CET6 大学英语6级试题含听力原文+试题答案Word文档格式.docx
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Forthispart,youareallowed30minutestowriteashortessayentitledWillE-booksReplaceTraditionalBooks?
Youshouldatleastwrite150wordsfollowingtheoutlinegivenbelow.
1.随着信息技术的发展,电子图书越来越多;
2.有人认为电子图书将会取代传统图书,理由是……
3.我的看法。
PartⅡ ReadingComprehension(SkimmingandScanning)
Inthispart,youwillhave15minutestogooverthepassagequicklyandanswerthequestionsonAnswerSheet1Forquestions1-7,choosethebestanswerfromthefourchoicesmarkedA),B),C)andD).Forquestions8-10,completethesentenceswiththeinformationgiveninthepassage.
Whatwilltheworldbelikeinfiftyyears?
Thisweeksometopscientists,includingNobelPrizewinners,gavetheirvisionofhowtheworldwilllookin2056,frongas-poweredcarstoextraordinaryhealthadvances,JohnInghamreportsonwhattheworld’sfinestmindsbelieveourfutureswillbe.
Forthoseofusluckyenoughtolivethatlong,2056willbeaworldofalmostperpetualyouth,whereobesityisaremotememoryandrobotsbecomeourcompanions.
Wewillberubbingshoulderswithaliensandcolonizingouterspace.Betterstill,ourdescendantsmightatlastliveinaworldatpeacewithitself.
Thepredictionisthatwewillhavefoundasourceofinexhaustible,safe,greenenergy,andthatsciencewillhavekilledoffreligion.Iftheyarerightwewillhaveremovedtwoofthemaincausesofwar-ourdependenceonoilandreligiousprejudice.
Willwereally,astoday’sscientistsclaim,beabletoliveforeveroratleastcheattheageingprocesssothattheaveragepersonlivesto150?
Ofcourse,allthesepredictionscomewithascientifichealthwarning.HarvardprofessorStevenPinkersays:
“Thisisaninvitationtolookfoolish,aswiththepredictionsofdomedcitiesandnuclear-poweredvacuumcleanersthatweremade50yearago.”
Livinglonger
AnthonyAtala,directoroftheWakeForestInstituteinNorthCarolina,believesfailingorganswillberepairedbyinjectingcellsintothebody.Theywillnaturallytostraighttotheinjuryandhelphealit.Asystemofinjectionswithoutneedlescouldalsoslowtheageingprocessbyusingthesameprocessto“tune”cells.
BruceLahn,professorofhumangeneticsattheUniversityofChicago,anticipatestheabilitytoproduce“unlimitedsupplies”oftransplantablehumanorganswithouttheneededaneworgan,suchaskidney,thesurgeonwouldcontactacommercialorganproducer,givehimthepatient’simmunologicalprofileandwouldthenbesentakidneywiththecorrecttissuetype.
Theseorganswouldbeentirelycomposedofhumancells,grownbyintroducingthemintoanimalhosts,andallowingthemtodevelopintoandorganinplaceoftheanimal’sown.ButProf.Lahnbelievesthatfarmedbrainswouldbe“offlimits”.Hesays:
“Veryfewpeoplewouldwanttohavetheirbrainsreplacedbysomeoneelse’sandweprobablydon’twanttoputahumanbrainingananimalbody.”
RichardMiller,aprofessorattheUniversityofMichigan,thinksscientistcoulddevelop“authenticanti-ageingdrugs”byworkingouthowcellsinlargeranimalssuchaswhalesandhumanresistmanyformsofinjuries.Hesays:
“It’sisnowroutine,inlaboratorymammals,toextendlifespanbyabout40%.Turningonthesameprotectivesystemsinpeopleshould,by2056,createthefirstclassof100-year-oldswhoareasvigorousandproductiveastoday’speopleintheir60s”
Aliens
ConlinPillinger,professorofplanetarysciencesattheOpenUniversity,says:
”IfancythatatleastwewillbeabletoshowthatlifedidstarttoevolveonMarswellasEarth.”Within50yearshehopesscientistswillprovethatalienlifecamehereinMartianmeteorites(陨石).
ChrisMcKay,aplanetaryscientistatNASA’sAmesResearchCenter,believesthatin50yearswemayfindevidenceofalienlifeinancientpermanentfrostofMarsoronotherplaners.
Headds:
”ThereisevenachancewewillfindalienlifeformshereonEarth.ItmightbeasdifferentasEnglishistoChinese.
PricetonprofessorFreemanDysonthinksit“likely”thatlifeformouterspacewillbediscoveredbefore2056becausethetoolsforfindingit,suchasopticalandradiodetectionanddataprocessing,areimproving.
Hesays:
”Assoonasthefirstevidenceisfound,wewillknowwhattolookforandadditionaldiscoveriesarelikelytofollowquickly.Suchdiscoveriesarelikelytohaverevolutionaryconsequencesforbiology,astronomyandphilosophy.Theymaychangethewaywelookatourselvesandourplaceintheuniverse.
Coloniesinspace
RichardGott,professorofastrophysicsatPrinceton,hopesmanwillsetupaself-sufficientcolonyonMars,whichwouldbea“lifeinsurancepolicyagainstwhatevercatastrophes,naturalorotherwise,mightoccuronEarth.
“TherealspaceraceiswhetherwewillcoloniseoffEarthontootherworldsbeforemone