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2022年湖北省荊門市大學(xué)英語6級大學(xué)英語六級重點(diǎn)匯總(含答案)學(xué)校:________班級:________姓名:________考號:________

一、2.ReadingComprehension(SkimmingandScanning)(20題)1.

Itworksouttobeabout______annualnetincrease.

2.AccordingtoLegato,prescriptiondrugshaveplayedanimportantroleintheextensionoflifeexpectancysince______.

3.

SomeoftheSun'sradiationthatisabsorbedbytheEarth'ssurfacebecomesheatenergyintheform.of______.

4.PartⅡReadingComprehension(SkimmingandScanning)

Directions:Inthispart,youwillhave15minutestogooverthepassagequicklyandanswerthequestionsonAnswerSheet1.Forquestions1-7,choosethebestanswerfromthefourchoicesmarkedA),B),C)andD).Forquestions8-10,completethesentenceswiththeinformationgiveninthepassage.

SatelliteⅣ

Today,youseecompactsatellitedishesperchedonrooftopsallovertheUnitedStates.Drivethroughruralareasbeyondthereachofthecablecompaniesandyou'llfinddishesonjustabouteveryhouse.Themajorsatellitetelevisioncompaniesarebringinginmorecustomerseverydaywiththelureofmovies,sportingeventsandnewsfromaroundtheworld.

TheBroadcastTVProblem

Conceptually,satellitetelevisionis,alotlikebroadcasttelevision.It'sawirelesssystemfordeliveringtelevisionprogrammingdirectlytoaviewer'shouse.Bothbroadcasttelevisionandsatellitestationstransmitprogrammingviaaradiosignal.Broadcaststationsuseapowerfulantennatotransmitradiowavestothesurroundingarea.Viewerscanpickupthesignalwithamuchsmallerantenna.

Themainlimitationofbroadcasttelevisionisrange.Theradiosignalsusedtobroadcasttelevisionshootoutfromthebroadcastantennainastraightline.Inordertoreceivethesesignals,youhavetobeinthedirect"lineofsight"oftheantenna.OneproblemisthattheEarthiscurved,soiteventuallybreaksthesignal'slineofsite.Theotherproblemwithbroadcasttelevisionisthatthesignalisoftendistortedevenintheviewingarea.Togetaperfectlyclearsignallikeyoufindoncable,youhavetobeprettyclosetothebroadcastantennawithouttoomanyobstaclesintheway.

TheSatelliteTVSolution

SatellitetelevisionsolvestheproblemsofrangeanddistortionbytransmittingbroadcastsignalsfromsatellitesorbitingtheEarth.Sincesatellitesarehighinthesky,therearealotmorecustomersinthelineofsite.Satellitetelevisionsystemstransmitandreceiveradiosignalsusingspecializedantennascalledsatellitedishes.

Thetelevisionsatellitesareallingeosynchronousorbit,meaningthattheystayinoneplaceintheskyrelativetotheEarth.Eachsatelliteislaunchedintospaceatabout7,000mph(11,000kph),reachingapproximately22,200miles(35,700km)abovetheEarth.Atthisspeedandaltitude,thesatellitewillrevolvearoundtheplanetonceevery24hours—thesameperiodoftimeittakestheEarthtomakeonefullrotation.Inotherwords,thesatellitekeepspacewithourmovingplanetexactly.Thisway,youonlyhavetodirectthedishatthesatelliteonce,andfromthenonitpicksupthesignalwithoutadjustment,atleastwheneverythingworksright.

TheOverallSystem

EarlysatelliteTVviewerswereexplorersofsorts.Theyusedtheirexpensivedishestodiscoveruniqueprogrammingthatwasn'tnecessarilyintendedformassaudiences.Thedishandreceivingequipmentgaveviewersthetoolstopickupforeignstations,livefeedingbetweendifferentbroadcaststations,NASAactivitiesandalotofotherstufftransmittedusingsatellites.

Somesatelliteownersstillseekoutthissortofprogrammingontheirown,buttoday,mostsatelliteTVcustomersgettheirprogrammingthroughadirectbroadcastsatellite(DBS)provider,suchasDirectTVortheDishNetwork.Theproviderselectsprogramsandbroadcaststhemtosubscribersasasetpackage.Basically,theprovider'sgoalistobringdozensorevenhundredsofchannelstoyourtelevisioninaform.thatapproximatesthecompetition,cableTV.Unlikeearlierprogramming,theprovider'sbroadcastiscompletelydigital,whic

A.apowerfulantenna

B.amuchsmallerantenna

C.satellitedishes

D.cable

5.Whatproportionoftheworld'selectricitysupplyisprovidedbyhydroelectricpower?

A.6%.B.9%.C.15%.D.60%.

6.

Overthepastfouryears,morethanhalfofstudentsinthehighschoolcaughtreceivingtextmessagedanswersontheircellphonesduringanaccountingexam.

A.YB.NC.NG

7.

TheBibletellspeoplehowJesuswasbetrayed,accusedandcondemnedtodeath.

A.YB.NC.NG

8.

Asickinfantmaystareandhave____________orcoldlimbs.

9.

Tobuildyouraudience,you'dbettercatchtheopportunitiestobeacquaintedwithpeopleandtrytocatchtheirattentiononyou.

A.YB.NC.NG

10.

Inmanycases,theinternallydisplacedarevirtuallythosewhoare______.

11.Whatissaidabout"FutureSelf'inthepassage?

A.It'sharmfulanddrivespeopletobeunrealisticaboutthemselves.

B.Itisatherapyusedwidelytocuredepressioncausedbyjobloss.

C.Itcanmakepeoplehaveapositiveattitudetowardtheirfuture.

D.Itisakindofimaginationwhichcanberealizedwithefforts.

12.

Followingitsfounder'slead,Hondahasalwaysbeenaleaderintechnology,especiallyintheareaof______.

13.

Tothepointofweight,afatcalorieis______fromaproteincaloriebecausetheybothareunitsofenergy.

14.

Beforesheswitchedfields,Freeland'sformerresearchdirectionwas______.

15.

ThegeneralviewofEuropeislikelytochangefromcultivatedfarm-landtogrowingshrubsandforestswithspecies-poorwildlifesuchaswildcats,bears,deerandwolves.

A.YB.NC.NG

16.

Oneoftheadvantagesofapeace-keepinglieisaimedatavoidingtroubleorargument.

A.YB.NC.NG

17.

Peoplewhosufferfromthereactivedepressionareverypossiblyunabletoleadanormallife.

A.YB.NC.NG

18.

ItcanbereferredfromthepassagethatAliceWalkerwastwenty-twoyearsoldwhenshemovedtoJackson,Mississippi.

A.YB.NC.NG

19.

Itmaybe______inyourbodythatmakesyourunquicklyafteryouareshockedbyadanger.

20.

Ifmothlarvaearedeadforfivedays,scrubjayswillnottouchupontheminanycase.

A.YB.NC.NG

二、3.ListeningComprehension(20題)21.(26)

A.RichardisnotasbraveasJilt.

B.Richardalsohasmanyhobbies.

C.Jilliskindofrisky.

D.Jilllikesstayingathome.

22.(29)

A.Ashortperiodoffairweatherandmilddays.

B.Nodefinitetimeofbeginningorending.

C.Itsend,whichsignalswinter'sstart.

D.Softyellowororangeskies.

23.(43)

24.(16)

A.Thetrainseldomarrivesontime.

B.Theschedulehasbeenmisprinted.

C.Thespeakersarrivedatthestationlate.

D.Thecompanyhastroubleprintingaschedule.

25.(21)

A.Announceforthefirsttimetheregulationsontobacco.

B.Publishtheusualprotocolshehasgonethrough.

C.Declareprettymuchthesamerestrictionsondruguseasin1995.

D.Presenttothepublictherevisedregulationsontobacco.

26.

【B11】

27.(36)

A.Becausehewastoooldtodohisduties.

B.Becauseheaskedforretirement.

C.Becauseshemistookhiswords.

D.Becauseshedoubtedhishonesty.

28.(24)

A.19months.B.3years.C.4years.D.17months.

29.【B4】

30.(32)

A.Turningherselfintoalegend.

B.Collectingmoneyforthepoor.

C.Doingbusinessandhelpingothers.

D.Goingaboutresearchandeducationwork.

31.聽力原文:W:Idonotthinkyoucanfinishyourcomputerprojectinlessthanaweek.

M:Lindagotitmadeinjusttwodays.

Q:WhatdoesthemansayaboutLinda?

(14)

A.Shewillhelphim.

B.Shefinishedherstwodaysago.

C.Shecompletedherworkveryquickly.

D.Sheisstilldoingtheproject.

32.SectionA

Directions:Inthissection,youwillhear8shortconversationsand2longconversations.Attheendofeachconversation,oneormorequestionswillbeaskedaboutwhatwassaid.Boththeconversationandthequestionswillbespokenonlyonce.Aftereachquestiontherewillbeapause.Duringthepause,youmustreadthefourchoicesmarkedA,B,CandD,anddecidewhichisthebestanswer.

(12)

A.Hedoesn'twanttolendhissleepingbagtoFred.

B.Fredshouldborrowthesleepingbagfromsomebodyelse.

C.Fredhassuccessfullyborrowedasleepingbag.

D.Fredhasboughtasleepingbagatthegym.

33.【B10】

34.聽力原文:M:HowdidyoulikeourAmericanHistoryclassyesterday?

W:WellIdidenjoyit,butIdidn'texactlybuyeverythingBarnumsaideither.

M:Youmeanhisviewthattheearlyframersoftheconstitutionreallydidn'twantdemocracyasweknowittoday?

W:Well"asweknowittoday"Icanaccept.Butwhenhestatesthattherewasnoaffinitytowardsdemocracyasitwasunderstoodthenwell...tomethisjustsoundslikehistoricalrevisionism.

M:Well,surelyyouhavetoadmitthattheirconceptofdemocracywasnot"democratic".

Afterall,manygroupsincludingthosewithoutland,women,blacksandmanyotherswereshutoutofparticipatinginthenewsystem.

W:Yes,butwhenwelookatwhatwecalldemocracytodaytherearestillgroupsshutoutofbeingabletovoteinAmerica,suchaschildrenandconvictedpeople.Also,Ithinkitisfairtosaythatmanygroupsfinditstillverydifficulttoparticipate.Sowedon'thavecompletedemocracyeventoday.

M:Yes,butIthinkheisbasinghisargumentsonthefactualtranscriptsoftheearlyFoundingFathersrealizingthattheydidn'tliketousetheterm"democracy"andsomeevenheapedscornonit.

W:Perhapsitwasjustthatthetermhadadifferentmeaningfromthewayitisusedtoday.

M:ButIthinkitisfairtosaythatdemocracywasn'texactlyinfashion.Andperhapsitisworthwhiletodrawadistinctionbetweenlibertyanddemocracy,sincetherelationshipbetweenthetwoissomewhatblurry.

W:ButifyouaretosaythatAmericawasnotademocracyinthebeginningthenyoumightaswellsay,itisnotOnetodayeitherbecausethestructuresoffederalism,3branchgovernmentandchecksandbalancesarebasicallythesameasitwasover200yearsago.

M:Youhaveapointthere,mostoftheconstitutionremainsintact,anddespitethefactthatAmericaismuchclosertoatruedemocracythanitwaseven50yearsago,it'sstillafairwayfrombeingideal.

W:Rightandifyouapplythedemocracytoanidealyouwillgetnowhere.IwishBarnumwaslisteningtousrightnow.

M:Well,here'syourchancetochallengehimrightnow.Iseehimcomingourway.

W:Areyoujoking?IstillneedtogetadecentmarkinthiscourseandI'mnotdoingitbymakinghimangry.

(23)

A.Shelovedit.

B.Shedisagreedwithtoomuchofittoenjoy.

C.Shethoughtitwasjustsoso.

D.ShelikedtheclassbutdisagreedwiththeProfessor.

35.聽力原文:W:Dr.Jones,howexactlywouldyoudefineeccentricity?

M:Well,weallhaveourownparticularhabitswhichothersfindirritatingoramusing,butaneccentricissomeonewhobehavesinatotallydifferentmannerfromthoseinthesocietyinwhichhelives.

W:Whenyoutalkabouteccentricity,areyoureferringmainlytomattersofappearance?

M:Notspecifically,no.Therearemanyotherwaysinwhicheccentricityisdisplayed.Forinstance,someindividualsliketoleavetheirmarkonthisearthwithbizarrebuildings.Othershavethecraziestdesireswhichinfluencetheirwholewayoflife.W:Canyougivemeanexample?

M:Certainly.OnethatimmediatelyspringstomindwasaVictoriansurgeonbythenameofBuckland.Beingagreatanimalloverheusedtosharehishouseopenlywiththestrangestcreatures,includingsnakes,bears,rats,monkeysandeagles.

W:Thatmusthavebeenquitedangerousattimes.

M:Itwas,particularlyforvisitorswhoweren'tusedtohaving"pets"—forwantofabetterword-inthehouse.Theyusedtogetbittenandevenattacked.Andthegooddoctorwassointerestedinanimalsthathecouldn'tresistthetemptationtosample.themasfood.Soguestswhocametodinnerhadtobepreparedforamostunusualmenu,miceontoast,roast.Onceheeventriedtomakesoupfromelephant'strunk.Strangely,though,hisvisitorsseemedtogobackformore.

W:Itsoundsverycrazy.

M:Yes!

(20)

A.Unusual.B.Freak.C.Eccentricity.D.Strange.

36.

【B7】

37.SectionC

Directions:Inthissection,youwillhearapassagethreetimes.Whenthepassageisreadforthefirsttime,youshouldlistencarefullyforitsgeneralidea.Whenthepassageisreadforthesecondtime,youarerequiredtofillintheblanksnumberedfrom36to43withtheexactwordsyouhavejustheard.Forblanksnumberedfrom44to46youarerequiredtofillinthemissinginformation.Fortheseblanks,youcaneitherusetheexactwordsyouhavejustheardorwritedownthe

ToallAmericans,anotherbasic【B1】______intheirconstitutionistheBillofrights,adoptedin1971.Thisconsistsof10veryshortparagraphswhich【B2】______freedomandindividualrightsandforbid【B3】______withlivesofindividualsbythegovernment.EachparagraphisanAmendmenttotheoriginalConstitution.

TheBillofRightsguaranteesAmericanstherighttoaspeedy【B4】______ifaccusedofacrime.Thetrialmustbebya【B5】______andthenthe【B6】______personmustbeallowedrepresentationbyalawyerandmustbeabletocallin【B7】______tospeakforhimorher.Cruelandunusualpunishmentis【B8】______.

InthebillofRights,【B9】______.Theyhavetherighttoassembleinpublicplaces,toprotestgovernmentactionsandtodemandchange.Theyhavetherighttoownweaponsiftheywish.BecauseoftheBillofRights,neitherpolicenorsoldierscanstopandsearchapersonwithoutgoodreason.【B10】______.

Therewere16otheramendmentstotheConstitutionasof1991.Thechangesarenotmanyconsideringthattheconstitutionwaswrittenin1787.Onlyafewneedtobementionedhere.Oneforbidsslaveryandthreeothersguaranteecitizenshipandfullrightsofcitizenshiptoallpeopleregardlessofrace.【B11】______.

【B1】

38.聽力原文:M:Didyounoticetheyjustbuiltanothercoffeehouseacrossthestreetfromthemovietheater?

W:Yeah.Isn'tthatgreat?Itlooksreallycool,andtheyhavelivemusiceverySaturdaynight.It'llbetheperfectplacetohangoutafterseeingamovie.

M:Areyouserious?Ithinkit'sridiculous!Theyopenanewcoffeehouseeveryfiveminutes.Theyarepoppingupalloverthecity.There'rethreecoffeehousesonMainStreetalone.

W:Ithinkthat'swonderful--themorecoffeehouses,thebetter.I'msickofbarsandnightclubs!Iwantarelaxingplacetositwithmyfriendsandchat.It'snicetositback,listentothemusicandslowlysipareallygoodcupofcoffee.

M:Coffeehousesareafad.Theyappealtopeoplewhohavenothingbettertodothansitaroundanddrinkoverpricedcoffee.Didyouknowtheychargefourdollarsforacupofcoffeeatthatnewplaceacrossfromthetheater?That'scrazy!Theyhavemenuswithfillydifferent"special"blendsfromallovertheworld:Java,Ethiopia,Kenya,Brazil...Italltastesexactlythesametome.

W:Coffeehousesarenutjustfortrendypeople.

M:Yes,theyare!Didyoujusthearwhatthatguyoverthereordered?Heorderedadouble,decafcappuccino.That'ssostupid.Ifyoudrinkcoffee,youshoulddrinkitwithcaffeine.

W:Wow,youarereallyjudgmentaltoday.Areyoufinishedwithyourcoffee?Canwego?

M:No,Ipaidoverthreedollarsforthiscupofcoffee.I'mgoingtodrinkthewholething.

(20)

A.Itoffersreallygoodcoffee.

B.IthaslivemusiceverySaturdaynight.

C.It'snearthetheater.

D.Youcanseeamoviethere.

39.聽力原文:W:Ihavetosetoffat7o'clockinthemorningtoattenda10o'clockclasseverymorning.Ican'tstandthisanylonger.

M:Yourbrother'scollegeisevenfartherthanyours.Haveyouheardhimsayinganything?

Q:Whatdoesthemanmean?

(18)

A.Settingoffat7o'clockisnobigdeal.

B.Sheshouldarrangeherlifebetter.

C.Herbrothercantellherwhattodo.

D.Sheshouldnotcomplainit.

40.聽力原文:Peoplearealwaystalkingabout"theproblemofyouth".Ifthereisone—whichItakeleavetodoubt—thenitisolderpeoplewhocreateit,nottheyoungthemselves.Letusgetdowntofundamentalsandagreethattheyoungareafterallhumanbeings—peoplejustliketheirelders.Thereisonlyonedifferencebetweenanoldmanandayoungone.theyoungmanhasagloriousfuturebeforehimandtheoldonehasasplendidpastbehindhim;andmaybethatiswheretherub(摩擦)is.

WhenIwasateenager,IfeltthatIwasjustyounganduncertain—thatIwasanewboyinahugeschool,andIwouldhavebeenverypleasedtoberegardedassomethingsointerestingasaproblem.Foronethinly,beingaproblemgivesyouacertainidentity,andthatisoneofthethingstheyoungarebusilyengagedinseeking.

Ifindyoungpeopleexciting.Theyhaveanairoffreedom,andtheydon'thaveadrearycommitmenttomeanambitionsorloveofcomfort.Theyarenotanxioussocialclimbers,andtheyhavenodevotiontomaterialthings.Allthisseemstometolinkthemwithlife,andtheoriginsofthings.It'sasiftheywere,msomesense,cosmicbeingsinviolentandlovelycontrastwithussuburbancreatures.AllthatisinmymindwhenImeetayoungperson.Hemaybeconceited,ill-mannered,presumptuousorfatuous,butIdonotturnforprotectiontodrearyclichesaboutrespectofelders—asifmereagewereareasonforrespect.Iacceptthatweareequals,andIwillarguewithhim,asanequal,ifIthinkheiswrong.

(30)

A.Oldpeoplethinkoftheyoungas"aproblem".

B.Oldpeoplecreatethis"problem"ofagedifference.

C.Oldpeoplehaveapast;youngpeoplehaveafuture.

D.Oldpeopleandyoungpeopleforgettheyareallhumanbeings.

三、4.ReadingComprehension(ReadinginDepth)(20題)41.SectionB

Directions:Thereare2passagesinthissection.Eachpassageisfollowedbysomequestionsorunfinishedstatements.ForeachofthemtherearefourchoicesmarkedA,B,CandD.Youshoulddecideonthebestchoice.

Forthreedecadeswe'veheardendlesslyaboutthevirtuesofaerobic(increasingoxygenconsumption)exercise.Medicalauthoritieshavepraisedrunningandjumpingasthekeytogoodhealth,andmillionsofAmericanshavetakentothetreadmill(踏車)toreaptherewards.Butthestoryischanging.EveryonefromtheAmericanHeartAssociationtothesurgeongeneral'sofficehasrecentlyembracedstrengthtrainingasacomplementtoaerobics.Andasweightliftinghasgonemainstream,sohastheonceobscurepracticeknownas"SuperSlow"training.Enthusiastsclaimthatbypumpingironatasnail'space-makingeach"rep"(repeat)last14secondsinsteadoftheusualsevenyoucansafelyplaceextraordinarydemandsonyourmuscles,andcallforthanextraordinaryresponse.Slowliftingmaynotbetheonlyexerciseyouneed,assomeadvocatesbelieve,butthebenefitsareoftendramatic.

Almostanyonecanhandlethisroutine.Theonlyrequirementsarecompletefocusandatolerancefordeepmuscularburn.Foxeachexerciselegpress,benchpress,shoulderpressandsoon--yousetthemachinetoprovideonlymoderateresistance.Butasyoudrawouteachrep,deprivingyourselfofimpetus,theweightsoonfeelsunbearable.Defyingtheimpulsetostop,youkeepgoinguntilyoucan'tcompletearep.Thenyousustainyourvaineffortfor10moresecondswhiletheweightsinksgraduallytowarditscradle,intense?Uncomfortable?Totally.Butonceyouembracemusclefailureasthegoaloftheworkout,itcanbecomealmostpleasure.

Thegoalisnottoburncalorieswhileyou'reexercisingbuttomakeyourbodyburnthemallthetime.Runningafewmilesmaymakeyousweat,butitexpendsonly100caloriespermile,anditdoesn'tstimulatemuchboneormuscledevelopment.Strengthtrainingdoesn'tburnmanycalories,either.Butwhenyoupushamuscletofailure,yousetoffapourofphysiologicalchanges.Asthemusclerecoversoverseveraldays,itwillthickenandthenewmuscletissuewilldemandsustenance.Bythetimeyouaddthreepoundsofmuscle,yourbodyrequiresanextra9000caloriesamonthjusttobreakeven.Holdyourdietsteadyand,veryquickly,youarevaporizingbodyfat.

Onemighthavebenefitedfromanystrength-trainingprogram.Butadvocatesinsisttheslowtechniqueissaferandmoreeffectivethantraditionalmethods.

ManyAmericanshavetakentotreadmillforyearsbyvirtueof______.

A.itsinherentawardstotheirhealth

B.itsgreaterconsumptionofoxygen

C.thecomplimentpaidbyauthorities

D.theactualbenefitsfromtheexercise

42.Accordingtotheauthor,dyingpatientsshouldbetruthfully______.

43.

InParagraph2,whatissaidaboutbooks______.

A.isnotinanysenseacontradiction

B.appearstobesomewhatcontradictory

C.suggeststhatFrenchparentslikeEnglishchildren'sbooks

D.suggeststhatFrenchparentsfindthesebookseducational

44.

WherewasiceusedaftertheCivilWar?

45.

AsStanleysaid,ifyouwenttoknowhow.whenorwhyHerakleionandEasternCanopusdisappeared,therewas/were______toreferto.

46.

Thepotentiallyincreasedincomeinthenetworkmarketdependson______.

A.thequalityoftheproductandtheserviceyouprovide

B.theskillsinmarketingoftheworkersyouemploy

C.theshareofaportionforpercentageofyourincome

D.yourhardworkingendyourincreasedskillsinsale

47.

Accordingtotheauthor,China'srelativelyweakconsumptionmeansitsgrowthdynamicisorientedtoward______.

48.

Whydoresearchersestimateelephantnumbersinanareabycountingdungpiles?

A.Becauseelephantsaredifficulttocatch.

B.Becauseitisnotpossibletocountelephantsfromaplane.

C.Becauseitisnotpossibletokeeptrackofelephants.

D.Becauseelephantsareshyanimals.

49.

Inthelastsentenceofthepassage"itsprivatepartner"refersto______.

A.theUNOfficeforProjectsServices

B.theUniversityofPennsylvania

C.GlobalTechnologyOrganization

D.theUNMillenniumSummit

50.

Accordingtothemeasurestoimprovethesafetyoftraffic,wecanknow______.

A.competitioncriteriamustbemadetomatchtheinjurystatistics

B.personwhogetstheawardof"Oscar"isthemodelforotherdrivers

C.thecampaignmustbespreadtoeveryonealloverthecountry

D.onejournalistwillgetthe"Oscar"thisyearifhegivesthebestopinion______.

51.Companiescoulddirectlyborrowmoneyfromthefederalgovernmentthrough______

52.LayingclaimtoDNAstretchescanbecarelessgeneticsbecause______.

A.thosewhopatentgenefragmentsarenotqualifiedgeneticists

B.thesamegenefragmentsareoftenpatentedbydifferentscientists

C.geneticistshavenoideawhattheyaregoingtodowithpatentedgenes

D.someofthegenefragmentspatentedcontainnorealgeneticinformation

53.

ThepromotedJapanesemanageraskedforatransferbecause______.

A.hewasnotcompetent,forthehigherposition

B.hewasnotaccustomedtoworkingbyhimself

C.hecouldnotmaketheadjustmenttohisnewjob

D.helackedadequatecommunicationwithhissuperiors

54.Formostpeople,fatisaburden.Itdoesn'treallymatterwhereitappears,wejustdon'twantit.Butitturnsoutthatourbodiesalsomakeauniqueform.offattissuethatbehavesremarkablyunlikeanyother:ratherthanstoringexcessenergy,thisfatactuallyburnsthroughit.It'scalledbrownfatandhealthexpertsconfirmforthefirsttimethathealthyadultshavestoresofthistissue,whichresearchershopetostudyfurtherasapotentialnewweight-losstreatment.

Humannewbornshavebeenknowntohaveanysignificantdepositsofbrownfat,socalledbecauseofitsabnormallyhighconcentrationofdark---coloredmitochondria(線粒體),theenginesthatsustaincellactivity.Theprimarypurposeofbrownfatistoregulatebodytemperature:themitochondria-packedcellsaredesignedtoburnhighquantitiesofsugar,andreleasethatenergyasheatamechanismthatnewbornsrelyontokeepthemselvestoasty.

Aspeopleage,however,thebodybecomesbetteratregulatingtemperature,sobrown-fatstoresshrinkandwhitefatstartstoemerge.AresearchteaminSwedenhasfoundthathealthyadultsretainasizableamountoffatinthefrontandbackoftheneckexpressingthesameproteinsasbrownfat.

Identifyingthepresenceofbrownfatisonething,butactivatingittoburnmoresugarisanother.Twostudiesconfirmedthatbrown-fatcellsbecomemoreactiveinthecold.ButbeforeweconsiderjoiningthePolarBearClub,canbrownfatactuallycauseweightloss?Brownfatmayindeedallowapersontoburnmorecalories(卡路里)withthesameamountofconsumption.Onthebasisofanimalmodels,researcherscalculatethat50gofbrownfatcouldburnabout20%dailycalorieanaveragepersontakesin.Leanerpeopletendedtohavemorebrown-fatdepositsthanoverweightindividuals.Interestingly,womenwere'twiceaslikelyasmentohaveactivebrownfat.

Still,thefindingsdon'tnecessarilymeanthatactivatingbrownfatleadstoaslimmerwaist.Foronething,thebodyisespeciallygoodatmaintainingbalance,whichiswhyaboostincalorie-burningcanoftenmakeithungersignalandpromptpeopletoeatmoretomakeupfortheloss.Andevenifdrugcompaniescouldfindawaytoactivate(刺激)brownfatsafely,thatexcessactivitycouldthrowoffothermetabolic(新陳代謝的)systemsanddamageyourhealth.

WhichofthefollowingstatementsisTRUEaccordingtoPara.1?

A.Allthepeopledon'tlikefatatall.

B.Allfatisakindoftissuestoringexcessenergy.

C.Brownfathasauniquefunctionthatanyotherfatissuedoesn'thave.

D.Brownfatcanprovideanewwaytoloseweight.

55.

Theword"bear"usedinthepassageactuallymeans______.

56.

Whatcanwelearnaboutthelongdistancejourneybycar?

A.Itissafebecausethecarusuallygoesathighspeeds.

B.Itismonotonousbecausereadingisquiteimpossible.

C.Itisexhaustingbecauseyouseldommanagetosleep.

D.Itisdangerousbecausethetrafficisalwaystoodense.

57.

Thepassageimpliesthat______.

A.switchgrassisthemostidealrawmaterialforthecellulosicethanolproduction

B.corn-basedethanolhashigherenergyratethanswitchgrass-basedethanol

C.corn-basedethanolhasbeeninventedandisbeingrefined,butnotcommericalized

D.switchgrassisdirectlyusedasrawmaterialforthecellulosicethanolproduction

58.

Theword"boon"attheendofparagraph1isclosestinmeaningto______.

A.successB.accomplishmentC.dreamD.benefit

59.Whatshouldbediscussedonspankingaccordingtotheauthor?

A.Whichpartofbodyshouldbehit.

B.Whatpo

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