上海交通大学2013年考博英语阅读送答案

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上海交通大学2013年考博英语阅读及答案第一篇Therearedesertplantswhichsurvivethedryseasonintheformofinactiveseeds.Therearealsodesertinsectswhichsurviveasinactivelarvae(幼虫).Inaddition,difficultasitistobelieve,therearedesertfishwhichcansurvivethroughyearsofdrought(干旱)intheformofinactiveeggs.Thesearetheshrimps(小虾)thatliveintheMojaveDesert,anintenselydryregioninthesouth-westoftheUnitedStateswhereshadetemperaturesofover50Careoftenrecorded.TheeggsoftheMojaveshrimpsarethesizeandhavetheappearanceofgrainsofsand.Whensufficientspringrainfallstoformalake,onceeverytwotofiveyears,theseeggshatch(孵化).Thenthewaterissoonfilledwithmillionsoftinyshrimpsaboutamillimetrelongwhichfeedontinyplantandanimalorganismswhichalsogrowinthetemporarydesertlake.Withinaweek,theshrimpsgrowfromtheiroriginal1millimetretoalengthofabout1.5centimetres.Throughoutthetimethattheshrimpsarerapidlymaturing,thewaterinthelakeequallyrapidlyevaporates.Therefore,fortheshrimpsitisaraceagainsttime.Bythetwelfthday,however,whentheyareabout3centimetrelong,hundredsoftinyeggsformontheunderbodiesofthefemales.Usuallybythistime,allthatremainsofthelakeisalarge,muddypatchofwetsoil.Onthethirteenthdayandthenext,duringthefinalhoursoftheirbrieflives,theshrimpslaytheireggsinthemud.Then,havingensuredthattheirspecieswillsurvive,theshrimpsdieasthelastofthewaterevaporates.Ifsufficientrainfallsthenextyeartoformanotherlake,theeggshatch,andonceagaintheshrimpspassrapidlythroughtheircycleofgrowth,adulthood,egg-laying,anddeath.Someyearsthereisinsufficientraintoformalake:inthiscase,theeggswillremaindormantforanotheryears,orevenlongerifnecessary.Very,veryoccasionally,perhapstwiceinahundredyears,sufficientrainfallstoformadeeplakethatlastsamonthormore.Inthiscase,thespeciespassesthroughtwocyclesofgrowth,egg-laying,anddeath.Thus,onsuchoccasions,thespeciesmultipliesconsiderably,whichfurtherensuresitssurvival.1.WhichofthefollowingistheMOSTdistinctivefeatureofMojaveshrimps?A)Theirlivesarebrief.B)Theyfeedonplantandanimalorganisms.C)Theireggscansurviveyearsofdought.D)Theylaytheireggsinthemud.2.Bysaying"fortheshrimpsitisaraceagainsttime"(Para.3,Line2)theauthormeans_____.A)theyhavetoswimfasttoavoiddangerintherapidlyevaporatinglakeB)theyhavetoswimfasttocatchtheanimalorganismsonwhichtheysurviveC)theyhavetomultiplyasmanyaspossiblewithinthirteendaysD)theyhavetocompletetheirlifecyclewithinashortspanoftimepermittedbytheenvironment'3.Thepassagemainlydealswith_____.A)thelifespanoftheMojaveshrimpsB)thesurvivalofdesertshrimpsC)theimportanceofwatertolifeD)lifeintheMojaveDesert4.Theword"dormant"(Para.4,Line3)mostprobablymeans______.A)inactiveB)strongC)alertD)soft5.Itmaybeinferredfromthepassagethat______.A)appearanceandsizearemostimportantforlifetosurviveinthedesertB)aspeciesmustbeabletomultiplyquicklyinordertosurviveC)forsomespeciesonelifecycleinayearisenoughtosurvivethedesertdroughtD)somespeciesdevelopauniquelifepatterntosurviveinextremelyharshconditions

答案:1.C2.D3.B4.A5.D第二篇TheWelshlanguagehasalwaysbeentheultimatemarkerofWelshidentity,butagenerationagoitlookedasifWelshwouldgothewayofManx.oncewidelyspokenontheisleofManbutnowextinct.Governmentfinancingandcentralplanning,however,havehelpedreversethedeclineofWelsh.RoadsignsandofficialpublicdocumentsarewritteninbothWelshandEnglish,andschoolchildrenarerequiredtolearnbothlanguages.WelshisnowoneofthemostsuccessfulofEurope’sregionallanguages,spokenbymorethanahalf-millionofthecountry’sthreemillionpeople.Therevivalofthelanguage,particularlyamongyoungpeople,ispartofaresurgenceofnationalidentitysweepingthroughthissmall,proudnation.LastmonthWalesmarkedthesecondanniversaryoftheopeningoftheNationalAssembly,thefirstparliamenttobeconvenedheresince1404.TheideabehinddevolutionwastorestorethebalancewithintheunionofnationsmakinguptheUnitedKingdom.Withmostofthepeopleandwealth,Englandhasalwayshadbraggingrights.ThepartialtransferoflegislativepowersfromWestminster,implementedbyTonyBlair,wasdesignedtogivetheothermembersoftheclub-Scotland,NorthernIreland,andWales-abiggersayandtocountercentrifugalforcesthatseemedtothreatentheveryideaoftheunion.TheWelshshowedlittleenthusiasmfordevolution.WhereastheScotsvotedoverwhelminglyforaparliament,thevoteforaWelshassemblyscrapedthroughbylessthanonepercentonaturnoutoflessthan25percent.Itspowerswereproportionatelylimited.TheAssemblycandecidehowmoneyfromWestminsterortheEuropeanUnionisspent.Itcannot,unlikeitscounterpartinEdinburgh,enactlaws.Butnowthatitishere,theWelsharegrowingtoliketheirAssembly.Manypeoplewouldlikeittohavemorepowers.Itsimportanceasfigureheadwillgrowwiththeopeningin2003,ofanewdebatingchamber,oneofmanynewbuildingsthataretransformingCardifffromadecayingseaportintoaBaltimore-stylewaterfrontcity.MeanwhileagrantofnearlytwomilliondollarsfromtheEuropeanUnionwilltacklepoverty.WalesisoneofthepoorestregionsinWesternEurope-onlySpain,Portugal,andGreecehavealowerstandardofliving.NewspapersandmagazinesarefilledwithstoriesaboutgreatWelshmenandwomen,boostingself-esteem.TofamiliarfacessuchasDylanThomasandRichardBurtonhavebeenaddednewiconssuchasCatherineZeta-Jones,themoviestar,andBrynTerfel,theoperasinger.Indigenousfoodslikesaltmarshlambareinvogue.AndWalesnowboastsanationalairline.AwyrCymru.Cymru,whichmeans“landofcompatriots,”istheWelshnameforWales.Thereddragon,thenation’ssymbolsincethetimeofKingArthur,iseverywhere-onT-shirts,rugbyjerseysandevencellphonecovers.“UntilveryrecenttimesmostWelshpeoplehadthisfeelingofbeingsecond-classcitizens,”saidDyfanJones,an18-year-oldstudent.Itwasawarmsummernight,andIwassittingonthegrasswithagroupofyoungpeopleinLlanelli,anindustrialtowninthesouth,outsidetherockmusicvenueoftheNationalEisteddfod,Wales’sannualculturalfestival.ThedisusedfactoryinfrontofusechoedtothesoundsofnewWelshbands.“Therewasalmostagenetictendencyforlackofconfidence,”Dyfancontinued.EquallycomfortableinhisWelshnessasinhismembershipintheEnglish-speaking,globalyouthcultureandthenewfederalEurope,Dyfan,liketherestofhisgeneration,isgrowingupwithasenseofpossibilityunimaginabletenyearsago.