大學(xué)英語六級考試模擬試卷十七（帶答案）

大學(xué)英語六級考試模擬試卷十七（總分：710.00,做題時■間：130分鐘）PartIWriting（總題數(shù)：1，分?jǐn)?shù)；0,00）LDirections:Forthispart,youareallowed30minutestowriteashortessaytoexpressyourviewsonthephenomenonofkeepingpetsindormitories.Youshouldwriteatleast160wordsbutnomorethan200words.（分?jǐn)?shù)：106.50）正確答案:（［范文］PetsShouldnotBeKeptinDormitoriesItisfrequentlyreportedthatsomecollegestudentskeeppetsintheirdormitories.Attitudestowardthisphenomenonvaryfrompersontoperson.Somepeoplethinkit'snotabigdeal,whileothersmaintainthat'sunacceptable.Asforme,Isupportthelatter.Firstofall,keepingpetsmightimperilourhealthbecausepetsmaycarrysomepotentialbacteriawhichcanleadtoseriousdiseases.What'smore,somepetssuchascatsmayattackpeoplealthoughtheyaredocilemostofthetime.Secondly,thereisnodoubtthatitconsumesalotoftimeandmoneyforthekeepertoraiseapet.Thirdly,itisforbiddentokeeppetsinmostcolleges.Onbalance,weshouldobeytheregulationsandpaymoreattentiontoourstudy.Toconclude,itisinappropriateforstudentstokeeppetsindormitories.Ifyouareananimallover,youcandosomethingforthestraycatsordogswhichareveryeasytofindoncampus,）解析：PartIIListeningComprehensionf總題數(shù)：0,分?jǐn)?shù)］0,00）SectionA（總題數(shù)：8,分?jǐn)?shù)：0.00）.Questions1to4arebasedontheconversationyouhavejustheard,L（分?jǐn)?shù)：28.40）Hehasopenedanewaccount,Something'swrongwithhisaccount.JHebegantopayacarloan.Hehadtodealwithafinancialcrisis.解析：［聽力原文］M:Idon'tunderstandit.IgotanoticefromthebankthatIhadtworubberchecks.I'veneverhadanoverdraftbefore,W:Thatdoesn'tsoundlikeyou.You'realwayssocarefulwithyourmoney.M:Iam!Idon'tunderstandwhathappened.W：Letmetakealookatyourbankstatement.OK,hereareyourdepositsandwithdrawalsfromlastmonth.Doyouknowthatyourbankchargesyouafeejusttohaveacheckingaccount?Itlookslikeyoualsohaveaminimumbalancerequirement.Ifyoufallbelowthat,yougetchargedafee.M:Idon'tknowthat.W:Ifit'slikemycheckingaccount,youcanavoidthatbygettingadirectdepositforyourpaycheck*DoyoualsoknowthatyougetchargedeverytimeyouuseyourATMcardtomakeapurchase?M:Idon'tknowthat!Itisallratherunbelievable.W:Well,that'swhathappened.Yourbankischargingyoufeesforallthosethingsandafterthosefeeswerededucted,youwereleftwithlessmoneyinyouraccountthanyouthought.M:That'stoomuch!Howcouldtheydothat?W:Theycountonyounotreadingthetermsandconditionsandnotlookingcloselyatyourstatements,M:I'vehadit!I'mmovingbanks.Whathappenedtotheman?,Questions5to8arebasedontheconversationyouhavejustheard.5.（分?jǐn)?shù)：28.40）Thebuildingwiththelogshape.Thetraditionallogcabin.JTheseniorhomeswithlogs.Theblockingbeamsandwalls,解析：［聽力原文］M:Asweprobablyknow,logstructuresaregainingpopularity.Wecanfindthosestructuresaroundthecountryside.W:Actually,logstructuresarenolongerjustthesimplecountryhomesthatwethinkofasthetraditionallogcabin.Someseniorhomesnowincorporatenaturalroundlogsinblockingbeamsandwalls.M:Peopleseemtothinkthattheroundlogsgivetheirhomesapleasantwarmatmosphere.W:Yes,andevenpeoplewhowanttobuildatraditionallogcabinontheirowncanbuyequipmentwithprecutlogsthatfittogetherlikepiecesofpuzzle.M:Beforeshowingussomeslidesofmodernloghouses,wouldyouliketogiveusalittlehistoricalbackgroundonthesubject?W:Ofcourse,Iwouldliketo.Logcabinswerefirstbuiltinthelate1600salongtheDelawareRiverValley.TheEuropeanimmigrantswhosettledtherebroughtcenturies'oldtraditionsofworkingwithlogs,M:Inthatheavilywoodedarealogswerethematerialinhand.W:Logcabinswerethemostpopularintheearly1800swiththesettlerswhoweremovingwest.Theyprovidedtheanswertothepioneers'needforasaleandslidingboardsforwindows.M:Actually,theselogbuildingscanmeetthedemandsofdifferentkindsofpeople.W:Well,thelogbuildingsthathaveprobablymostinfluenceonmodernarchitectsarethoseofthemountainretreatsofwealthyNewYorkers.Thesecountryhouseswhichwerepopularintheearly1900srepresentwhat'sknownasthemodernstyle.M:Thankyouforyourdescription.Nowlet'slookatthoseslides.Whatdidthelogstructuresrefertooriginally?SectionB（總題數(shù)：7,分?jǐn)?shù):0.0。）.Questions9to12arebasedonthepassageyouhavejustheard.1.（分?jǐn)?shù)：28.40）Stoptobuyanumbrella.Runquicklythanusual.Findshelterfromrain.Walkatnormalspeed.J解析：【聽力原文］Whencaughtinpouringrainwithoutanumbrella,mostpeoplepickuptheirpace.Butanoldtaleadvisesthatapersonwhorunsintheraingetswetterthanonewhowalks.Itsoundsreasonablethatwhensomeonerunsupanddown,thebodyisexposedtomoredropsofwaterButseveralstudieshaveputthissayingtothetestandfounditisnottrue.Onesuchtestwascarriedoutin1987andwaspublishedinEuropeanJournalofPhysicsmagazine.TheItalianphysicistwhodidtheexperimentsaidthatifthedistanceisshortenough,runninggetsapersonlesswetthanwalking.Butrunningonlykeepsyouabout10percentdrierThatistosay,runningisn'tworththeeffort.PerhapsthefinalwordcamefromtwoAmericanscientistsattheNationalClimaticDataCenterrecently.Theythoughtthatearlierstudiesoverestimatedtheaveragewalkingpace.So,theydidamuchmorecarefulexperimentthananyofthepreviousones.Theynoticedthatthedirectionofthewindreallymatterstotheresultsoftheexperiment.Theyalsofoundthatrunnersliketoleanforward,hidingthefrontoftheirbodiesfromrain,butexposingtheback.Overadistanceof100meters,theyfoundthatrunninginheavyrainkeptthemdrierbyasmuchas40percent.Thebottomlineisrunningintherainprobablykeepsyoudrierthanwalking.Butdoremembertotakeanumbrellawithyou!Forlongdistances,withoutanumbrella,theresultsarethesame,nomatteryourunorwalk.Whatshouldpeopledowhencaughtintherainaccordingtotheoldtale?,Questions13to15arebasedonthepassageyouhavejustheard,5.（分?jǐn)?shù)：2130）AJtstillcanbeused.JBJtwillbreakdown.CJtshouldbethrownaway.D.ltwillbecomebent.解析：［聽力原文］Supposesomeoneinventedagiftcardsoversatile（多功能的）thatitcouldbeusedalmostanywheretobuyalmostanything.Thisgiftcardwouldbegoodforeverandwouldbeacceptedinmanyforeigncountries.Youcouldbenditinhalf一orevenleaveitinthepocketofyourtrunks（男式游泳褲）whenyouwentforaswimanditwouldstillworkfine.Waitaminute.Somebodyalreadyinventedthatgo-anywheregiftcard.It'scalledcash.Cashhashugeadvantagesovergiftcards.There'sbeenabigtroubleaboutgiftcardfees,soCongresseventuallysteppedintolimitthem.Andasizablechunkofgiftcardvalue一estimatesrangebetween5%and10%一nevergetsfullyused.Thesearen'tissuesthatcomewithcash.Sowhyhavegiftcardsgrowninpopularitywhenwealreadyhavesomethingbettersittinginourwallets?Theanswerisacombinationofconsumerpsychologyandopportunisticretailersandcardissuers.Consumersseegivingcashassilly,andretailershavetakenadvantageofthattopushgiftcards.Moststorecardsdon'thavefeesanymore.Theyhaveadifferentproblem.You'recommittedtousethecardatadesignatedstore.AndanewNationalRetailFederationsurveyfindsthatshoppersexpecttospendabitlessonholidaygiftcardsthisyear.Whatwillhappenifthemultifunctiongiftcardfallsintowater?SectionC（總題數(shù)：10,分?jǐn)?shù)：0.00）,Questions16to19arebasedontherecordingyouhavejustheard,L（分?jǐn)?shù)；56.80）Thefactorsthataffectourdecision-making.Somewaystodevelopourskillsandtalents,JSomeguidelinesonhuntingpart-timejobs.Theadviceonhowtobeversatile.解析：［聽力原文］Howevergiftedsomeonemaybe,heorshestillhadtodevelopvarioustalentstoachievealoftyprofessionalposition.Andthat'sgoodnewsfortherestofus.Eachoneofushasourownskillsandtalents,andwetoocandevelopthemandpropelourselvesintopositionsofinfluence.Herearesomewaystoenhancethosetalents.First,developyourcriticaldecision-makingskills.Decision-makingisatopleadershipcompetencybecauseitpopsupeverywhere,fromthesimplechoiceofwheretoholdastaffmeetingtothestrategicoptionofwheretospendmarketingdollars.Thesedecisionsimpactthepeopleinthenextcubicle（小隔間），buttheymayalsoaffectasubsidiary（了公司）halfwayacrosstheglobeoranentirecountry.Decisivenessisnotatraitwe'rebornwith一it'saskillthatcanbelearned.Tomasterit,analyzeyourprocessofcriticaldecision-makingtospotweaklinksinyourreasoningandtorecognizeunconsciousbiasesfororagainstsomethingorsomeone.Whilewecan'tcontroloutcomes,wecanshapetheprocessthatsetstheminmotion.Second,learntomakeasolidargument.YoumayneveraddresstheUnitedNationsSecurityCouncilortestifybeforeCongress,buteveryoneshouldbeabletoputtogetheracoherentargument.Thatskilliscriticallyandfrequentlyuseful——inhigh-stakesconversations,presentations,question-and-answersessionsandinotherdiscussionswithdecision-makersoranyoneelsewhorepresentsacertainviewpointorasksyoutoexplainyours.Toarguemeanstogivereasons.Itmeansdefendingandpromotingyourchoicesagainstthecontraryargumentsofequallyadeptinfluencers.Takewhatyou'velearnedinschoolandbuildonthatbasewithprivateinstructionanddirectedreadingontherelevantsubject.You'llfindthatyourabilitytothinkcriticallyandanalyzeothers'argumentswilldramaticallyincreaseyourinfluenceontheirchoices.Third,becomeastoryteller.Storytellinghasbeenapremier（首要的）toolininfluencingpeopleacrossculturesanderas.Influencerstellstoriesforstrategicpurposes.Frommotivatingpeopletoact,toteaching,toreducingresistanceandchangingminds,awell-toldnarrativeisaformidableforce,oftenfarmorepowerfulthanthemererecitationofcomplexfinancialortechnicalfacts.Numbersandfiguresareimportant,butwhenitcomestoshowingtheirrelationshiptoanyissue,largeorsmall,astrategicnarrativewrappedaroundthedigitswilldeliverthemessagebetterandmorememorablythananythingelse.Afteryoumasterthedata,askyourself:Isthereawaytoputahumanfaceonmymessage?Aretherereal-lifeexamplesthatwillhelpmemakemypointinawayotherscanrelateto?Whatdoesthespeakermainlytalkabout?.Questions20to22arebasedontherecordingyouhavejustheard.（分?jǐn)?shù)；42,60）Parentsneverasktheirchildrenforadvice.Parentsalwaysgivetheirchildrenconstructiveadvice.Mostteenagersseldomfollowtheirparents'advice.JMostteenagershavegotgoodadvicefromtheirparents.解析：［聽力原文］Today,Iamgoingtotalktoyousomethingaboutadvice.Adviceisafunnything.Somepeopleseemtohaveaconstantsurplusofit,andofferitnonstoptothosearoundthem,evenwhenitisunsolicitedorunwelcome.Othersareonthereceivingendoflotsofadvicefromothers,buttheyrarelytakeanyofit.Averycommonexampleofnaskhole''behavioroccursintheteenageyears.Teenagers'parentscanbecomeconstantbroadcastersofadvice,andtheyoungerfolksdevelopevermoresophisticatedskillsforappearingtolistenwhileactuallyturningdownthevolumeoftheincomingmessagestonearlyzero.Inmostcases,teenagersrarelyfollowtheirparents'advice.I'veheardexperiencedparentswhosechildrenarenowfullygrown,saythatevenwhenteenagersseemtobeinatunnelwhichparentalcommunicationsignalsseemunabletopenetrate,parentsshouldstillkeeponofferingtheirunsolicitedwisdom,perspectives,andadvice.Thetheorygoes,thatevenintheabsenceofacknowledgement,letaloneagreement,acertaindegreeofthemessagestillseepsthroughinthelongrun.Ontheotherhand,likealladvice,thisdependsonthetoneandmodeofdelivery.Thereisafinelinebetweenadvice7forexample,andnagging.Somepeopletendtotakegoodadviceanddeliveritinsuchawaythatitsoundslike,andisheardas?nagging.Advicetransformedintonaggingisusuallyexcessivelyrepetitive,criticalratherthanconstructiveintone,sometimescondescending（屈尊）'andusuallyaone-waystreet.Youmaygiveyouradvicewithoutaninvitationforfeedbackorresponsesuchas"Whatdoyouthink?11Theteenager-parentcontextisasomewhatspecialone,butgivingandreceivingadvicepervadesourprofessionalandpersonallives.Ifyouthinkaboutyourfriendsandassociates,theyprobablyincludepeoplewhoeithergivetoomuchadvice,includingonsubjectswheretheirexpertiseisdoubtful,orofferadviceinanunhelpfultone,e.g.bossyorcondescending.You'llprobablyalsofindfriendsandassociateswhoignoredsomeverygoodadviceandgotthemselvesintoaverydifficultsituationasaresult.Itisnotinstinctiveforustoaskforadvice.Therearefaceissuesinvolved,andpotentialembarrassment,especiallyintheworkplace.Ontheotherhand,wedenyourselvesalotoflearningopportunitiesandweareafraidtoaskadvicefromthosewithricherexperiencethanwehave.Whatcanbelearnedaboutteenagersandtheirparents?,Questions23to25arebasedontherecordingyouhavejustheard.8.(分?jǐn)?shù)：42.60)AJheyaremoreimportantthanprofessionalskills.BTheyimproveyourpersonalrelationship,CTheymakeyouinvaluabletoemployers.JD.Theyhelplittlewithtechnologyarea.解析：［聽力原文］Here'saquestionforyou.Whataretheliberalarts?Theliberalartsrefertoawiderangeofacademicsubjectsthatcanpreparestudentsforavarietyofoccupations.Collegemajorsthatfallunderthiscategorydonottypicallytrainstudentsforanyonecareer.Itincludesbroadareasofstudysuchasthehumanities,socialsciences,naturalsciencesandmathematics.Thehumanitiesincludesubjectssuchasdrama,music,danceandlanguage.Sociology,psychology,geographyandeconomicsareallsocialsciences.Biologyandphysicsaretwoexamplesofnaturalsciences.Regardlessofthecareeryouchoose,certainqualitiescalledsoftskillswillmakeyouinvaluabletoemployersandarevitaltoyoursuccessinmanyoccupationsincludingthoseintechnology.Theyincludecriticalthinking,problemsolving,creativityandinnovation,researchskills,writingandoralcommunication,interpersonalskillsandtheabilitytolearn.Youmayalreadyhavesomeoftheseabilities,butyoumustfindawaytoacquirethoseyoudon't.Thebestwaytodothatisthroughliberalartseducation.Regardlessofyourmajor,makeroominyourscheduleforclassesinliterature,history,sociologyandpsychology.Thesecondquestionis:shouldyoumajorinliberalarts?ThereisroomforbothSTEM(Science,Technology,EngineeringandMath)andliberalartsintheeducationofourfutureworkforce.Studentsshouldbeexposedtobothareasofstudy,butwemustalsorealizethatthereisasuitablecareerforeveryone.YoumayfindthatacareerthatemphasizestheliberalartsisabetterfitforyouwhileyourbestfriendmayfindsuccessinaSTEMoccupation.Ifyouwanttopursueacareerthatrequiresyoutogetanundergraduatedegreeinoneofthesubjectsthatfallsunderthiscategory,youshouldcertainlydothat.Ifyouwillultimatelyneedamaster'sdegreeforyourchosenoccupation,youmayhavesomeflexibilityregardingyourundergraduatemajor.Choosingaliberalartsmajorwillallowyoutonotonlyamassthesoftskillsthatwillfollowyouthroughgraduateschoolandyourfuturecareer,butitwillalsoexposeyoutoknowledgeinawiderangeofsubjects.Whatcanbelearnedaboutsoftskills?PartIIIReadingComprehension（總題數(shù)：0,分?jǐn)?shù)：0.00）SectionA（總題數(shù)：10,分?jǐn)?shù)：0.00）.Facebookiscrackingdownoncryptocurrencies（力廿密數(shù)字貨幣）byusingoneofitsmostpowerfultools:accesstoitsmassiveadvertisingmegaphone（宣傳）.ThesocialnetworkinggiantsaidonTuesdaythatitwillnot1adsforfinancialproductsthat"arefrequentlyassociatedwithmisleadingordeceptivepromotionalpractices,"specifically2currenciesand"initialcoinofferings,"afundraising（籌款的）tacticthatnewcryptocurrenciesusetoattractfreshinvestors."WewantpeopletocontinuetodiscoverandlearnaboutnewproductsandservicesthroughFacebookadswithoutfearof3ordeception,"wroteRobLeathern,aproductmanagementdirectoratFacebook,inablogpost.Thespectacular4inpriceslastyearofbitcoinandmanyalternativecryptocurrencieshassparkedasurgeofinterestamonginvestorsandcompaniesofallkinds.Therampancyhasledtoschemesthat,insomecase,promisetriple-digitreturnsandhave5theinvestigationoftheSecuritiesandExchangeCommission（SEC）."Marketprofessionals,especiallygatekeepers,needtoact6andholdthemselvestohighstandards,"SECChairmanJayClaytonsaidinrecentspeech."Tobefrank,fromwhatIhaveseenrecently,7intheinitialcoinofferingspace,theycandobetter."Facebookprovidedanumberofexamplestoillustrateitsnewpolicy,suchasad8thatadvisesuserstoconverttheirretirementfundsintobitcoinorpromotionsfor"no-risk"cryptocurrencies.TheannouncementcomesweeksafterFacebookchiefexecutiveMarkZuckerbergacknowledgedthepotentialofcryptocurrenciesto9powerawayfrom"centralizedsystems.""Theycomewiththeriskofbeinghardertocontrol,"ZuckerbergsaidinaFacebookpost."I'minterestedtogodeeperandstudythepositiveandnegativeaspectsofthesetechnologies,andhowbesttousethemin10A.attractedF.eliminateK.scamsB.authorizeG.essentialL.servicesC.captureH.increaseM.simultaneouslyD.copy1.particularlyN.strategyE.displayJ.responsibly0.virtual（分?jǐn)?shù)：35.50）1.（分?jǐn)?shù)：3.55）填空項(xiàng)1： （正確答案：E）解析：動詞辨析題。由結(jié)構(gòu)willnotdosth.結(jié)構(gòu)可知，空格處應(yīng)填入動詞原形。根據(jù)首句可知，臉書正在利用廣告宣傳手段嚴(yán)厲打擊加密數(shù)字貨幣。本句進(jìn)一步解釋，它不會對經(jīng)常做具有誤導(dǎo)性或欺騙性促銷活動的金融產(chǎn)品做廣告。結(jié)合備選動詞原形可以推斷出，display"展示”符合題意，故為答案。2.（分?jǐn)?shù)：3.55）填空項(xiàng)1：（正確答案：0）解析：形容詞辨析題。由空格后名詞currencies可推知，空格處應(yīng)填入形容詞作定語?？崭窈骯nd表示并列關(guān)系，initialcoinofferings"首次代幣發(fā)行"使用的是虛擬貨幣，故and之前的短語currencies應(yīng)與其意思相近。結(jié)合備選項(xiàng)可以推斷出，virtual“虛擬的”符合題意，故為答案。（分?jǐn)?shù)：3.55）填空項(xiàng)1：（正確答案：K）解析：名詞辨析題。分析句子結(jié)構(gòu)可知，空格前為介詞of,空格處需填入名詞，與withoutfearof構(gòu)成短語，作狀語?？崭窈髈r表示并列關(guān)系，deception意思是“欺騙"，空格處語義應(yīng)與其相似，應(yīng)為貶義。結(jié)合備選項(xiàng)可以推斷出，scams“騙局，詭計(jì)”符合題意，故為答案。（分?jǐn)?shù)：3.55）填空項(xiàng)1：（正確答案：H）解析：名詞辨析題。分析句子結(jié)構(gòu)可知，空格處所在短語作句子主語，形容詞spectacular修飾主語中心詞，所以空格處應(yīng)填入名詞。根據(jù)句意可知，各類投資者和投資公司對bitcoin"比特幣”和許多其他的加密數(shù)字貨幣的興趣激增，由此可以推斷出這種現(xiàn)象的原因是數(shù)字貨幣價格上漲。結(jié)合備選項(xiàng)，increase"增加，增多”符合題意，故為答案。（分?jǐn)?shù)：3.55）填空項(xiàng)1：（正確答案：A）解析：動詞辨析題。分析句子結(jié)構(gòu)可知，that引導(dǎo)的定語從句中，第一個謂語動詞為promise,第二個謂語動詞用了現(xiàn)在完成時結(jié)構(gòu)，因此空格處應(yīng)填入動詞的過去分詞形式。根據(jù)句意可知，比特幣等數(shù)字貨幣的過分繁榮已經(jīng)導(dǎo)致高回報(bào)騙局的出現(xiàn)，這必然會引起美國證券交易委員會的關(guān)注和調(diào)查。結(jié)合備選項(xiàng)可以推斷出,attracted"吸引”符合題意，故為答案?？忌枰⒁獾氖?，本句中的schemes并不是“計(jì)劃，規(guī)劃”的意思，而是“陰謀，詭計(jì)”。（分?jǐn)?shù)：3.55）填空項(xiàng)1：（正確答案：J）解析：副詞辨析題?？崭袼诰渥又兄鞲沙煞滞暾?，空格前act為動詞，空格處應(yīng)填入副詞。根據(jù)前文可知，虛擬數(shù)字貨幣存在隱患。本句中美國證券交易委員會主席杰伊?克萊頓在演講中提出改進(jìn)要求：市場專業(yè)人員做事要,對自己堅(jiān)持高標(biāo)準(zhǔn)。結(jié)合備選項(xiàng)可以推斷出,responsibly"可靠地，可以信賴地”符合題意，故為答案。（分?jǐn)?shù)：3.55）填空項(xiàng)1:（正確答案：I）解析：副詞辨析題。分析句子結(jié)構(gòu)可知，空格所在的句子是對上一句的承接，空格前面是逗號，后而是介詞短語，空格處可填入副詞。根據(jù)句意可知，杰伊?克萊頓在上一句表明市場專業(yè)人員做事要有責(zé)任心，對他們自己堅(jiān)持高標(biāo)準(zhǔn)。這里進(jìn)一步地表明他的所見所感：在代幣方面，他們可以做得更好。結(jié)合備選項(xiàng)可以推斷出，particularly特別，尤其”符合題意，故為答案。（分?jǐn)?shù)：3.55）填空項(xiàng)1:（正確答案：D）解析：名詞辨析題。分析句子結(jié)構(gòu)可知，空格處是舉例內(nèi)容，后面接定語從句對其進(jìn)一步解釋，or后面的promotions與其并列，空格處應(yīng)填入名詞。根據(jù)句意可知，臉書提供許多例了來說明它的新政策，這些例了包括建議用戶將退休金投資比特幣的廣告或“無風(fēng)險”的加密數(shù)字貨幣的促銷活動。結(jié)合備選項(xiàng)可以推斷出，copy“稿件”符合題意，故為答案。adcopy即“廣告文案”。（分?jǐn)?shù)：3.55）填空項(xiàng)1：（正確答案：C）解析：動詞辨析題。分析句子結(jié)構(gòu)可知，to與空格處一起構(gòu)成不定式結(jié)構(gòu)，作potential的定語，空格處應(yīng)填入動詞原形。根據(jù)句意可知，這里是臉書首席執(zhí)行官馬克寸L克伯格對加密數(shù)字貨幣的看法，他認(rèn)為加密數(shù)字貨幣有可能從“集中性的體制”權(quán)力。結(jié)合備選項(xiàng)可以推斷出，capture"奪取，奪得”符合題意，故為答案。（分?jǐn)?shù)：3.55）填空項(xiàng)1：（正確答案：L）解析：名詞辨析題?？崭袂笆切稳菰~性物主代詞our,因此空格處應(yīng)填入名詞。根據(jù)句意可知，扎克伯格提到加密數(shù)字貨幣存在難以控制的風(fēng)險，以后會深入研究它們的利弊，使之更好地應(yīng)用于我們的。結(jié)合備選項(xiàng)可以推斷出，services“服務(wù)”符合題意，故為答案。SectionB（總題數(shù)：10,分?jǐn)?shù)：0.00）Yourweightaffectshowlongyoulive一butit'sextremelycomplicatedWeoftenthinkaboutweightlossintheshortterm,hopingtodrop5poundsintimeforvacationor10intimeforawedding.Ofcourse,thiskindofyo-yodietingisn'tthegreatestforourhealth.Ifyou'regoingtoaskhowmuchyoushouldweigh,youwanttothinklongterm一whatweightwillkeepyouhealthy?Thisquestionhasbeenattheforefrontofresearchers1mindsforawhile,andforgoodreason.Globalobesityratesarehighandsteadilyincreasing,with1.3billionadultsconsideredoverweightand600millionintheweightrangecategorizedasobese.Whileit'struethatmuscleweighsmorethanfat,mostpeoplewhoarecarryingaroundafewextrapoundsaredoingsointheformofadipose（月旨肪的）tissue.Unlikeboneandmuscle,fatcellscangenerateinflammation（炎癥），allowingustohealinfectionsandprotectourbodiesfromfurtherdamage.Buthavingtoomanyfatcellscausesourbodiestoreleaseinflammatoryproteinsallthetime.Manystudiesindicatethiscanincreaseourriskofdevelopingcancer.Carryingaroundextrafatcellsalsoaffectsotherphysiologicalpathways,manyofwhich一highbloodpressure,hyperglycemia（高血糖證），andhighcholesterol,forexample一canleadtopotentiallyfatalheartproblems.Weallneedsomeamountofbodyfat.Sohowmuchistoomuch?UsingBMI（bodymassindex,thebodymassdividedbythesquareofthebodyheight）andratesofoverallmortality,scientistsstudyingthisquestioninitiallycametoasurprisingconclusion:Onapopulationlevel,therelationshipbetweenBMIandmortalityformedaU-shapedcurve,inwhichthelowestpoint（theonewheremortalitywasatitslowest）wasactuallyataBMIrangeconsiderednearlyoverweight（about24.5,when25isoverweight）.Bringonallthehealthyfatsandcarbs（含碳水化合物的食物）.Butsomescientists一includingAndrewStokes,achronicdiseaseandglobalhealthresearcheratBostonUniversity——challengedthoseconclusions.InsteadofaU-shapedcurve,hisgroup'sfollow-upstudiessawtheriskofmortalityincreasewithhigherBMIs.Thelowestriskcategory,hesays,issomewhereinthelow-normalweightrange,andriskincreasesprettyconsistentlyasBMIgoesup.Theearlierstudiesfailedtoaccountfortwoimportantfactors,accordingtoStokes."Thenormalweightcategoryusedinmostofthestudiescombineslow-risk,stableweightpeoplewithhigh-riskindividualswhohavelostweight,"hesays.Ifastudysubjectspendsmostofhislifeobeseandthenlosesweight,hemightaccumulateyearsofnegativehealtheffects.Notallofthoserisksdisappearwithweightloss."Muchoftheresearchonobesityjustusesasnapshot（簡要描述）ofweightcurrently,"saysStokes.Stokesequatesthistothewaywestudysmoking.Youcan'tsimplycomparenon-smokerstosmokers.Non-smokersincludethosewhohaveneversmokedaswellasthosewhomayhavesmokedforseveraldecadesandthenquit.AndsmokingitselfisanothercrucialfactorintheseBMIstudies,Stokessays.Smokingcanpresentahugebiasinestimatingrisksassociatedwithobesity,becausethehabitaffectsbodyweightthroughmetaboliceffectsandreducedappetite.Byfailingtotakesmokingintoaccount,youranalysismayincludepeoplewhohavealowbodyweightbutsmokeheavily,uppingtheirchanceofanearlydeath.Oncethoseoutliersareremoved,Stokesandhiscolleaguesargue,therelationshipbetweenexcessbodyweightandearlymortalityisclear.Ofcourse,therangefornormalBMIisprettybroad.Forexample,someonewhois5'4"hasanormalBMIiftheyweighanywherefrom108poundsto145pounds.Ifwewanttoknowwhichsliveroftherangeisactuallybest,Stokessays,researchershavealotmoreworktodo.Andthenthere'sthequestionofwhetherBMIistherightmetrictouseatall.BMIisoftencriticizedasapoorindicatorofhealth.Becausemuscleweighsmorethanfat,aweightliftercouldhaveaBMIintheoverweightrange,andthat'stosaynothingofalltheothervariationsthehumanformcantake.EventwofolkswiththesameBMIandthesameamountofactualbodyfatmightfacedifferentrisksduetotheiradipose,ifonecarriesmoreintheirbellyandtheotherstoresmoreintheirhips.StudiesthatcompareBMItosuperiormethodsliketheDexascan,atypeofX-raythatcandetermineexactlyhowmuchbodyfatyouhaveandwhere,showthatthepotentialmisclassificationisnottrivial.ButStokesarguesthatonapopulationlevel,BMIisaprettygoodparametertouse.Variationsinitsaccuracydoexist,butit'snotsowildlyoff-baseastobeuselesswhenwemakegeneralizationsaboutrisksthroughoutanentirepopulation.Butthat'sthekeyhere:We'retalkingaboutaveragerisk.NoneofthisistosaythatsomeonewithanidealBMIisboundtooutlivesomeonewhoisobese.Thereareplentyofotherfactorsatplayindeterminingourhealth,includinggenetics,exercise,diet,andespeciallystress.Thedegreeoffatwecarryoftenintertwineswiththeseothercharacteristics,butit'sstillonlyonefactor.Anindividual'shealthcan'tbedeterminedbyanumberonascale,andoneshouldalwaystalktoadoctorwhenconsideringmajorlifestylechanges.Still,whilethere'snoscientificconsensusonwhatrangeofnormalBMIequatestolowestoverallmortality,Stokeshazardsaguessforthelowerend,perhaps20to22.Healsopointsoutthatmanystudies（onrodentsandprimates,anyway）showcalorierestrictioncanincreaselongevity.OnepopulationhethinksweshouldstudymorearethosehumanswhohavealwayshadaverylowBMI.Ping-pongingyourweightaroundtotrytogetonthelowestpossibleendofthehealthythresholdisdefinitelynotagoodidea,butlivingyourentirelifewithaBMIonthelowerend一maybeevenunder20一coulddecreaseriskofdiseaseslikecanceranddiabetes.It'sanimportantquestion,Stokessays,andonethatnotenoughresearchersareasking.（分?jǐn)?shù)：71.00）Ifapersonisoverweightforlong,eventhoughhisweightdropslater,hemaystillhavepotentialhealthproblems,（分?jǐn)?shù)：7.10）填空項(xiàng)1：（正確答案:G）解析：如果一個人長時間體重超標(biāo)，即使后來他的體重下降，他可能仍然會有潛在的健康問題。由題干中的hisweightdrops和healthproblems定位到文章G段第三句。細(xì)節(jié)推斷題。定位句提到，如果一位研究對象的肥胖狀態(tài)持續(xù)了大半生,后來體重下降了，他體內(nèi)可能積攢了多年的不良健康影響因素。接下來的一句指出，并非所有這些風(fēng)險因素都會隨著體重的減少而消失。題干是對原文的細(xì)節(jié)推斷，故本題答案為G。本文主要論述了人們想要測算合適體重的困難性并介紹了BMI這一指標(biāo)參數(shù)。A、B段指出過度肥胖現(xiàn)象并引出文章主題。C、D段指出脂肪細(xì)胞對身體健康的影響。E?I段介紹對BMI值的早期研究及影響研兗的因素。J?M段指出測算BMI值的正常范圍十分困難，還要付出許多努力來保證準(zhǔn)確性、確定最佳范圍。Smokingcanbringweightlossthroughaseriesofmechanisms,suchaslosingpeople'sappetite.（分?jǐn)?shù)：7.10）填空項(xiàng)1：（正確答案：I）解析：吸煙可以通過一系列的身體機(jī)制（如降低人們的食欲）降低體重。由題干中的Smoking、mechanisms和appetite定位到文章I段第二句。細(xì)節(jié)歸納題。定位句提到，吸煙會使與肥胖相關(guān)的風(fēng)險評估結(jié)果產(chǎn)生一個重大的偏差，因?yàn)槲鼰熯@一習(xí)慣可以通過新陳代謝作用和降低食欲來影響人的體重。題干中的aseriesofmechanisms是對定位句中的metaboliceffectsandreducedappetite的概括。通過降低食欲，我們不難看出吸煙對體重的影響為減少人的體重。題干是對定位句的概括及歸納，故本題答案為I。Carryingaroundapropernumberoffatcellscan