CET4真题+听力原文+答案.docx
- 文档编号:29225025
- 上传时间:2023-07-21
- 格式:DOCX
- 页数:29
- 大小:42.43KB
CET4真题+听力原文+答案.docx
《CET4真题+听力原文+答案.docx》由会员分享,可在线阅读,更多相关《CET4真题+听力原文+答案.docx(29页珍藏版)》请在冰豆网上搜索。
CET4真题+听力原文+答案
2010年12月CET4真题+听力原文+答案
PartIWriting(30minutes)
Directions:
Forthispart,youareallowed30minutestowriteacompositiononetopic:
CityProblems.Youshouldwriteatleast120wordsfollowingtheoutlinegivenbelowinChinese:
1.越来越多的人涌入大城市,有些问题随之产生
2.比较明显的大问题有……
3.我对这种现象的想法
CityProblems
PartIIReadingComprehension(SkimmingandScanning)(15minutes)
Directions:
Inthispart,youwillhave15minutestogooverthepassagequicklyandanswerthequestionsonAnswerSheet1.Forquestions1-7,mark
Y(forYES)ifthestatementagreeswiththeinformationgiveninthepassage;
N(forNO)ifthestatementcontradictstheinformationgiveninthepassage;
NG(forNOTGIVEN)iftheinformationisnotgiveninthepassage.
Forquestions8-10,completethesentenceswiththeinformationgiveninthepassage.
ScientistsWeighOptionsforRebuildingNewOrleans
Asexpertsponderhowbesttorebuildthedevastated(毁坏)city,onequestioniswhethertowalloff—orworkwith—thewater.
EvenbeforethedeathtollfromHurricaneKatrinaistallied,scientistsarecautiouslybeginningtodiscussthefutureofNewOrleans.FewseemtodoubtthatthisvitalheartofU.S.commerceandculturewillberestored,butexactlyhowtorebuildthecityanditsdefensestoavoidarepeatcatastropheisanopenquestion.PlansforimprovingitsleveesandrestoringthebarrierofwetlandsaroundNewOrleanshavebeenonthetablesince1998,butfederaldollarsneededtoimplementthemneverarrived.Afterthetragedy,that'sboundtochange,saysJohnDay,anecologistatLouisianaStateUniversity(LSU)inBatonRouge.Andifthereisanupsidetothedisaster,hesays,it'sthat'nowwe'vegotacleanslatetostartfrom."
ManyarelookingforguidancetotheNetherlands,acountrythat,justlikebowl-shapedNewOrleans,sitsmostlybelowsealevel,keepingthewateratbaywithaconstructionofamazingscaleandcomplexity.Others,pointingtoVenice'slong-standingadaptations,sayit'sbesttoletwaterflowthroughthecity,depositingsedimenttooffsetgeologicsubsidence—amodelthatwouldrequirearadicalrethinkingofarchitecture.Anotherideaistoletnaturehelpbyrestoringthewetlandbuffersbetweenseaandcity.
Butbeforetheoptionscanbeweighed,severalunknownswillhavetobeaddressed.Oneispreciselyhowthecurrentdefensesfailed.Toanswerthat,LSUcoastalscientistsPaulKempandHassanMashriquiarepickingtheirwaythroughthedestroyedcityandsurroundingregion,reconstructingthesizeofwatersurgesbymeasuringtelltalemarksleftonthesidesofbuildingsandhighwaystructures.TheyarefeedingthesedataintoasimulationofthewindandwateraroundNewOrleansduringitsordeal.
"Wecan'tsayforsureuntilthisjobisdone,"saysDay,"buttheemergingpictureisexactlywhatwe'vepredictedforyears."Namely,severalcanals—includingtheMRGO,whichwasbuilttospeedshippinginthe1960s—havethecombinedeffectoffunnelingsurgesfromtheGulfofMexicorighttothecity'seasternleveesandthelakesystemtothenorth.Thosesurgesaretoblamefortheflooding."Oneofthefirstthingswe'llseedoneisthecompletebackfillingoftheMRGOcanal,"predictsDay,"whichcouldtakeacoupleofyears."
Thelevees,whichhavebeenprovisionallyrepaired,willbeshoredupfurtherinthemonthstocome,althoughtheirlong-termfateisunclear.Betterleveeswouldprobablyhavepreventedmostofthefloodinginthecitycenter.Toprovidefurtherprotection,amobiledamsystem,muchlikeastormsurgebarrierintheNetherlands,couldbeusedtocloseoffthemouthofLakePontchartrain.Butmostexpertsagreethattheseareshort-termfixes.
ThebasicproblemforNewOrleansandtheLouisianacoastlineisthattheentireMississippiRiverdeltaissubsidinganderoding,plungingthecitydeeperbelowsealevelandremovingathickcushionofwetlandsthatoncebufferedthecoastlinefromwindandwaves.Partofthesubsidenceisgeologicandunavoidable,butthereststemsfromtheleveesthathavehemmedintheMississippiallthewaytoitsmouthfornearlyacenturytopreventfloodsandfacilitateshipping.Asaresult,riversedimentisnolongerspreadacrossthedeltabutdumpedintotheGulfofMexico.Withoutaconstantstreamoffreshsediment,thebarrierislandsandmarshesaredisappearingrapidly,withaquarter,roughlythesizeofRhodeIsland,alreadygone.
Afteryearsofpoliticalwrangling,abroadgrouppulledtogetherbytheLouisianagovernmentin1998proposedamassive$14billionplantosavetheLouisianacoasts,calledCoast2050(nowmodifiedintoaplancalledtheLouisianaCoastalAreaproject).Wetlandrestorationwasakeycomponent."It'soneofthebestandcheapesthurricanedefenses,"saysDay,whochaireditsscientificadvisorycommittee.
Althoughtheplanwasnevergivenmorethantokenfunding,ateamledbyDayhasbeenconductingapilotstudysince2000,divertingpartoftheMississippiintothewetlandsdownstreamofthecity."Theresultsareasgoodaswecouldhavehoped,"hesays,withlandlevelsrisingatabout1centimeterperyear—enoughtooffsetrisingsealevels,saysDay.
Evenifthewetlandswererestoredandnewleveeswerebuilt,thecombinationofgeologicsubsidenceandrisingsealevelswilllikelysinkNewOrleansanothermeterby2100.Theproblemmightbesolvedbyanotherambitiousplan,saysRoelBoumans,acoastalscientistattheUniversityofVermontinBurlingtonwhodidhisph.D.atLSU:
shoringupthelowestlandwithaslurryofsedimentpipedinfromtheriver.Themajorityofthebuildingsinthefloodedareaswillhavetoberazedanyway,hesays,"sowhynottakethisopportunitytofixtherootoftheproblem?
"TherivercoulddepositenoughsedimenttoraisethebottomoftheNewOrleansbowltosealevel"in50to60years,"heestimates.Inthemeantime,peoplecouldliveintheseareasVenice-style,withbuildingsbuiltonstilts.Boumanseventakesitastepfurther:
"Youwouldhavetoraiseeverythingabout30centimetersonceevery30years,sowhynotmakethejobeasierbymakinghousesthatcanfloat."
Whetherthatistechnicallyorpoliticallyfeasible—Day,forone,callsit"notlikely"—remainstobeseen,especiallybecauseuntilnow,thepoorestresidentslivedinthelowestpartsofthecity.Anydecisiononhowbesttoprotectthecityinthefuturewillbetiedtohowmanypeoplewilllivethere,andwhere."theremaybealargecontingentofresidentsandbusinesseswhochoosenottoreturn,"saysBillGood,anenvironmentalscientistatLSUandmanageroftheLouisianaGeologicalSurvey'sCoastalProcessessection.Itisalsonotyetclearhowdecisionsaboutthereconstructionwillbemade,saysGood,"Sincethereisnoprecedentofcomparablemagnitude."Everylevelofgovernmentissuretobeinvolved,and"theprocessislikelytobeadhoc."
Evenwiththeinevitableminglingofscienceandpolitics,westillhave"auniquechancetobackoutofsomebaddecisions,"saysGood,whogrewupinNewOrleans."Ihopethatwedon'tletthisonce-in-historyopportunityslipthroughourfingersintherushtorebuildthecity:
"
1.ThepassagegivesageneraldescriptionofthesuggestionstoreconstructNewOrleansafterHurricaneKatrina.
2.TwoexamplestodealwithwaterareNetherlandsandVenice.
3.Thecanalshavenothingtodowiththeflooding.
4.Theleveeswillbeshoredupfurtherwithclearlong-termfate.
5.ThebasicproblemforNewOrleansisthesubsidenceofMississippiRiverdelta.
6.ThekeycomponentofCoast2050iswetlandrestoration.
7.TheplanofCoast2050willgetbillionsoffederalfunding.
8.NewOrleanswilllikelysink________________by2100.
9.Anotherambitiousplanistoshoringupthelowestlandwithaslurryofsediment________________.
10.Howdecisionsaboutthereconstructionwillbemadeisalso________________.
PartIIIListeningComprehension(35minutes)
SectionA
Directions:
Inthissection,youwillhear8shortconversationsand2longconversations.Attheendofeachconversation,oneormorequestionswillbeaskedaboutwhatwassaid.Boththeconversationandthequestionswillbespokenonlyonce.Aftereachquestiontherewillbeapause.Duringthepause,youmustreadthefourchoicesmarked[A],[B],[C]and[D],anddecidewhichisthebestanswer.ThenmarkthecorrespondingletteronAnswersheet2withasinglelinethroughthecentre.
11.[A]Themandoesn'twanttoseeMr.Williams.
[B]Mr.JonesisinaninferiorpositiontoMr.Williams.
[C]Mr.Jonesusedtobeincharge.
[D]Mr.Williamsdoesn'twanttoseetheman.
12.[A]Theyneedtomakemoreefforts.[C]Theothershavedonethegreaterpartofit.
[B]Shefeltabitannoyed.[D]They'vefinishedmorethanhalfofit.
13.[A]Shefeltverysorry.[C]Shewasinahurry.
[B]Shefeltabitannoyed.[D]Shewassurprised.
14.[A]Theknifebelongstohim.[C]ThemanonceborrowedBob'sknife.
[B]Bobshouldmindhisownbusiness.[D]Bob'sknifeisn'tasgoodasthatoftheman.
15.[A]He'llmissthemeetingthatafternoon.[C]Hewon'tmissthemeeting.
[B]Hecan'thaveanappointmentwiththehost.[D]Heisahardworkingman.
16.[A]Becauseshedidn'tfulfillherpromise.
[B]Becausehermotherwouldbeveryangry.
[C]Becauseshecan'tfinishthejobaheadofschedule.
[D]Becauseshewouldbethelasttofinishthejob.
17.[A]Healwaystalksonthephoneforthatlongifit'stollfree.
[B]Theyhadsomuchfreetimetotalkonthephoneforthatlong.
[C]Theytalkedonthephonefortoolong.
[D]Hewantstoknowwhattheytalkedabout.
18.[A]A
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- CET4 听力 原文 答案
![提示](https://static.bdocx.com/images/bang_tan.gif)