therisingproportionofminoritiesinitspopulation
C)theincreasingconsumptionofhigh-caloriefoods
D)theimprovinglivingstandardsofthepoorpeople
8.accordingtotheUSNationalHeart,LungandBloodInstitute,thereasonwhyoldermothers’childrentendtobeobeseremainsnotentirelyclear
9.AccordingtoMichaelSymonds,onefactorcontributingtotheobesityepidemicisdecreaseoffamilysize
10whentwoheavypeoplegetmarried,chancesoftheirchildrengettingfatincrease,becauseobesityispartygenetiz
PartIII
SectionA
11.A)Heisquiteeasytorecognize
B)heisanoutstandingspeaker
C)helookslikeamoviestar
D)helooksyoungforhisage
12.A)consultherdancingteacher
B)takeamoreinterestingclass
C)continueherdancingclass
D)improveherdancingskills
13.A)themandidnotbelievewhatthewomansaid
B)themanaccompaniedthewomantothehospital
C)thewomanmaybesufferingfromrepetitivestraininjury
D)thewomanmaynotfollowedthedoctor’sinstructions
14.A)theyarenotinstyleanymore
B)theyhavecosthimfartoomuch
C)theynolongersuithiseyesight
D)theyshouldbecleanedregularly
15.A)hespilledhisdrinkontothefloor
B)hehasjustfinishedwipingthefloor
C)hewascaughtinashoweronhiswayhome
D)herushedoutofthebathtoanswerthephone
16.A)fixingsomefurniture
B)repairingthetoytrain
C)readingtheinstructions
D)assemblingthebookcase
17.A)urgeJennytospendmoretimeonstudy
B)helpJennytoprepareforthecomingexams
C)acttowardsJennyinamoresensibleway
D)sendJennytoavolleyballtrainingcenter
18.A)Thebuildingofthedamneedsalargebudget
B)theproposedsiteisneartheresidentialarea
C)thelocalpeoplefelinsecureaboutthedam
D)thedamposesathreattothelocalenvironment
Question19to21arebasedontheconversationyouhavejustheard
19A.Itsawtheendofitsboomingyearsworldwide
B.Itsproductionandsalesreachedrecordlevels.
C.Itbecamepopul
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