六級閱讀練習試題

六級閱讀練習試題一、閱讀理解（共20題，合計100分）Unit1PassageOneCarbondioxidemakesuplessthanonepercentoftheEarth'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.icefromAntarcticaandGreenlandisappropriatetoshowthechangecarbondioxideisreleasedmainlyfromthefuelglobaltemperaturesincreaseasthelevelofcarbondioxideincreasescarbondioxideishelpfulfortreegrowth［正確答案］C［您的答案］C本題分值：1分您的得分：1分試題解析：推斷題。文章第一段指出，位于華盛頓的國家科學院的一個委員會發(fā)表了一份報告，該報告證實了全球溫度在過去一百年升高了六分之一攝氏度，還證實發(fā)了二氧化碳含量正在增高，由此推斷，報告顯示二氧化碳含量和全球溫度都有所升高，所以C正確。+我要找茬+加入錯題+收藏該題評論此題2Whichofthefollowingcanbethesourceofcarbondioxide?1/46六級閱讀練習試題Oilandsoil.Soilandtrees.Woodandsoil.Treesandoil.［正確答案］D［您的答案］A本題分值：1分您的得分：0分試題解析：細節(jié)題。文章第三段第三句提到，石油、煤和木材都是能釋放二氧化碳的燃料；倒數(shù)第二段最后兩句提到，樹葉從樹上落下來的時候會釋放二氧化碳，植物在呼吸過程中也會自然地釋放二氧化碳，再結合常識可知，土壤無法產生二氧化碳，所以排除A、B、C，選D。+我要找茬+加入錯題+收藏該題評論此題3Accordingtothispassage,somepeopledisagreewiththecontrolofcarbondioxidebecausetheythinkthatcarbondioxideisbeneficialforplantgrowththeywanttousemorefuelsthatcanemitcarbondioxidetheythinkcarbondioxideisnotthemainreasonforglobalwarmingtheythinkitwilldestroythenaturalbalanceofgasesintheworld［正確答案］B［您的答案］A本題分值：1分您的得分：0分試題解析：推斷題。文章第匹l段第三句指出，一些支持燃燒石油和煤的組織想要增加大氣中二氧化碳的含量，他們反對國際上為控制二氧化碳所做的努力，由此推斷，他們反對控制二氧化碳的原因是他們想更多地使用那些可能釋放二氧化碳的燃料，所以B正確。由第五段第二句可知，一些組織甚至認為二氧化碳的增加會促進植物生長，但這并非他們反對控制二氧化碳的原因，故排除干擾項A。+我要找茬+加入錯題+收藏該題評論此題4ThosestudiescarriedoutinNorthCarolinasuggestthat.trees'functionforabsorbingcarbondioxideislimitedcarbondioxideisthemaincauseforglobalwarmingleavesfallingfromtreescanemitmoreoxygencarbondioxideisbeneficialfortrees'growthformanydecades［正確答案］A［您的答案］A本題分值：1分您的得分：1分試題解析：推斷題。文章倒數(shù)第二段指出，最近在北卡羅來納州進行的一項研究發(fā)現(xiàn)，空氣中二氧化碳的增多能促進樹木加速生長，但研究人員還發(fā)現(xiàn)這種功效只能持續(xù)三年，由此推斷，盡管樹木可以吸收二氧化碳，但這種吸收功能是有限的，所以A正確。+我要找茬+加入錯題+收藏該題評論此題5Theword"issue"(Line1,Para.7)canbereplacedantopic2/46六級閱讀練習試題publicationresult［正確答案］B［您的答案］B本題分值：1分您的得分：1分試題解析：語義題。被考查詞所在句意為“大氣中氣體的自然平衡是一個復雜的科學”，再結合之后提到的關于二氧化碳的爭論可知，氣體的自然平衡應該是一個科學論題，所以B正確。A（器官）、C（出版物）、D（結果）均不符合句意。+我要找茬+加入錯題+收藏該題評論此題PassageTwoThehigh-techrevolutionhasinspiredaseeminglyendlessstreamofnewandexcitingelectronicproductsthatwejustcan'tlivewithout.Infact,thedizzyingspeedoftechnologicalinnovationcanmakelastyear'smustthisyear'sjunk.Andthat'stheproblem.Theaveragelifespanatpersonalcomputerhasshrunktoaround19months--andthishasnothingtodowithworn-outmiceordamageddiskdrives.Simplyput,electronicproductscanbecomeobsoletebeforeyou'veevenfiguredouthowtheywork.Sowhathappenstoallthoseoldkeyboards,monitors,organizersandCPUs?Mostarestashedawayintheatticorforgotteninacorporatewarehouse,takingupvaluablespace.Butmanyendupinlandfills,andthatiswherethetroublereallybegins.Computermonitorscancontainupto3.5kgofleadandcanactuallybeconsideredhazardouswasteoncetheyarenolongerinuse.Circuitboardsinelectronicproductscontaincadmium（車鬲）,chromium（銘）andmercury,allofwhicharetoxicsubstancesthatcanleachintogroundwaterifleftinalandfill.Unfortunately,thisdisposalproblemisnotgoingtodisappearanytimesoon--infact,itisgrowingbytheminute.InJapanalone,consumersthrowawaysome20millionTVs,washingmachines,refrigeratorsandairconditionerseachyear.InEurope,6millionmetrictonsofelectricalandelectronicequipmentweregeneratedin1998alone,andthatvolumeisexpectedtoincreasethreetofivepercentperyear--whichmeansby2010itcouldnearlydouble.What'stobedonewithallthistechno-trash?Electronicsmanufacturersareworkinghardtoanswerthisquestion.TheEuropeanCommissionhasproposedadirectivethatwouldrequireallelectronicsmanufacturerstotakebackandproperlydisposeofallelectronicproducts,regardlessoftheirage.Thedetailsarestillbeingironedout,butsomeversionofthedirectivewillmostprobablybecomelawinthenextfewyears.SimilarlegislationisintheworkintheU.S.andhasalreadypassedinJapan.Asthecostsofsuchprogramscouldquicklybecomeprohibitive,companiesaresearchingfornewwaysoftacklingdisposalissuesbeforetheybecomeaproblem.Onewaytoreducewasteistoavoidthrowingthinginthefirstplace.Manycompaniesreusepartsfromoldproductsinnewmodels.Thisisnotcheating--itmakesbothenvironmentalandeconomicsense.6Theauthormainlyintendstoaddress.theissueoftechnologicalinnovationsthenecessityofupdatingcomputerhardwaretheconservationofnaturalresources3/46六級閱讀練習試題thedisposalproblemofelectronicproducts［正確答案］D［您的答案］本題分值：1分您的得分：0分試題解析：主旨題。文章第一段指出，科技的飛速發(fā)展使得去年的必需品成為今年的垃圾；接下來的兒段介紹了電子垃圾可能造成的危害；第五段指出，垃圾處理面臨的問題不會馬上消失；最后幾段介紹了應該如何處理電子垃圾。綜合可知，本文主要討論了電子產品的處理問題，所以D正確。+我要找茬+加入錯題+收藏該題評論此題7Computermonitorsdisposedwillposeadangertoenvironment.ifburiedinlandfillswhenputawayinwarehousesoncenolongerinuseunlessstashedwithotherappliances［正確答案］A［您的答案］本題分值：1分您的得分：0分試題解析：推斷題。文章第三段最后一句指出，許多舊鍵盤、顯示器、中央處理器等都被埋在了垃圾掩埋場，而那就是麻煩開始的地方；第四段第一句指出，電腦顯示器中含有多達3.5千克的鉛，如果不再使用實際上就是危險廢品，而由常識可知，鉛會對環(huán)境造成危害。由此推斷，如果采用垃圾掩埋法來處理電腦顯示器，其中的鉛就會對環(huán)境造成危害，所以A正確。+我要找茬+加入錯題+收藏該題評論此題8ThecaseofJapaninPara.5ismentionedtoshow.shortenedlifespanofpersonalcomputerstheexplosionoftech-trashtheinsensibilityofJapaneseconsumerstheleadingroleofthiscountry［正確答案］B［您的答案］本題分值：1分您的得分：0分試題解析：推斷題。文章第五段第一句指出，不幸的是這種垃圾處理面臨的問題不會馬上消失，事實上這種問題每分鐘都在增加；接著便以日本消費者丟棄大量電器為例進行說明。由此推斷，該段提到日本的例子是為了說明高科技垃圾的數(shù)量之多及其嚴重性，所以B正確。+我要找茬+加入錯題+收藏該題評論此題9Itcanbeconcludedfromthepassagethatobsoleteelectronicproductsshouldberecycledforlackoflegislativedirectivesformulatedintheinterestsofelectronicmanufacturersoutofenvironmentalandeconomicconcerninresponsetopublicprotestsagainstpollution［正確答案］C［您的答案］4/46六級閱讀練習試題本題分值：1分您的得分：0分試題解析：推斷題。文章最后兩句指出，許多公司在新機型上重新使用舊產品的零件，這不是欺騙，而是具有環(huán)保和經(jīng)濟意義，由此推斷，循環(huán)利用舊電子產品是出于環(huán)保和經(jīng)濟考慮，所以c正確。+我要找茬+加入錯題+收藏該題評論此題10Wecanlearnfromthepassagethathigh-techcompanies.trytheirbesttoavoidlegalobligationsasmuchaspossiblealwayshavethefinalsayindisposalissuesunderdiscussionarechieflyresponsibleforthedangerouswastepollutionD.strivetodevelopcontinuallyupdatedelectronicproducts［正確答案］D［您的答案］本題分值：1分您的得分：0分試題解析：推斷題。文章開頭指出，科技的飛速發(fā)展使去年的必需品成為今年的垃圾，之后又多次提到消費者不斷丟棄舊的電子產品，轉而使用新的電子產品，由此推斷，電子產品更新?lián)Q代的速度非?？欤@應該是高科技公司不懈努力的結果，所以D正確。+我要找茬+加入錯題+收藏該題評論此題PassageThreeAstrangethingabouthumansistheircapacityforblindrage.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,oruntilthecombatantsbecome5/46六級閱讀練習試題exhausted.11Asuitabletitleforthispassagewouldbe.WhyHumanArmiesAreFormedMan'sAngeragainstRageTheHumanCapacityforRageEarlyStrugglesofAngryMan［正確答案］C［您的答案］本題分值：1分您的得分：0分試題解析：主旨題。文章第一段指出，人類有產生無名之火的能力，人們只對自己的同類感到憤怒；第二段指出，人類總是將自身分為‘我們”和“他們”的對立團體；第三段指出，人類愿意把自身歸入某一團體之中，這使大規(guī)模軍隊的形成成為可能，再加上“我們和他們”這種無名之火，就會引發(fā)破壞性沖突。綜合可知，文章主要在論述人類產生無名之火的能力，所以C正確。+我要找茬+加入錯題+收藏該題評論此題12Accordingtotheauthor,thesurprisingaspectofhumanangeris.itslengthyandcomplexdevelopmentaconflictsuchasisnowgoingoninNorthernIrelandthatwedonotoftenflyintoatemperthatwereserveangerformankind［正確答案］D［您的答案］本題分值：1分您的得分：0分試題解析：推斷題。文章第一段第二句指出，憤怒大概是源于求生本能的一種情感，但令人吃驚的是我們不會對其他動物感到憤怒；第五句指出，我們只將憤怒留給同類。由此推斷，人類憤怒令人吃驚的一面是我們只對人感到憤怒，所以D正確。+我要找茬+加入錯題+收藏該題評論此題13Fromthepassagewecaninferthat.theartificialcreationofasubspeciesunlikeusissomethingthatneverhappensgamesarepsychologicallyunhealthyanyartificiallycreatedsubspecieswouldbeourenemytherealorimaginedexistenceofanopposingsubspeciesisinherentinman'sactivities［正確答案］D［您的答案］本題分值：1分您的得分：0分試題解析：推斷題。第一段最后一句指出，很難明白用來攻擊自身的憤怒有什么存在價值，但我們如果考慮到我們自己的亞種和其他人類群體之間必然存在的長期競爭，就更容易理解人類的憤怒，由此推斷，人類活動中總是存在著真實的或想像的與我們對立的亞種，所以D正確。+我要找茬+加入錯題+收藏該題評論此題14Thepassagesuggeststhat.historically,wehavecreatedan"us"versus"them"societyhumanshavehadanaturaldisinclinationtowardformalgrouping6/46六級閱讀練習試題theFirstWorldWarisanexampleofhowmanhasalwaysavoideddominationtheemotionaloriginofthewarinIrelandislostintime［正確答案］A［您的答案］本題分值：1分您的得分：0分試題解析：推斷題。文章第二段提到，有許多日常語言和行為提醒著我們那些早期的斗爭，我們總是用“我們”和“他們”的字眼，我們這方總是試圖戰(zhàn)勝另一方。由此推斷，在歷史上我們創(chuàng)建出了與“他們”相對立的“我們”的社會，所以A正確。+我要找茬+加入錯題+收藏該題評論此題15TheauthorbelievesthatareligiousexplanationforthewarinNorthernIrelandis.A.foundedinhistoricalfactdeceptiveapparentprobablyaccurate［正確答案］B［您的答案］本題分值：1分您的得分：0分試題解析：推斷題。文章最后一段第四句指出，認為此次沖貨北愛爾蘭戰(zhàn)爭）有著宗教基礎的觀點是不可靠的，因為即使是羅馬教皇也無法控制戰(zhàn)爭。由此推斷，作者認為從宗教角度來解釋北愛爾蘭戰(zhàn)爭是具有欺騙性的，所以B正確，其中deceptive是對原文中illusory的同義轉述。A（建立在史實基礎上）、C（明顯的）、D（或許正確）均不正確。+我要找茬+加入錯題+收藏該題評論此題PassageFourTheimmunesystemisthebody'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.7/46六級閱讀練習試題Someoftheselymphocytespassthroughasmallwalnut-sizedorgancalledthethymus(胸腺).Thethymusisthebaseoftheneck.Herespecialhormonesturnlymphocytesintofightingcells,calledTcells.Tcellshaveoneterrifictalent:theycantellthedifferencebetweenfriendandfoe;whatshouldbeinourbodiesandwhatshouldn't.Theydonotaffectthebody'shealthycells.Yettheyattackeverythingthatisforeigntoourbodies,suchasgerms,"transplants,andevenourowncellswhichhavebecomeabnormal,asinthecaseofcancer.16Whatisthefunctionofourimmunesystem?Totakeoverourtissuesandfeedoffourbodies'nutrients.Topreventbacteriaorgermsfromenteringthebody.Todestroythetroublemakersinorderthattheymightnothurtthebody.TofightagainstTcells.［正確答案］C［您的答案］本題分值：1分您的得分：0分試題解析：推斷題。文章第二段最后一句指出，免疫系統(tǒng)的工作是在入侵者傷害人體之前將其消滅，結合上一段可知，此處的“入侵者”(invaders)指的是細菌等侵入人體的麻煩制造者，所以C正確。第二段首句提到，試圖控制人體組織并占用人體養(yǎng)分的是入侵者，而不是免疫系統(tǒng)，故排除A；原文并未提到免疫系統(tǒng)可以防止細菌進入人體，故排除B；倒數(shù)第二段提到，T細胞是免疫系統(tǒng)的一部分，故排除D。+我要找茬+加入錯題+收藏該題評論此題17Whatdoestheword"lymphocytes"(Line3,Para.4)mean?Footsoldiers.Fluvirus.Whitebloodcells.Troublemakers.［正確答案］C［您的答案］本題分值：1分您的得分：0分試題解析:語義題。被考查詞所在句意為“當流感病毒在血液里繁殖時，病毒會遭遇一種特定的白血球，即"。由此可知，被考查詞是對之前“一種特定的自血球”(acertainkindofwhitebloodcell)的進一步說明，可見lymphocytes就是一種白血球，所以C正確。+我要找茬+加入錯題+收藏該題評論此題18ThelastsentenceofPara.5impliesthat.thissentencecontributestotheincreaseofthenumberoflymphocytesinyourbodyyouwouldnotrealizethatlymphocytesreproducethemselvesrapidlybutforthissentencebecauseyoureadthissentence,alargenumberoflymphocyteshavebeenconsumedthenumberoflymphocytesinyourbodyisextremelylarge［正確答案］D［您的答案］本題分值：1分您的得分：0分試題解析:8/46六級閱讀練習試題推斷題。文章第五段最后一句指出，從你開始讀這個句子起，有超過80萬個淋巴細胞被制造出來或被破壞掉。再結合首句捉到的人體內淋巴細胞的數(shù)量大得驚人推斷可知，此句旨在強調淋巴細胞的數(shù)量之多，所以D正確。+我要找茬+加入錯題+收藏該題評論此題19WhichofthefollowingcanbedetectedbyTcells?Cancercellsandtransplants.Thymusandlymphocytes.Thymusandgerms.Healthycellsandhighbloodpressure.［正確答案］A［您的答案］本題分值：1分您的得分：0分試題解析：推斷題。文章最后一段指出，T細胞能夠識別朋友和敵人，能夠識別什么應該在我們體內，什么不應該留在體內，結合最后一句可知，移植器官和癌細胞都屬于敵人”，所以選A。健康的細胞顯然屬于“朋友”，而胸腺稱不上是朋友或敵人，故排除B、C、D。+我要找茬+加入錯題+收藏該題評論此題20Whichofthefollowingquestionsbestsummarizes1hemainideaofthewholepassage?Howdoestheimmunesystemattackthefluvirus?B．Howdoestheimmunesystemfunctioninourbody?C．Howdothelymphocytesworkinourbody?D．Whatisthesocalledimmunesystem?［正確答案］B［您的答案］本題分值：1分您的得分：0分試題解析：主旨題。文章首先說明免疫系統(tǒng)的作用，然后舉例說明流感病毒入侵人體后，淋巴細胞會與其進行戰(zhàn)斗，綜合可知，本文主要討論免疫系統(tǒng)是如何在人體內發(fā)生作用的，故選B。A、C、D三項在文中均有所涉及，但都不夠全面，故排除。+我要找茬+加入錯題+收藏該題評論此題Unit2PassageOneWindowsVista,thelatestiteration便復）ofMicrosoft'soperatingsystem,isfinallyhere.ItwasofficiallyreleasedtocorporateuserslastweekandwillbeavailabletoconsumersonJan.30.ButnowthatVistaisready,willyourcomputerbe?Andwhatwillbeinvolvedinanupgrade?MicrosoftsaysVistaoffersincreasedsecurity,alongwithanimprovedsearchfunction,anexcellentcalendarprogram,improvednetworkingandasidebarwithquickaccesstomin-programscalledgadgets.Withtherightdisplayadapter,someeditionsofVistawillalsoofferanewinterfacecalledAerothatletsyoupreviewwhatisinsidearunningprogrambyplacingyourcursor（光標）overitsthumbnailinthetaskbar.ItwillbepossibleformanyPCuserstospend$99to$259topurchaseaVistaDVDtoupgradetheirexistingWindowsXPmachines.Butbeforeyoudothat,youneedtotakeagoodlookatyourPCaswellasyourperipherals（夕卜圍設備）andsoftware.Ifyoursystemisn'tquitecompatible,itmightbepossibletomakeitreadyforVistawithsomeadditionalmemoryorperhapsanewvideo9/46六級閱讀練習試題card.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（煩惱）.IfWindowsXPworksforyounow,itwillcontinuetoworklongafterJan.30.Besides,Vistaisn'tgoingawayanytimesoon.Whetheryouwanttoornot,you'llprobablyheusingitonyournextPC.21WhatcanWindowsVistabringtoPCusers?A.Anewdisplayadapter.Moremini-programs.Betterinterfaces.Animprovedsearchfunction.［正確答案］D［您的答案］D本題分值：1分您的得分：1分試題解析：細節(jié)題。文章第二段指出，微軟稱Vista會增強安全性，并提供改進的搜索功能、出色的日歷程序、改善的網(wǎng)絡，以及可以快速進入小程序的工具條，所以D正確。+我要找茬+加入錯題+收藏該題評論此題22WindowsVistacanberunon.allkindsofcomputerssomecomputerswithWindowsXPsystemcomputerswithanewvideocardcomputerswithadditionalmemory［正確答案］B［您的答案］C本題分值：1分您的得分：0分試題解析：推斷題。文章第三段首句指出，許多個人電腦用戶花99到259美元就可以買到Vista的數(shù)字光盤來升級他們已經(jīng)裝有WindowsXP系統(tǒng)的電腦，由此斷，Vista應該可以在一些裝有WindowsXP操作系統(tǒng)的電腦上運行，所以B正確。+我要找茬+加入錯題+收藏該題評論此題23ItmightmakemoresensetobuyanewPCthantoupgradeyourcurrentPCbecause.WindowsVistamayrunbetteronanewPCthanonthecurrentonepurchasingVistaandupgradingthecurrentPCmaycostmoremoneythanbuyinganewPC10/46六級閱讀練習試題it'shardtogettheupgradekitofVistaformostPCuserstheuseofVistamayrequirecertainhardwarethatonlynewPCscontain［正確答案］B［您的答案］B本題分值：1分您的得分：1分試題解析：推斷題。文章倒數(shù)第三段指出，有必要比較買一臺新電腦的費用和購買Vista升級現(xiàn)有電腦的費用，把購買Vista和所需硬件的費用加起來，買一臺新電腦可能更有意義，由此推斷，購買Vista再升級電腦花的錢可能比買臺新電腦花的錢還要多，所以B正確。+我要找茬+加入錯題+收藏該題評論此題24WhatwillhappenifaPCuserdoesn'tuseVista?ThePCwillworkjustasbefore.ThePCwillstopworking.ThePCwillbereplacedbyotherelectronicproducts.ThePCwillbeattackedbysomevirus.［正確答案］A［您的答案］A本題分值：1分您的得分：1分試題解析：推斷題。文章最后一段指出，如果你不想升級，也不用煩惱，如果你現(xiàn)在使用WindowsXP操作系統(tǒng)，那1月30日以后還可以繼續(xù)使用，再結合第一段提到的個人版Vista將在1月30日發(fā)布推斷可知，個人電腦用戶就算不用Vista，電腦也還會像以前那樣運轉，所以A正確。+我要找茬+加入錯題+收藏該題評論此題25Whatisthepassagemainlytalkingabout?A.TheadvantagesofVista.HowtoupgradeyourcurrentPC?ArePCusersreadytouseVista?ThepopularityofVista.［正確答案］C［您的答案］A本題分值：1分您的得分：0分試題解析：主旨題。文章第一段提到，Vista：操作系統(tǒng)已經(jīng)上市了，你的電腦做好升級的準備了嗎?第三段指出，如果電腦操作系統(tǒng)不兼容vista，就可能需要增加內存或更換新的顯卡；第四段指出，即使電腦可以使用Vista也不是必須升級，對于硬件配置不夠高的電腦用戶，最好購買新的電腦；最后又指出，如果不想升級也不必煩惱，可以繼續(xù)使用WindowsXP。綜合可知，文章主要論述電腦用戶是否準備好使用vista的問題，所以C正確。+我要找茬+加入錯題+收藏該題評論此題PassageTwoAreportonanewsoftwarethatenableseyestodothetypingappearsinWednesday'seditionofthejournalNature.Replacingakeyboardormouse,eye-scanningcamerasmountedoncomputershavebecomenecessarytoolsforpeoplewithoutlimbsorthoseaffectedwithparalysis.Thecameratracksthemovementoftheeye,allowingusersto"type"onavirtualkeyboardasthey11/46六級閱讀練習試題lookatthescreen.Andnow,researchersfromtheCavendishLaboratoryatCambridgeUniversitysaytheyhavedevelopedsoftwarethatreplacesthestandardQWERTY(標準的傳統(tǒng)鍵盤)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.short-sightednessallergyinabilitytomovecolor-blindness［正確答案］C［您的答案］本題分值：1分您的得分：0分試題解析：語義題。被考查詞所在句意為“安裝在電腦上的眼部掃描照相機取代了鍵盤或鼠標，對于那些四肢殘缺或受到影響的人而言，該眼部掃描照相機成為了必要的工具?！庇删渲械淖詈笠粋€or可知，被考查詞的含義與“四肢殘缺”相近或相關，結合選項可知，此處指的應該是四肢無法活動，所以C正確。+我要找茬+加入錯題+收藏該題評論此題27WiththenewsoftwareDasher,peoplecantypewiththeireyesthrough.acomputerscreenwitheye-scanningsensorsaneye-scanningcameraonthecomputeracoloredboxattachedtothecomputeraregularkeyboardwithsensors［正確答案］B［您的答案］12/46六級閱讀練習試題本題分值：1分您的得分：0分試題解析：推斷題。文章第一段第二、三句指出，安裝在電腦上的眼部掃描照相機代替了鍵盤和鼠標，照相機追蹤眼睛的運動，使得使用者可以在看屏幕時在虛擬鍵盤上打字，由此推斷，使用者是借助電腦上的眼部掃描照相機來打字的，所以B正確。+我要找茬+加入錯題+收藏該題評論此題28Thenewmethodoftypingwillmostbenefitthosepeoplewho.havereadingdifficultiesarephysicallychallengedarevisuallyincompetentdonothaveabigvocabulary［正確答案］B［您的答案］本題分值：1分您的得分：0分試題解析：推斷題。由文章第一段第二句可知，對于那些四肢殘缺或癱瘓的人而言，新軟件將成為必要的工具，由此推斷，最能從新的打字方式中受益的是四肢殘疾的人，所以B正確。+我要找茬+加入錯題+收藏該題評論此題29WecanknowfromthispassagethatthesoftwareDasher,isabletopredictthenextsequenceofwordstheuserisgoingtowritedoesnotallowtheusertomovealotduringtheinteractionhastobeusedwitheye-scanningcamerasspeciallydesignedforthesoftwarecanformcoherentsentencesbasedonthefirstwordtypedinbytheuser［正確答案］B［您的答案］本題分值：1分您的得分：0分試題解析：細節(jié)題。文章第一段最后一句指出，該軟件可以和任何有掃描眼部運動功能的照相機兼容，但是用戶在使用過程中必須盡量靜坐不動，由此可知，該軟件無需特制的眼部掃描照相機，但要求用戶在使用過程中不能做太多的動作，故排除C，確定B為答案。第二段第三句提到，該軟件可以預測接下來需要什么字母，但并未提到它可以預測用戶所要寫的單詞的順序，也未提到它可以依照用戶輸入的第一個單詞形成連貫的句子，故排除A、D。+我要找茬+加入錯題+收藏該題評論此題30WhichofthefollowingisTRUEaboutDasher?Itcanbeusedtowrite15morewordsthanon-screenkeyboard.Itiseasiertousethanordinarykeyboards.Itcanprovidehintsforpossibleletterstobewritten.Itisanindependenttextprocessor.［正確答案］C［您的答案］本題分值：1分您的得分：0分試題解析：推斷題。文章第二段第三句提到，Dasher軟件有聯(lián)想輸入功能，它可預測用戶接下來需要什么字母，盡管列出的字母開始很少，但列出的字母和字母組合則是最有可能在隨后用到的，13/46六級閱讀練習試題由此推斷，該軟件對于可能用到的字母會有提示，所以c正確。文章最后一段首句提到，使用該軟件每分鐘最多可以輸入25個單詞，而利用屏幕鍵盤平均每分鐘能輸入15個單詞，由此可知，與利用屏幕鍵盤相比，利用該軟件每分鐘可以多輸入10個單詞，而并非15個單詞，故排除干擾項A。+我要找茬+加入錯題+收藏該題評論此題PassageThreeNearlysixyearsafterthesequenceofthehumangenomewassketchedout,onemightassumethatresearchershadworkedoutwhatallthatDNAmeans.Butanewinvestigationhasleftthemwonderingjusthowsimilaroneperson'sgenomeistoanother's.GeneticistshavegenerallyassumedthatyourstringofDNA"letters"is99.9%identicaltothatofyourneighbor's,withdifferencesintheoddindividualletter.Thesedifferencesmakeeachpersongeneticallyunique-influencingeverythingfromappearanceandpersonalitytosusceptibilitytodisease.Butholdon,saytheauthorsofanewstudypublishedinNature.Theyhaveidentifiedsurprisinglylargechunksofthegenomethatcandifferdramaticallyfromonepersontothenext."Everyonehasauniquepattern,"saysoneoftheleadauthors,MatthewHurlesattheWelcomeTrustSangerInstituteinCambridge,U.K.Thedifferencesinquestion-madeupofstretchesofDNAthatspantenstohundredsofthousandsofchemicalletters--arecalled"copy-number