大学英语四级英语考试模拟题《一》

在线学英语体验请申请：洛基英语，中国在线英语教育领导品牌PartIListeningComprehension(略)PartIIReadingComprehension(35minutes)Directions:Thereare4readingpassagesinthispart.Eachpassageisfollowedbysomequestionsorunfinishedstatements.ForeachofthemtherearefourchoicesmarkedA),B),C)andD).YoushoulddecideonthebestchoiceandmarkthecorrespondingletterontheAnswerSheetwithasinglelingthroughthecentre.PassageOneQuestions21to25arebasedonthefollowingpassage:OceanographyhasbeendefinedasTheapplicationofallsciencestothestudyofthesea.Beforethenineteenthcentury,scientistswithaninterestintheseawerefewandfarbetween.CertainlyNewtonconsideredsometheoreticalaspectsofitinhiswritings,buthewasreluctanttogotoseatofurtherhiswork.Formostpeopletheseawasremote,andwiththeexceptionofearlyintercontinentaltravellersorotherswhoearnedalivingfromthesea,therewaslittlereasontoaskmanyquestionsaboutit,letalonetoaskwhatlaybeneaththesurface.Thefirsttimethatthequestionwhatisatthebottomoftheoceans?hadtobeansweredwithanycommercialconsequencewaswhenthelayingofatelegraphcablefromEuropetoAmericawasproposed.Theengineershadtoknowthedepthprofileoftheroutetoestimatethelengthofcablethathadtobemanufactured.ItwastoMauryoftheUSNavythattheAtlanticTelegraphCompanyturned,in1853,forinformationonthismatter.Inthe1840s,MauryhadbeenresponsibleforencouragingvoyagesduringwhichsoundingsweretakentoinvestigatethedepthsoftheNorthAtlanticandPacificOceans.Later,someofhisfindingsarousedmuchpopularinterestinhisbookThePhysicalGeographyoftheSea.Thecablewaslaid,butnotuntil1866wastheconnectionmadepermanentandreliable.Attheearlyattempts,thecablefailedandwhenitwastakenoutforrepairsitwasfoundtobecoveredinlivinggrowths,afactwhichdefiedcontemporaryscientificopinionthattherewasnolifeinthedeeperpartsofthesea.Withinafewyearsoceanographywasunderway.In1872Thomsonledascientificexpedition,whichlastedforfouryearsandbroughthomethousandsofsamplesfromthesea.在线学英语体验请申请：)anacademicaspectB)amilitaryaspectC)abusinessaspectD)aninternationalaspect22.Itwas________thataskedMauryforhelpinoceanographicstudies.A)theAmericanNavyB)someearlyintercontinentaltravellersC)thosewhoearnedalivingfromtheseaD)thecompanywhichproposedtolayanunderseacable23.TheaimofthevoyagesMaurywasresponsibleforinthe1840was_______.A)tomakesomesoundingexperimentsintheoceansB)tocollectsamplesofseaplantsandanimalsC)toestimatethelengthofcablethatwasneededD)tomeasurethedepthsofthetwooceans在线学英语体验请申请：)doubtedB)gaveprooftoC)challengedD)agreedto25.Thispassageismainlyabout_______.A)thebeginningsofoceanographyB)thelayingofthefirstunderseacableC)theinvestigationofoceandepthsD)theearlyintercontinentalcommunicationsPassageTwoQuestions26to30arebasedonthefollowingpassage:Normallyastudentmustattendacertainnumberofcoursesinordertograduate,andeachcoursewhichheattendsgiveshimacreditwhichhemaycounttowardsadegree,InmanyAmericanuniversitiesthetotalworkforadegreeconsistsofthirty-sixcourseseachlastingforonesemester.Atypicalcourseconsistsofthreeclassesperweekforfifteenweeks;whileattendingauniversityastudentwillprobablyattendfourorfivecoursesduringeachsemester.Normallyastudent.wouldexpecttotakefouryearsattendingtwosemesterseachyear.Itispossibletospreadtheperiodofworkforthedegreeoveralongerperiod.Itisalsopossibleforastudenttomovebetweenoneuniversityandanotherduringhisdegreecourse,thoughthisisnotinfactdoneasaregularpractice.Forverycoursethatthefollowsastudentsisgivenagrade,whichisrecorded,andtherecordisavailableforthestudenttoshowtoprospectiveemployers.Allthisimposesaconstantpressureandstrainofwork,butinspiteofthissomestudentsstillfindtimeforgreatactivityinstudentaffairs.Electionstopositionsinstudentorganisationsarousemuchenthusiasm.Theeffectiveworkofmaintainingdisciplineisusuallyperformedbystudentswhoadvisetheacademicauthorities.Any在线学英语体验请申请：)36B)12C)20D)1527.AccordingtothefirstparagraphanAmericanstudentisallowed______.A)toliveinadifferentuniversityB)totakeaparticularcourseinadifferentuniversityC)toliveahomeanddrivetoclasses.D)togettwodegreesfromtwodifferentuniversities28.Americauniversitystudentsareusuallyunderpressureofworkbecause______.A)theiracademicperformancewillaffecttheirfuturecareersB)theyareheavilyinvolvedinstudentaffairsC)theyhavetoobserveuniversitydisciplineD)theywanttorunforpositionsofauthority在线学英语体验请申请：