专四听力dictation26篇答案.docx

专四听力dictation26篇答案.docx

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专四听力dictation26篇答案

Passage1

WeatherinBritain

InBritaintheweatherisnews./Atelevisionweatherforecastoftenbeginswithaninterestingfact/–thetownwiththetoptemperatureofthedayortheplacewiththemostrain./Thepubliclikethatkindofinformation./ButtheBBCforecastersdonothaveaneasyjob./Theyaretheonlypresentersonthetelevisionwhodonotuseascript,/andtheycannotseethemaptheyaredescribing./Viewersareoftencritical,especiallyoffemalepresenters./Onewomanleftherjobafterrudelettersandpressreportsaboutherclothes./

TheBritishtalkabouttheweathermorethanalmostanyothersubject,/soitisasurprisetodiscover/thatseventypercentoftelevisionviewerscannotremember/whattheysawontheweatherforecast./Whathappensisthatpeoplelikewatchingandhearingtheforecasts,/buttheyprobablyonlytakerealnoticewhentheyneedto./（152words）

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Passage3

AsianElephant

TheAsianelephantisoneoftheworld’srarestanimals./Unfortunately,itssadconditionhasnotbeenaswellpublicizedasthatoftheAfricanelephant./ThisisbecauseAsianelephant’sivorysuppliesonlyasmallpercentageoftheworldivorytrade./Infact,weknowverylittleabouttheAsianelephant./TheyliveintheremoteforestsofsouthernAsia/anditisthereforeverydifficulttostudythem./MostknowledgeofAsianelephantsisfromthosethathavebeencaptured,ortamed./AsianelephantsareeasiertotamethanAfricanelephants./

ThemajorreasonforthedeclineofAsianelephantsistheharmtotheirforests./Thehugeincreaseinthehumanpopulation/hascausedthedestructionoftheAsianforest./Asaresult,theAsianelephantsarecompelledtoscatterindifferentareas./Originallytheylivedalloverthecontinent,/butnowthereareonlysmallisolatedpopulationsleft./Theyarevulnerabletoextinction./（159words）

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Passage4

HappyCommuters

TheGoldenGateBridgejoinsthebeautifulcityofSanFrancisco/withthesuburbstothenorth./Eachdayaboutonehundredthousandautomobilescrossthebridge/takingpeopletoandfromthecity./Morethanhalfofthemcrossthebridgeduringthemorningandeveningrushhours./Whentrafficissoheavy,thetripisnotpleasant./Now,however,thereisatleastonegroupofhappycommuters./Thesearepeoplewhotravelunderthebridgeinsteadofonit./Theygotoworkbyboat/andenjoyitsomuchthatmostofthemsaytheywillnevergobycaragain./Theferrytheytakeisspacious,quietandcomfortable./Commuterscanenjoythesunondeck./Thetriptakesonly30minutesandisnotverycostly./Bestofall,beingonboatseemstomakepeoplemorefriendlytowardeachother./Therehasalwaysbeenamarriageoftwocommuterswhometontheferry./（162words）

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Passage5

TheRedCross

TheworldwideOrganizationoftheRedcrossstemsfromtheidealofHenriDunant,aSwissBanker./On24th,June1859,onhiswayfromGenevatoFrance,/Dunantwitnessedabattle./Itwasoneofthefiercestbattlesofthe19thcentury./Shockedbythelackofmedicalsuppliesandattentiongiventothewounded,/Dunantdecidedthatvolunteerservicehadtobeorganized./Hegatheredtogetheranumberofwomen/whoattendedthehundredsofwoundedsoldiersofallnationalities/andhelpedthesurgeonsasbesttheycould./Hedeterminedtoformabodyofpeople/whowouldrallytogetherintimesofwarandattendtotheneedsofthewoundedandthedying./ManyEuropeansstatessupportedhim/andon22nd,August1864thefirstGenevaConventionwassigned./Thislaysdownthatonceasoldieriswounded/everyoneelsewhocomestohishelpceasestobeanenemy./（154words）

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Passage6

CarsintheFuture

Whatkindofcarewillwebedrivingbytheyear2030?

/Ratherdifferentfromthetypeweknowtoday./Withthenextdecadebringinggreaterchangethanthepast50years,/thepeoplewhowillbedesigningthemodelsoftomorrowbelievethat/environmentalproblemsmaywellacceleratethepaceofthecar’sdevelopment./Thevisionisthatofamachinewith3wheelsinsteadof4,/electrically-powered,environmentallycleanandabletodriveitselfalongintelligentroads,/equippedwithbuilt-inpowersupplies./Futurecarswillpickupthefuelduringlongjourneys/fromapowersourcebuiltintotheroad./Thisviewoffuturecarsisbasedonamuchmoresophisticatedroadsystem./Carswillbeautomaticallycontrolledbyacomputer./Allthedriverwillhavetodoistosaywheretogo/andthecomputerwilldotherest./Itwillbeimpossibleforcarstocrashintooneanother./（155words）

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Passage7

DogsasPets

Mostpeoplehavehadadogorwantedoneastheircompanionatsometimeintheirlife./Ifyouarethinkingofbuyingadog,/youshouldfirstdecidewhatsortofcompanionyouneed./Youmustalsobereadytodevoteagooddealoftimetotrainthedogwhenitisyoung/andgiveittheexerciseitneedsthroughoutitslife./

Dogsaredemandingpets./Whereascatsidentifywiththehouse/andsoarecontentiftheirplaceissecure,/adogidentifieswithitsmaster/andconsequentlywantshimtoshowproofofhisaffection./Thebesttimetobuyababy-dogiswhenitisbetween6-8weeksold/sothatitcantransferitsaffectionfromitsmothertoitsmaster./Ifbaby-dogshavenotestablishedarelationshipwiththehumanbeing/untiltheyareover3monthsold,/theirstrongrelationshipwillalwaysbewithdogs./（156words）

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Passage8

WhyDoWeCry?

Whydowecry?

/Canyouimaginelifewithouttears?

/Notonlydotearskeepyoureyeslubricated,/theyalsocontainasubstancethatkillscertainbacteriasotheycannotinfectyoureyes./Giveuptears,andyouwilllosethison-the-spotdefense./Nobodywantstogiveupthefloodofextratearsyouproduce/whenyougetsomethingphysicalorchemicalinyoureyes./Tearsareverygoodatwashingthisirritatingstuffout./Anotherthingyoucouldn’tdowithoutyourtearsiscryfromjoy,angerorsadness./Humansaretheonlyanimalsthatproducetearsinresponsetoemotions,/andmostpeoplesayagoodcrymakesthemfeelbetter./Manyscientists,therefore,believethatcryingsomehowhelpsuscopewithemotionalsituations./Itmaybethattearsdischargecertainchemicalsfromyourbody,/chemicalsthatbuildupduringstress./Whatdoyouthinkwillhappentopeoplewhorestraintheirtears?

/（155words）

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Passage10

TheMars

SciencefictionwritershaveoftenimaginedhumansgoingtoliveontheMars./Butthesedays,scientistsaretakingtheideaseriously./Ithasagreatdealtorecommendit,/sinceitmightsolvetheproblemofovercrowdingontheearth./Butobviously,itwouldnotbeworthmakingtheeffort/unlesspeoplecouldlivetherenaturally./Iftheatmospherewerelikethatoftheearth,/thismightbepossible./Apartfromthat,thereareotherproblemstoovercome./Forexample,thetemperaturewouldhavetoberaisedfrom6degreesbelowzeroto15degreesaboveit./ScientistswhostudyMarshavelaiddowntheprogramthattheycanfollow./Tobeginwith,theywillhavetofindout/whetherlifehaseverexistedontheplanetofMarsinthepast./Secondly,theywillhavetomakeareliablemapofitssurface./Andfinally,theywillhavetomakealistofthegasesonMars./（159words）

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Passage11

Sharks

Tomostofussharksarethemostdangerousfishintheseaandtheyattackhumans./However,accordingtoDoctorClark,whohasstudiedthebehaviorofsharksfor12years,/humansarenotnormallyontheshark’smenu./Shealsofoundthatsharksdon’teatasmuchaspeoplethink./Forinstance,a9-year-oldsharkonlyneedstwopoundsoffoodadaytokeephealthy./Butshesays,sharkssometimesstarve/andatothertimestheyfillthemselveswithwhattheyhavekilled./Aroundtheworld,thereareonlyaboutonehundredsharkattacksonhumanseachyear,/tenofwhichprovedfatal./Ifyouwentunderwater-fishingandsawashark,/youcouldbeintrouble./Thesharkmightgofortheinjuredfishyouhaveattacked/andtakeabiteofyouatthesametime./Ifyougointoashark’sterritoryandthreatenit,/itmighttrytobiteyoubecausesharksareterritorial./（160words）

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Passage12

WaterwaysintheUS

Intheearly19thcentury,waterwaysinthemiddleoftheUnitedStates/providedNorthAmericathemostpopularformoflongdistancetransport./Travelbyriverwasoftenmoreconvenientthantakingawagonovercountryroads,/especiallywhenshippingheavyloadsoffarmproductsorhouseholdgoods./Whenthenaturalwaterwayswerenotadequate,/shallowcanalswerebuilt./TheErieCanal,openedin1825,/connectedtheGreatLakeswiththeupperHudsonRiver./ItallowedresidentsintheGreatLakesregion/tosendtheircropseastwardtoNewYorkCityatamuchlowercost./TheconstructionoftheErieCanalalsoencouragedpeopletomovewestward./ThecityofDetroitandChicagobecameflourishingcities./Bythemid1800,fasterandcheaperrailroadsbecamemorepopular/andthecanalsystemdeclined./Duringthefirstthirdofthecentury,however,/transportontherivers,lakesandcanalsaidedgreatlyinthegrowthoftheUnit