英语四级考试最新全真样卷及解题思路.docx

英语四级考试最新全真样卷及解题思路.docx

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英语四级考试最新全真样卷及解题思路

2011年6月英语四级考试全真预测试卷

　　PartIWriting（30minutes）

　　Directions:

Forthispart,youareallowed30minutestowriteacompositiononthetopicChoosinganOccupation.Youshouldwriteatleast120wordsfollowingtheoutlinegivenbelowinChinese:

　　1.选择职业是一个人要面对的众多难题之一。

　　2.需要花时间去选择职业。

　　3.选择职业时可以向多人寻求建议和帮助。

　　ChoosinganOccupation

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　　【写作思路】

　　本文是一篇关于择业的议论文。

短文需要说明慎重择业相当重要，并提出多种指导择业的方法。

　　【参考范文】

　　ChoosinganOccupation

　　Oneofthemostimportantproblemsayoungpersonfacesisdecidingwhattodo.Therearesomepeople,ofcourse,whofromthetimearesixyearsold“know”thattheywanttobedoctorsorpilotsorfirefighters,butthemajorityofusdonotgetaroundtomakingadecisionaboutanoccupationorcareeruntilsomebodyorsomethingforcesustofacetheproblem.

　　Choosinganoccupationtakestime,andtherearealotofthingsyouhavetothinkaboutasyoutrytodecidewhatyouwouldliketodo.Youmayfindthatyouwillhavetotakespecialcoursestoqualifyforaparticularkindofwork,oryoumayfindoutthatyouwillneedtogetactualworkexperiencetogainenoughknowledgetoqualifyforaparticularjob.

　　Fortunately,therearealotofpeopleyoucanturntoforadviceandhelpinmakingyourdecision.Atmostschools,thereareteacherswhoareprofessionallyqualifiedtogiveyoudetailedinformationaboutjobqualifications.Andyoucantalkoveryourideaswithfamilymembersandfriendswhoarealwaysreadytolistenandtooffersuggestions.

　　PartIIReadingComprehension（SkimmingandScanning）（15minutes）

　　Directions:

Inthispart,youwillhave15minutestogooverthepassagequicklyandanswerthequestionsonAnswerSheet1.Forquestions1-7,choosethebestanswerfromthefourchoicesmarked[A],[B],[C]and[D].Forquestions8-10,completethesentenceswiththeinformationgiveninthepassage.

　　WillWeRunOutofWater?

　　Picturea“ghostship”sinkingintothesand,lefttorotondrylandbyarecedingsea.Thenimagineduststormssweepinguptoxicpesticidesandchemicalfertilizersfromthedryseabedandspewingthemacrosstownsandvillages.

　　Seemlikeascenefromamovieabouttheendoftheworld?

ForpeoplelivingneartheAralSeainCentralAsia,it’salltooreal.Thirtyyearsago,governmentplannersdivertedtheriversthatflowintotheseainordertoirrigate（providewaterfor）farmland.Asaresult,theseahasshrunktohalfitsoriginalsize,strandingshipsondryland.Theseawaterhastripledinsaltcontentandbecomepolluted,killingall24nativespeciesoffish.

　　Similarlarge-scaleeffortstoredirectwaterinotherpartsoftheworldhavealsoendedinecologicalcrisis,accordingtonuumerousenvironmentalgroups.Butmanycountriescontinuetobuildmassivedamsandirrigationsystems,eventhoughsuchprojectscancreatemoreproblemsthantheyfix.Why?

Peopleinmanypartsoftheworldaredesperateforwater,andmorepeoplewillneedmorewaterinthenextcentury.

　　“Growingpopulationswillworsenproblemswithwater,”saysPeterH.Gleick,anenvironmentalscientistatthePacificInstituteforstudiesinDevelopment,Environment,andSecurity,aresearchorganizationinCalifornia.Hefearsthatbytheyear2025,asmanyasone-thirdoftheworld’sprojected8.3billionpeoplewillsufferfromwatershortages.

　　WhereWaterGoes

　　Only2.5percentofallwateronEarthisfreshwater,watersuitablefordrinkingandgrowingfood,saysSandraPostel,directoroftheGlobalWaterPolicyProjectinAmherst,Mass.Twothirdsofthisfreshwaterislockedinglaciersandicecaps.Infact,onlyatinypercentageoffreshwaterispartofthewatercycle,inwhichwaterevaporatesandrisesintotheatmosphere,thencondensesandfallsbacktoEarthasprecipitation（rainorsnow）.

　　Someprecipitationrunsofflandtolakesandoceans,andsomebecomesgroundwater,waterthatseepsintotheearth.MuchofthisrenewablefreshwaterendsupinremoteplacesliketheAmazonriverbasininBrazil,wherefewpeoplelive.Infact,theworld’spopulationhasaccesstoonly12,500cubickilometersoffreshwater—abouttheamountofwaterinLakeSuperior.Andpeopleusehalfofthisamountalready.“Ifwaterdemandcontinuestoclimbrapidly,”saysPostel,“therewillbesevereshortagesanddamagetotheaquaticenvironment.”

　　ClosetoHome

　　WaterwoesmayseemremotetopeoplelivinginrichcountriesliketheUnitedStates.ButAmericanscouldfaceseriouswatershortages,tooespeciallyinareasthatrelyongroundwater.Groundwateraccumulatesinaquifers,layersofsandandgravelthatliebetweensoilandbedrock.（Foreveryliterofsurfacewater,morethan90litersarehiddenunderground.）AlthoughtheUnitedStateshaslargeaquifers