上海交大考博英语试题及部分答案.docx
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上海交大考博英语试题及部分答案.docx
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上海交大考博英语试题及部分答案
上海交大2013年考博英语试题及答案
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)theyhavetoswimfasttoavoiddangerintherapidlyevaporatinglake
B)theyhavetoswimfasttocatchtheanimalorganismsonwhichtheysurvive
C)theyhavetomultiplyasmanyaspossiblewithinthirteendays
D)theyhavetocompletetheirlifecyclewithinashortspanoftimepermittedbytheenvironment'
3.Thepassagemainlydealswith_____.
A)thelifespanoftheMojaveshrimps
B)thesurvivalofdesertshrimps
C)theimportanceofwatertolife
D)lifeintheMojaveDesert
4.Theword"dormant"(Para.4,Line3)mostprobablymeans______.
A)inactive
B)strong
C)alert
D)soft
5.Itmaybeinferredfromthepassagethat______.
A)appearanceandsizearemostimportantforlifetosurviveinthedesert
B)aspeciesmustbeabletomultiplyquicklyinordertosurvive
C)forsomespeciesonelifecycleinayearisenoughtosurvivethedesertdrought
D)somespeciesdevelopauniquelifepatterntosurviveinextremelyharshconditions
答案:
1.C2.D3.B4.A5.D
上海交大2013年考博英语试题及部分答案
发布日期:
2013-04-01
上海交大2013年考博英语试题及部分答案
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)theyhavetoswimfasttoavoiddangerintherapidlyevaporatinglake
B)theyhavetoswimfasttocatchtheanimalorganismsonwhichtheysurvive
C)theyhavetomultiplyasmanyaspossiblewithinthirteendays
D)theyhavetocompletetheirlifecyclewithinashortspanoftimepermittedbytheenvironment'
3.Thepassagemainlydealswith_____.
A)thelifespanoftheMojaveshrimps
B)thesurvivalofdesertshrimps
C)theimportanceofwatertolife
D)lifeintheMojaveDesert
4.Theword"dormant"(Para.4,Line3)mostprobablymeans______.
A)inactive
B)strong
C)alert
D)soft
5.Itmaybeinferredfromthepassagethat______.
A)appearanceandsizearemostimportantforlifetosurviveinthedesert
B)aspeciesmustbeabletomultiplyquicklyinordertosurvive
C)forsomespeciesonelifecycleinayearisenoughtosurvivethedesertdrought
D)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.Indigenous
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