2024年六级阅读练习试题

一、阅讀理解(共20題，合计100分)Unit1

PassageOne

CarbondioxidemakesuplessthanonepercentoftheEarth'satmosphere,butthegasisveryimportanttolifeonEarth.Scientistsarefindingthatprocessesinvolvingcarbondioxideaffectourclimateinwaysthataredifficulttounderstand.Lastmonth,acommitteeoftheNationalAcademyofSciencesinWashingtonreleasedareport.Itconfirmedthatworldtemperaturesincreasedaboutsix-tenthsofadegreeCelsiusinthelastonehundredyears.Thereportalsoconfirmedevidencethatthelevelofcarbondioxideisincreasing.

ThebestinformationaboutclimateinthepastcomesfromtestsoficemanykilometersdeepinAntarcticaandGreenland.Thetestsshowchangesintemperatureduringthepastfourhundredthousandyears.Thesetestsshowthatlevelsofcarbondioxidetodayarethehighestevermeasured.

Thesefindingshaveledscientiststobelievethatcarbondioxideisamajorcauseofclimatewarming.Carbondioxideisreleasedintotheatmospherewhenfuelisburned.Oil,coalandwoodareallfuelsthatreleasethegas.Whenbiologicalwastebreaksdown,italsoreleasescarbondioxide.

However,plantsusecarbondioxideintheprocesscalledphotosynthesis.ThisprocessprovidesfoodforalmostalllifeonEarth.Somegroupsthatsupportburningoilandcoalwanttoincreasetheamountofcarbondioxideintheatmosphere.Theyopposeinternationaleffortstocontrolcarbondioxide.

Somescientistsbelievethatforestsandtreesareabletocapturelargeamountsofcarbondioxidefromtheair.Somegroupsevensuggestthatanincreaseincarbondioxidecouldcauseplantstogrowfaster.

ArecentstudyinNorthCarolinafoundthatmorecarbondioxideintheaircouldcausetreestogrowfaster.Buttheresearchersfoundtheeffectappearstolastforonlythreeyears.Anotherstudyshowedthatmuchofthecarbondioxidethatistakeninbytreesisreleasedwithinthreeyears.Thestudynotedthatleavesreleasecarbondioxidewhentheyfallfromtreesandbreakdowninthesoil.Plantsalsonaturallyreleasecarbondioxidethroughtheprocessofrespiration.

Thenaturalbalanceofgasesintheatmosphereisacomplexscientificissue.Thedebateovercarbondioxideisonlyonepartofeffortstounderstandworldclimatechange.1ThecommitteereportoftheNationalAcademyofSciencesinWashingtonrevealsthat______.

A.icefromAntarcticaandGreenlandisappropriatetoshowthechange

B.carbondioxideisreleasedmainlyfromthefuel

C.globaltemperaturesincreaseasthelevelofcarbondioxideincreases

D.carbondioxideishelpfulfortreegrowth[對的答案]C[您的答案]C本題分值：1分您的得分：1分试題解析:推断題。文章第一段指出，位于华盛顿的国家科學院的一种委员會刊登了一份汇报，该汇报证明了全球温度在過去一百年升高了六分之一摄氏度，還证明发了二氧化碳含量正在增高，由此推断，汇报显示二氧化碳含量和全球温度均有所升高，因此C對的。+我要找茬+加入錯題+收藏该題评论此題2Whichofthefollowingcanbethesourceofcarbondioxide?

A.Oilandsoil.

B.Soilandtrees.

C.Woodandsoil.

D.Treesandoil.[對的答案]D[您的答案]A本題分值：1分您的得分：0分试題解析:细节題。文章第三段第三句提到，石油、煤和木材都是能释放二氧化碳的燃料；倒数第二段最终两句提到，树叶從树上落下来的時候會释放二氧化碳，植物在呼吸過程中也會自然地释放二氧化碳，再結合常识可知，土壤無法产生二氧化碳，因此排除A、B、C，选D。+我要找茬+加入錯題+收藏该題评论此題3Accordingtothispassage,somepeopledisagreewiththecontrolofcarbondioxidebecause______.

A.theythinkthatcarbondioxideisbeneficialforplantgrowth

B.theywanttousemorefuelsthatcanemitcarbondioxide

C.theythinkcarbondioxideisnotthemainreasonforglobalwarming

D.theythinkitwilldestroythenaturalbalanceofgasesintheworld[對的答案]B[您的答案]A本題分值：1分您的得分：0分试題解析:推断題。文章第匹l段第三句指出，某些支持燃烧石油和煤的组织想要增長大气中二氧化碳的含量，他們反對国际上為控制二氧化碳所做的努力，由此推断，他們反對控制二氧化碳的原因是他們想更多地使用那些也許释放二氧化碳的燃料，因此B對的。由第五段第二句可知，某些组织甚至认為二氧化碳的增長會增進植物生長，但這并非他們反對控制二氧化碳的原因，故排除干扰项A。+我要找茬+加入錯題+收藏该題评论此題4ThosestudiescarriedoutinNorthCarolinasuggestthat______.

A.trees'functionforabsorbingcarbondioxideislimited

B.carbondioxideisthemaincauseforglobalwarming

C.leavesfallingfromtreescanemitmoreoxygen

D.carbondioxideisbeneficialfortrees'growthformanydecades[對的答案]A[您的答案]A本題分值：1分您的得分：1分试題解析:推断題。文章倒数第二段指出，近来在北卡罗来纳州進行的一项研究发現，空气中二氧化碳的增多能增進树木加速生長，但研究人员還发現這种功能只能持续三年，由此推断，尽管树木可以吸取二氧化碳，但這种吸取功能是有限的，因此A對的。+我要找茬+加入錯題+收藏该題评论此題5Theword"issue"(Line1,Para.7)canbereplacedby______.

A.organ

B.topic

C.publication

D.result[對的答案]B[您的答案]B本題分值：1分您的得分：1分试題解析:語义題。被考察詞所在句意為“大气中气体的自然平衡是一种复杂的科學______”，再結合之後提到的有关二氧化碳的争论可知，气体的自然平衡应當是一种科學论題，因此B對的。A(器官)、C(出版物)、D(成果)均不符合句意。+我要找茬+加入錯題+收藏该題评论此題PassageTwo

Thehigh-techrevolutionhasinspiredaseeminglyendlessstreamofnewandexcitingelectronicproductsthatwejustcan'tlivewithout.Infact,thedizzyingspeedoftechnologicalinnovationcanmakelastyear'smustthisyear'sjunk.

Andthat'stheproblem.Theaveragelifespanatpersonalcomputerhasshrunktoaround19months--andthishasnothingtodowithworn-outmiceordamageddiskdrives.Simplyput,electronicproductscanbecomeobsoletebeforeyou'veevenfiguredouthowtheywork.

Sowhathappenstoallthoseoldkeyboards,monitors,organizersandCPUs?Mostarestashedawayintheatticorforgotteninacorporatewarehouse,takingupvaluablespace.Butmanyendupinlandfills,andthatiswherethetroublereallybegins.

Computermonitorscancontainupto3.5kgofleadandcanactuallybeconsideredhazardouswasteoncetheyarenolongerinuse.Circuitboardsinelectronicproductscontaincadmium(镉),chromium(铬)andmercury,allofwhicharetoxicsubstancesthatcanleachintogroundwaterifleftinalandfill.

Unfortunately,thisdisposalproblemisnotgoingtodisappearanytimesoon--infact,itisgrowingbytheminute.InJapanalone,consumersthrowawaysome20millionTVs,washingmachines,refrigeratorsandairconditionerseachyear.InEurope,6millionmetrictonsofelectricalandelectronicequipmentweregeneratedin1998alone,andthatvolumeisexpectedtoincreasethreetofivepercentperyear--whichmeansbyitcouldnearlydouble.

What'stobedonewithallthistechno-trash?

Electronicsmanufacturersareworkinghardtoanswerthisquestion.TheEuropeanCommissionhasproposedadirectivethatwouldrequireallelectronicsmanufacturerstotakebackandproperlydisposeofallelectronicproducts,regardlessoftheirage.Thedetailsarestillbeingironedout,butsomeversionofthedirectivewillmostprobablybecomelawinthenextfewyears.SimilarlegislationisintheworkintheU.S.andhasalreadypassedinJapan.

Asthecostsofsuchprogramscouldquicklybecomeprohibitive,companiesaresearchingfornewwaysoftacklingdisposalissuesbeforetheybecomeaproblem.

Onewaytoreducewasteistoavoidthrowingthinginthefirstplace.Manycompaniesreusepartsfromoldproductsinnewmodels.Thisisnotcheating--itmakesbothenvironmentalandeconomicsense.6Theauthormainlyintendstoaddress______.

A.theissueoftechnologicalinnovations

B.thenecessityofupdatingcomputerhardware

C.theconservationofnaturalresources

D.thedisposalproblemofelectronicproducts[對的答案]D[您的答案]本題分值：1分您的得分：0分试題解析:主旨題。文章第一段指出，科技的飞速发展使得去年的必需品成為今年的垃圾；接下来的儿段简介了電子垃圾也許导致的危害；第五段指出，垃圾处理面临的問題不會立即消失；最终几段简介了应當怎样处理電子垃圾。综合可知，本文重要讨论了電子产品的处理問題，因此D對的。+我要找茬+加入錯題+收藏该題评论此題7Computermonitorsdisposedwillposeadangertoenvironment______.

A.ifburiedinlandfills

B.whenputawayinwarehouses

C.oncenolongerinuse

D.unlessstashedwithotherappliances[對的答案]A[您的答案]本題分值：1分您的得分：0分试題解析:推断題。文章第三段最终一句指出，許多旧键盘、显示屏、中央处理器等都被埋在了垃圾掩埋場，而那就是麻烦開始的地方；第四段第一句指出，電脑显示屏中具有多达3.5公斤的铅，假如不再使用实际上就是危险废品，而由常识可知，铅會對环境导致危害。由此推断，假如采用垃圾掩埋法来处理電脑显示屏，其中的铅就會對环境导致危害，因此A對的。+我要找茬+加入錯題+收藏该題评论此題8ThecaseofJapaninPara.5ismentionedtoshow______.

A.shortenedlifespanofpersonalcomputers

B.theexplosionoftech-trash

C.theinsensibilityofJapaneseconsumers

D.theleadingroleofthiscountry[對的答案]B[您的答案]本題分值：1分您的得分：0分试題解析:推断題。文章第五段第一句指出，不幸的是這种垃圾处理面临的問題不會立即消失，实际上這种問題每分钟都在增長；接著便以曰本消费者丢弃大量電器為例進行阐明。由此推断，该段提到曰本的例子是為了阐明高科技垃圾的数量之多及其严重性，因此B對的。+我要找茬+加入錯題+收藏该題评论此題9Itcanbeconcludedfromthepassagethatobsoleteelectronicproductsshouldberecycled______.

A.forlackoflegislativedirectivesformulated

B.intheinterestsofelectronicmanufacturers

C.outofenvironmentalandeconomicconcern

D.inresponsetopublicprotestsagainstpollution[對的答案]C[您的答案]本題分值：1分您的得分：0分试題解析:推断題。文章最终两句指出，許多企业在新机型上重新使用旧产品的零件，這不是欺骗，而是具有环境保护和經济意义，由此推断，循环运用旧電子产品是出于环境保护和經济考虑，因此c對的。+我要找茬+加入錯題+收藏该題评论此題10Wecanlearnfromthepassagethathigh-techcompanies______.

A.trytheirbesttoavoidlegalobligationsasmuchaspossible

B.alwayshavethefinalsayindisposalissuesunderdiscussion

C.arechieflyresponsibleforthedangerouswastepollution

D.strivetodevelopcontinuallyupdatedelectronicproducts[對的答案]D[您的答案]本題分值：1分您的得分：0分试題解析:推断題。文章開頭指出，科技的飞速发展使去年的必需品成為今年的垃圾，之後又多次提到消费者不停丢弃旧的電子产品，转而使用新的電子产品，由此推断，電子产品更新换代的速度非常快，而這应當是高科技企业不懈努力的成果，因此D對的。+我要找茬+加入錯題+收藏该題评论此題PassageThree

Astrangethingabouthumansistheircapacityforblindrage.Rageispresumablyanemotionresultingfromsurvivalinstinct,butthesurprisingthingaboutitisthatwedonotdeployitagainstotheranimals.Ifweencounteradangerouswildanimal--apoisonoussnakeorawildcat--wedonotflyintoatemper.Ifweareunarmed,weshowfearandattempttobackaway;ifwearesuitablyarmed,weattack,butinarationalmannernotinarage.Wereserverageforourownspecies.①Itishardtoseeanysurvivalvalueinattackingone'sown,butifwetakeaccountofthelongcompetitionwhichmusthaveexistedbetweenourownsubspeciesandotherlikeNeanderthal(穴居人的)man--indeedothersstillmoreremotefromusthanNeanderthalman--humanragebecomesmorecomprehensible.

Inoureverydaylanguageandbehaviortherearemanyremindersofthoseearlystruggles.Wearealwaysusingthewords"usandthem"."Our"sideisperpetuallyWingtododownthe"other"side.Ingamesweartificiallycreateothersubspecieswecanattack.Theoppositionof"us"and"them"isthetouchstoneofthetwo-partysystemof"democratic"politics.②Althoughtherearenoveryseriousconsequencestomanyofthesemodernpsychologicalrepresentationsofthe"usandthem"emotion,itisaswelltorememberthattheoriginalaimwasnottobeattheothersubspeciesinagamebuttoexterminateit.

③Thereadinesswithwhichhumansallowthemselvestoberegimentedhaspermittedlargearmiestobeformed,whichtakentogetherwiththe"usandthem"blindrage,hasledtodestructiveclasheswithinoursubspeciesitself.TheFirstWorldWarisanexampleinwhichEuropedivideditselfintotwoimaginarysubspecies.AndthereisasimilarexterminationbattlenowinNorthernIreland.Theideathatthereisareligiousbasisforthisclashisillusory,fornoteventhePopehasbeenabletocontrolit.TheclashismuchmoreprimitivethantheChristianreligion,mucholderinitsemotionalorigin.TheconflictinIrelandisunlikelytostopuntilagreaterprimitivefearisimposedfromoutsidethecommunity,oruntilthecombatantsbecomeexhausted.11Asuitabletitleforthispassagewouldbe______.

A.WhyHumanArmiesAreFormed

B.Man'sAngeragainstRage

C.TheHumanCapacityforRage

D.EarlyStrugglesofAngryMan[對的答案]C[您的答案]本題分值：1分您的得分：0分试題解析:主旨題。文章第一段指出，人类有产生無名之火的能力，人們只對自已的同类感到愤怒；第二段指出，人类總是将自身分為“我們”和“他們”的對立团体；第三段指出，人类乐意把自身归入某一团体之中，這使大规模軍队的形成成為也許，再加上“我們和他們”這种無名之火，就會引起破壞性冲突。综合可知，文章重要在论述人类产生無名之火的能力，因此C對的。+我要找茬+加入錯題+收藏该題评论此題12Accordingtotheauthor,thesurprisingaspectofhumanangeris______.

A.itslengthyandcomplexdevelopment

B.aconflictsuchasisnowgoingoninNorthernIreland

C.thatwedonotoftenflyintoatemper

D.thatwereserveangerformankind[對的答案]D[您的答案]本題分值：1分您的得分：0分试題解析:推断題。文章第一段第二句指出，愤怒大概是源于求生本能的一种情感，但令人吃惊的是我們不會對其他動物感到愤怒；第五句指出，我們只将愤怒留給同类。由此推断，人类愤怒令人吃惊的一面是我們只對人感到愤怒，因此D對的。+我要找茬+加入錯題+收藏该題评论此題13Fromthepassagewecaninferthat______.

A.theartificialcreationofasubspeciesunlikeusissomethingthatneverhappens

B.gamesarepsychologicallyunhealthy

C.anyartificiallycreatedsubspecieswouldbeourenemy

D.therealorimaginedexistenceofanopposingsubspeciesisinherentinman'sactivities[對的答案]D[您的答案]本題分值：1分您的得分：0分试題解析:推断題。第一段最终一句指出，很难明白用来袭击自身的愤怒有什么存在价值，但我們假如考虑到我們自已的亚种和其他人类群体之间必然存在的長期竞争，就更轻易理解人类的愤怒，由此推断，人类活動中總是存在著真实的或想像的与我們對立的亚种，因此D對的。+我要找茬+加入錯題+收藏该題评论此題14Thepassagesuggeststhat______.

A.historically,wehavecreatedan"us"versus"them"society

B.humanshavehadanaturaldisinclinationtowardformalgrouping

C.theFirstWorldWarisanexampleofhowmanhasalwaysavoideddomination

D.theemotionaloriginofthewarinIrelandislostintime[對的答案]A[您的答案]本題分值：1分您的得分：0分试題解析:推断題。文章第二段提到，有許多平常語言和行為提醒著我們那些初期的斗争，我們總是用“我們”和“他們”的字眼，我們這方總是试图战胜另一方。由此推断，在历史上我們创立出了与“他們”相對立的“我們”的社會，因此A對的。+我要找茬+加入錯題+收藏该題评论此題15TheauthorbelievesthatareligiousexplanationforthewarinNorthernIrelandis______.

A.foundedinhistoricalfact

B.deceptive

C.apparent

D.probablyaccurate[對的答案]B[您的答案]本題分值：1分您的得分：0分试題解析:推断題。文章最终一段第四句指出，认為本次冲突(北愛尔兰战争)有著宗教基础的观點是不可靠的，由于虽然是罗馬教皇也無法控制战争。由此推断，作者认為從宗教角度来解释北愛尔兰战争是具有欺骗性的，因此B對的，其中deceptive是對原文中illusory的同义转述。A(建立在史实基础上)、C(明显的)、D(或許對的)均不對的。+我要找茬+加入錯題+收藏该題评论此題PassageFour

Theimmunesystemisthebody'sdefender.Itidentifies,tracksdown,anddestroystroublemakersbeforetheycanhurtthebody.Thosetroublemakersmaybe,forexample,bacteriafromacutorsplinter,ameaslesgerm,acoldbug,orevenacancercell.

Theseinvaderstrytotakeoverourtissuesandfeedoffourbodies'nutrients.Iftheysucceed,webecomesickor,sometimes,evendie.It'sthejobofourimmunesystemstodestroytheseinvadersbeforetheydestroyus.

Sayyoupickedupafluviruslastweek.Perhapsitenteredyourbodythroughacut,fromadrinkingglass,orfromtheairyoubreathe.Ofcourse,youdidn'tfeelit,butthevirusmadeitswayintoyourbloodstream.Assoonasitenteredyourbody,itbegantoreproduce.Viruseshaveonlyonegoal:totakeoveryourcells.Onceinsideyourbody,virusestrytoentercellsanddisrupttheirnormalwork.Ifleftalone,theseviruseswouldhurtsomanycellsthatyouwouldweaken,orworse,getaseriousillness.

Butthisfluvirusshouldnotbeascomplacentasitseemstobe.Asitreproducesinyourbloodstream,thevirusismetbyacertainkindofwhitebloodcell,thelymphocytes.Thelymphocytesarethefootsoldiersthatkeepyoualive.

Thenumberoflymphocytesinyourbodyishardtoimagine.Thousandsofthemcouldfitintheperiodattheendofthissentence.Yourbodyholdsaboutatrillion--that's1,000,000,000,000ofthem,orabout3,000ineverydropofblood.Sinceyoubeganreadingthissentence,over800,000ofthemhavebeencreatedanddestroyed.

Someoftheselymphocytespassthroughasmallwalnut-sizedorgancalledthethymus(胸腺).Thethymusisthebaseoftheneck.Herespecialhormonesturnlymphocytesintofightingcells,calledTcells.

Tcellshaveoneterrifictalent:theycantellthedifferencebetweenfriendandfoe;whatshouldbeinourbodiesandwhatshouldn't.Theydonotaffectthebody'shealthycells.Yettheyattackeverythingthatisforeigntoourbodies,suchasgerms,"transplants,andevenourowncellswhichhavebecomeabnormal,asinthecaseofcancer.16Whatisthefunctionofourimmunesystem?

A.Totakeoverourtissuesandfeedoffourbodies'nutrients.

B.Topreventbacteriaorgermsfromenteringthebody.

C.Todestroythetroublemakersinorderthattheymightnothurtthebody.

D.TofightagainstTcells.[對的答案]C[您的答案]本題分值：1分您的得分：0分试題解析:推断題。文章第二段最终一句指出，免疫系统的工作是在入侵者伤害人体之前将其消灭，結合上一段可知，此处的“入侵者”(invaders)指的是细菌等侵入人体的麻烦制造者，因此C對的。第二段首句提到，试图控制人体组织并占用人体养分的是入侵者，而不是免疫系统，故排除A；原文并未提到免疫系统可以防止细菌進入人体，故排除B；倒数第二段提到，T细胞是免疫系统的一部分，故排除D。+我要找茬+加入錯題+收藏该題评论此題17Whatdoestheword"lymphocytes"(Line3,Para.4)mean?

A.Footsoldiers.

B.Fluvirus.

C.Whitebloodcells.

D.Troublemakers.[對的答案]C[您的答案]本題分值：1分您的得分：0分试題解析:語义題。被考察詞所在句意為“當流感病毒在血液裏繁殖時，病毒會遭遇一种特定的白血球，即______”。由此可知，被考察詞是對之前“一种特定的自血球”(acertainkindofwhitebloodcell)的深入阐明，可見lymphocytes就是一种白血球，因此C對的。+我要找茬+加入錯題+收藏该題评论此題18ThelastsentenceofPara.5impliesthat______.

A.thissentencecontributestotheincreaseofthenumberoflymphocytesinyourbody

B.youwouldnotrealizethatlymphocytesreproducethemselvesrapidlybutforthissentence

C.becauseyoureadthissentence,alargenumberoflymphocyteshavebeenconsumed

D.thenumberoflymphocytesinyourbodyisextremelylarge[對的答案]D[您的答案]本題分值：1分您的得分：0分试題解析:推断題。文章第五段最终一句指出，從你開始讀這個句子起，有超過80萬個淋巴细胞被制造出来或被破壞掉。再結合首句捉到的人体内淋巴细胞的数量大得惊人推断可知，此句意在强调淋巴细胞的数量之多，因此D對的。+我要找茬+加入錯題+收藏该題评论此題19WhichofthefollowingcanbedetectedbyTcells?

A．Cancercellsandtransplants．

B．Thymusandlymphocytes．

C．Thymusandgerms．

D．Healthycellsandhighbloodpressure．[對的答案]A[您的答案]本題分值：1分您的得分：0分试題解析:推断題。文章最终一段指出，T细胞可以识别朋友和敌人，可以识别什么应當在我們体内，什么不应當留在体内，結合最终一句可知，移植器官和癌细胞都属于“敌人”，因此选A。健康的细胞显然属于“朋友”，而胸腺称不上是朋友或敌人，故排除B、C、D。+我要找茬+加入錯題+收藏该題评论此題20Whichofthefollowingquestionsbestsummarizes1hemainideaofthewholepassage?

A．Howdoestheimmunesystemattackthefluvirus?

B．Howdoestheimmunesystemfunctioninourbody?

C．Howdothelymphocytesworkinourbody?

D．Whatisthesocalledimmunesystem?[對的答案]B[您的答案]本題分值：1分您的得分：0分试題解析:主旨題。文章首先阐明免疫系统的作用，然後举例阐明流感病毒入侵人体後，淋巴细胞會与其進行战斗，综合可知，本文重要讨论免疫系统是怎样在人体内发生作用的，故选B。A、C、D三项在文中均有所波及，但都不够全面，故排除。+我要找茬+加入錯題+收藏该題评论此題Unit2

PassageOne

WindowsVista,thelatestiteration(反复)ofMicrosoft'soperatingsystem,isfinallyhere.ItwasofficiallyreleasedtocorporateuserslastweekandwillbeavailabletoconsumersonJan.30.ButnowthatVistaisready,willyourcomputerbe?Andwhatwillbeinvolvedinanupgrade?

MicrosoftsaysVistaoffersincreasedsecurity,alongwithanimprovedsearchfunction,anexcellentcalendarprogram,improvednetworkingandasidebarwithquickaccesstomin-programscalledgadgets.Withtherightdisplayadapter,someeditionsofVistawillalsoofferanewinterfacecalledAerothatletsyoupreviewwhatisinsidearunningprogrambyplacingyourcursor(光標)overitsthumbnailinthetaskbar.

ItwillbepossibleformanyPCuserstospend$99to$259topurchaseaVistaDVDtoupgradetheirexistingWindowsXPmachines.Butbeforeyoudothat,youneedtotakeagoodlookatyourPCaswellasyourperipherals(外围设备)andsoftware.Ifyoursystemisn'tquitecompatible,itmightbepossibletomakeitreadyforVistawithsomeadditionalmemoryorperhapsanewvideocard.

EvenifyourPCisVista-ready,thatdoesn'tmeanyoushouldbuytheupgradekit.Formostusers,especiallythosewhosehardwareisn'tquiteuptospeed,itmightmakesensetowaituntilit'stimeforanewPC.

TheeasiestwaytogetVistaistobuyanewPCafterJan.30.IfyouwantanewPCsooner,makesurethehardwareisVista-readyandseeifthevendorisofferingacouponforafreeorlow-costupgradewhenVistacomesout.ItisessentialtocomparethecostofbuyinganewsystemagainstpurchasingVistaandupgradingyourcurrentPC.BythetimeyouaddupthecostofVistaplusanyrequiredhardware,itmightmakemoresensetogetanewmachine.

OnevariableforthosethinkingofupgradingisVista'ssystemrequirements,whichvarybyedition.Microsoftwilloffera$99HomeBasicEditionthatprovideslimitedfunctionalitybutrunsonmorebasicequipment.Unlikethehigher-endversions,HomeBasicwon'tsupportthenewAerointerface.

Ifyou'rereluctanttoupgrade,don'tfret(烦恼).IfWindowsXPworksforyounow,itwillcontinuetoworklongafterJan.30.Besides,Vistaisn'tgoingawayanytimesoon.Whetheryouwanttoornot,you'llprobablyheusingitonyournextPC.21WhatcanWindowsVistabringtoPCusers?

A.Anewdisplayadapter.

B.Moremini-programs.

C.Betterinterfaces.

D.Animprovedsearchfunction.[對的答案]D[您的答案]D本題分值：1分您的得分：1分试題解析:细节題。文章第二段指出，微软称Vista會增强安全性，并提供改善的搜索功能、杰出的曰历程序、改善的网络，以及可以迅速進入小程序的工具条，因此D對的。+我要找茬+加入錯題+收藏该題评论此題22WindowsVistacanberunon______.

A.allkindsofcomputers

B.somecomputerswithWindowsXPsystem

C.computerswithanewvideocard

D.computerswithadditionalmemory[對的答案]B[您的答案]C本題分值：1分您的得分：0分试題解析:推断題。文章第三段首句指出，許多种人電脑顾客花99到259美元就可以买到Vista的数字光盘来升级他們已經装有WindowsXP系统的電脑，由此断，Vista应當可以在某些装有WindowsXP操作系统的電脑上运行，所以B對的。+我要找茬+加入錯題+收藏该題评论此題23ItmightmakemoresensetobuyanewPCthantoupgradeyourcurrentPCbecause______.

A.WindowsVistamayrunbetteronanewPCthanonthecurrentone

B.purchasingVistaandupgradingthecurrentPCmaycostmoremoneythanbuyinganewPC

C.it'shardtogettheupgradekitofVistaformostPCusers

D.theuseofVistamayrequirecertainhardwarethatonlynewPCscontain[對的答案]B[您的答案]B本題分值：1分您的得分：1分试題解析:推断題。文章倒数第三段指出，有必要比较买一台新電脑的费用和购置Vista升级既有電脑的费用，把购置Vista和所需硬件的费用加起来，买一台新電脑也許更故意义，由此推断，购置Vista再升级電脑花的钱也許比买台新電脑花的钱還要多，因此B對的。+我要找茬+加入錯題+收藏该題评论此題24WhatwillhappenifaPCuserdoesn'tuseVista?

A.ThePCwillworkjustasbefore.

B.ThePCwillstopworking.

C.ThePCwillbereplacedbyotherelectronicproducts.

D.ThePCwillbeattackedbysomevirus.[對的答案]A[您的答案]A本題分值：1分您的得分：1分试題解析:推断題。文章最终一段指出，假如你不想升级，也不用烦恼，假如你目前使用WindowsXP操作系统，那1月30曰後来還可以继续使用，再結合第一段提到的個人版Vista将在1月30曰公布推断可知，個人電脑顾客就算不用Vista，電脑也還會像此前那样运转，因此A對的。+我要找茬+加入錯題+收藏该題评论此題25Whatisthepassagemainlytalkingabout?

A.TheadvantagesofVista.

B.HowtoupgradeyourcurrentPC?

C.ArePCusersreadytouseVista?

D.ThepopularityofVista.[對的答案]C[您的答案]A本題分值：1分您的得分：0分试題解析:主旨題。文章第一段提到，Vista：操作系统已經上市了，你的電脑做好升级的准备了吗?第三段指出，假如電脑操作系统不兼容vista，就也許需要增長内存或更换新的显卡；第四段指出，虽然電脑可以使用Vista也不是必须升级，對于硬件配置不够高的電脑顾客，最佳购置新的電脑；最终又指出，假如不想升级也不必烦恼，可以继续使用WindowsXP。综合可知，文章重要论述電脑顾客与否准备好使用vista的問題，因此C對的。+我要找茬+加入錯題+收藏该題评论此題PassageTwo

AreportonanewsoftwarethatenableseyestodothetypingappearsinWednesday'seditionofthejournalNature.Replacingakeyboardormouse,eye-scanningcamerasmountedoncomputershavebecomenecessarytoolsforpeoplewithoutlimbsorthoseaffectedwithparalysis.Thecameratracksthemovementoftheeye,allowingusersto"type"onavirtualkeyboardastheylookatthescreen.Andnow,researchersfromtheCavendishLaboratoryatCambridgeUniversitysaytheyhavedevelopedsoftwarethatreplacesthestandardQWERTY(原则的老式键盘)keyboardlayoutwithonethatisnearlytwiceasefficient,moreaccurateandeasierontheeyes.CalledDasher,theprototypeprogramtapsthenaturalgazeoftheeyeandmakespredictablewordsandphrasessimplertowrite.Anyoff-the-shelfcameracapableofscanningeyemovementcanbeusedwithDasher,thoughthepersonmustsitfairlystillduringtheinteraction.

Thelettersofthealphabetappearinasinglecolumnontherightofthescreen,withanunderscoresymboltorepresentaspace.Eachletterisframedbyacoloredbox.Astheuserlooksataparticularletterontherightsideofthescreenanddragsittotheleftwiththeireye,anothersub-alphabetcolumnbeginstoemergeinsidetheboxontherighthandside,alongwithmorelettersflamedincoloredboxes.Dasherisdesignedtoanticipatewhichletterwillbeneeded,soalthoughthesuccessivesub-alphabetcolumnsareinitiallyverysmall,thelettersorcombinationoflettersthatsimultaneouslyappeararemostlikelytobeusednextinthatsequence.Forexample,ifapersonstartswiththeletter"h",thelanguagemodelsinDasherwillbringup"a","e","i","o"and"u"inthesub-alphabetbox,alongwithafewotherpossiblecombinationslike"hello"toformtheword

"hello".Eachboxhasacompletealphabetwithinit,thoughthefirstletterstoappearhavethehighestprobabilityofusage.Thelettersarethenplacedtogethertoformasentenceontheleftsideofthescreen.

Researcherssaypeoplewillbeabletowriteupto25wordsperminutewithDashercomparedtoon-screenkeyboards,whichtheysayaverageabout15wordsperminute.Withabitofpractice,MacKaysaid,Dasheroffersaneasierandmoresatisfyingwayfordisabledpeopletocommunicate,providingthemwithbettertoolstowritee-mailorcreatewordprocessorfiles.MacKaysaidDashercouldworkinmostlanguages.26"Paralysis"(Line4,Para.1)mostprobablymeans______.

A.short-sightedness

B.allergy

C.inabilitytomove

D.color-blindness[對的答案]C[您的答案]本題分值：1分您的得分：0分试題解析:語义題。被考察詞所在句意為“安装在電脑上的眼部扫描摄影机取代了键盘或鼠標，對于那些四肢残缺或受到______影响的人而言，该眼部扫描摄影机成為了必要的工具。”由句中的最终一种or可知，被考察詞的含义与“四肢残缺”相近或有关，結合选项可知，此处指的应當是四肢無法活動，因此C對的。+我要找茬+加入錯題+收藏该題评论此題27WiththenewsoftwareDasher,peoplecantypewiththeireyesthrough______.

A.acomputerscreenwitheye-scanningsensors

B.aneye-scanningcameraonthecomputer

C.acoloredboxattachedtothecomputer

D.aregularkeyboardwithsensors[對的答案]B[您的答案]本題分值：1分您的得分：0分试題解析:推断題。文章第一段第二、三句指出，安装在電脑上的眼部扫描摄影机替代了键盘和鼠標，摄影机追踪眼睛的运動，使得使用者可以在看屏幕時在虚拟键盘上打字，由此推断，使用者是借助電脑上的眼部扫描摄影机来打字的，因此B對的。+我要找茬+加入錯題+收藏该題评论此題28Thenewmethodoftypingwillmostbenefitthosepeoplewho______.

A.havereadingdifficulties

B.arephysicallychallenged

C.arevisuallyincompetent

D.donothaveabigvocabulary[對的答案]B[您的答案]本題分值：1分您的得分：0分试題解析:推断題。由文章第一段第二句可知，對于那些四肢残缺或瘫痪的人而言，新软件将成為必要的工具，由此推断，最能從新的打字方式中受益的是四肢残疾的人，因此B對的。+我要找茬+加入錯題+收藏该題评论此題29WecanknowfromthispassagethatthesoftwareDasher______,

A.isabletopredictthenextsequenceofwordstheuserisgoingtowrite

B.doesnotallowtheusertomovealotduringtheinteraction

C.hastobeusedwitheye-scanningcamerasspeciallydesignedforthesoftware

D.canformcoherentsentencesbasedonthefirstwordtypedinbytheuser[對的答案]B[您的答案]本題分值：1分您的得分：0分试題解析:细节題。文章第一段最终一句指出，该软件可以和任何有扫描眼部运動功能的摄影机兼容，不過顾客在使用過程中必须尽量静坐不動，由此可知，该软件無需特制的眼部扫描摄影机，但规定顾客在使用過程中不能做太多的動作，故排除C，确定B為答案。第二段第三句提到，该软件可以预测接下来需要什么字母，但并未提到它可以预测顾客所要写的單詞的次序，也未提到它可以根据顾客输入的第一种單詞形成连贯的句子，故排除A、D。+我要找茬+加入錯題+收藏该題评论此題30WhichofthefollowingisTRUEaboutDasher?

A.Itcanbeusedtowrite15morewordsthanon-screenkeyboard.

B.Itiseasiertousethanordinarykeyboards.

C.Itcanprovidehintsforpossibleletterstobewritten.

D.Itisanindependenttextprocessor.[對的答案]C[您的答案]本題分值：1分您的得分：0分试題解析:推断題。文章第二段第三句提到，Dasher软件有联想输入功能，它可预测顾客接下来需要什么字母，尽管列出的字母開始很少，但列出的字母和字母组合则是最有也許在随即用到的，由此推断，该软件對于也許用到的字母會有提醒，因此c對的。文章最终一段首句提到，使用该软件每分钟最多可以输入25個單詞，而运用屏幕键盘平均每分钟能输入15個單詞，由此可知，与运用屏幕键盘相比，运用该软件每分钟可以多输入10個單詞，而并非15個單詞，故排除干扰项A。+我要找茬+加入錯題+收藏该題评论此題PassageThree

Nearlysixyearsafterthesequenceofthehumangenomewassketchedout,onemightassumethatresear