听力1315.docx

听力1315.docx

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听力1315

Unit13

1.M:

Thismachinehassomanybuttons.Ican’tfigureoutwhichonemakesitrun.

W:

You’dbetterreadtheinsturctionsfirst.Pressingthebuttonrandomlymaycausethemachinetobreakdown.

Q:

Accordingtothewoman,whatshouldthemandofirst?

2.M:

Hastoday’smailarrived?

I’manxioustoknowabouttheresultofmyapplication.

W:

I’vecheckedthemail-box.Thereisnothinginit,butapostcardfromourdaughter.

Q:

Whatdowelearnfromthisconversation?

3.M:

WasRobertelectedtothecommittee?

W:

Yes,infacthewasmadechairman.Butheonlyagreedtotakethejobiftheylethimhavethefinalsay.

Q:

WhatdoesRobertintendtodo?

4.M:

Couldyouhelpme,Sir?

Myflightgotinfifteenminutesago.Everyoneelsehaspickeduptheirluggage,butminehasn’tcomethrough.

W:

I’msorry,Madam.ButI’llgoandfindoutifthereisanymoretocome.

Q:

What’sthewoman’sproblem?

5.M:

Couldyougivemeyourofficephonenumberorfaxnumber,sothatwecancontacteachothermoreoften?

W:

ButI’vebeentryingtofindanewjobinanothercompany.Yousee,I’veworkedhereforthreeyearswithoutaraise.That’sreallyunfiar.

Q:

Whydoesthewomancomplain?

6.M:

Thesewatchesareoutrageouslyexpensive.

W:

Youthinkso?

Youshouldseetheonesinthejewelrystore.

Q:

Whatcanbeinferredfromtheconversation?

7.M:

Whatweneedisaroommatewhoisneatandconsiderate.

W:

That’sright.Let’swritethatinthead:

neatnessandconsiderationamust.

Q:

Whatdothespeakershopetodo?

8.M:

I’mboredwiththesamefoodallthetime.Let’strysomethingdifferentSaturdaynight.

W:

HowaboutanItalianplace?

Q:

Whatdoesthemansuggesttheydo?

9.M:

IfoundaperfectbookbagbutI’mabout20dollarsshort.

W:

Don’tlookforme.Idon’tgetpaidforanotherweek.

Q:

Whatdoesthemanimply?

10.M:

Herearetwoseats.

W:

Don’tyouthinkthesearetooclosetothemoviescreen?

Q:

Whatdoesthewomanimplytheyshoulddo?

11.M:

IsLouisegoingtojoinusforashortbreak?

W:

Yes,ifshecantearherselfawayformherstudies.

Q:

WhatdoesthewomanimplyaboutLouise?

12.M:

Hi,Ann.Whereareyourushingoffto?

W:

I’monmywaytopickupthetextbookforAmericanhistory.I’minshock.It’sgoingtobe65bucks.

Q:

Whatisthewoman’sproblem?

13.M:

I’mawaybehindinmyletterwriting.I’vegottogetstarted.

W:

Who’sgottimetowriteletters?

Examsarecomingup,remember?

Q:

Whatdoesthemanimplythewomanshoulddo?

14.M:

John,I’msorry.ButIforgottobringyourtapeplayerback.

W:

Well,aslongasIgetitbyFriday.

Q:

Whatshouldthewomando?

15.M:

Ijustsawanadontelevisionthatsaidmen’ssuitswereonsaletodayandtomorrowatConrad’smenswear.

W:

Great!

That’sjustwhatI’vebeenwaitingfor.

Q:

Whatwillthemanprobablydo?

Passage1ATalkinaNationalPark

WelcometoYellowstoneNationalPark.Beforewebeginournaturewalktoday,I'dliketogiveyouashorthistoryofourNationalParkService.TheNationalParkServicebeganinthelate1800s.Asmallgroupofexplorershadjustcompletedamonth-longexplorationoftheregionthatisnowYellowstone.Theygatheredaroundthecampfireandafterhoursofdiscussion,theydecidedthattheyshouldnotclaimthislandforthemselves.Theyfeltitshouldbeaccessibletoeveryone.Sotheybeganacampaigntopreservethislandforeveryone'senjoyment.Twoyearslater,inthelate19thcentury,anactofCongress,signedbyPresidentUlyssesS-Grant,proclaimedtheYellowstoneregionapublicpark.Itwasthefirstnationalparkintheworld.AfterYellowstonebecameapublicpark,manyotherareasofgreatscenicimportanceweresetaside.Andin1916theNationalParkServicewasestablishedtomanagetheseparks.Today,therearemorethan360parksintheUSNationalParkSystemandmorethan3,600areasundersimilarprotectionaroundtheglobe.NationalparksandotherpubliclandsshelterwelloverhalfoftheplantandanimalspeciesinNorthAmerica.Andtodaymorethan80countrieshavealsoestablishedseveralhundredsimilarreservesspecificallytoprotectbiologicaldiversity.Asaparkranger,IamanemployeeoftheNationalParkService.Inthenationalpark,parkrangersareondutyatalltimestoanswerquestionsandhelpvisitorsinanydifficulty.Naturewalks,guidedtoursandcampfiretalksareofferedbyspeciallytrainedstaffmembers.TheParkServicealsoprotectstheanimalsandnlantswithintheparks

Passage2PlanstoClonePandastoSaveThemfromExtinction

Justovertwoyearsago,Chinaannounceditwasgoingtoclonethegiantpanda,thecountry'snationalsymbol.Pandasareextremelyendangered;thereareonly1,000leftinthewildandahundredincaptivity.Themovetobegincloningtheanimalwaspromptedbyunsuccessfulattemptstoincreaseitspopulationbyusingartificialinsemination.

Pandasarewidelyknownfortheirfeebleeffortswhenitcomestomating.Eveninthewilewheretheirsexualdrivemaybehigher,thesurvivalrateofthecubsisverylow:

morethanhalfofthemdieshortlyafterbirth.Unusually,thissummersixpandacubswerebornintheWolongGiantPandaReserveinthesouthwestprovinceofSichuan,inChina.However,zoologistswerereluctanttojoininthecelebrations:

itiswidelyheldthatthepandawillbecomeextinctwithin10years.

In1999,Dr.ChenDayuan,fromChina'sAcademyofSciences,beganaresearchprogramaimedatcloningapanda.Hetookthenucleusfromthecellofanadultpandaandinserteditintoaneggfromarabbitwhichhadhaditsnucleusremoved,toproduceaballofcellsthatcouldbecomeapandaembryo.Sofarthisstephasprovensuccessful.Thedifficultywillbegrowingapandaoutofacollectionofcells.Dayuaniscurrentlylookingforsuitablesurrogatemothersandisconsideringblackandslothbearsascandidates.Hehopestohaveapandaclonedwithinthenextfiveyears.

NoteveryoneinChinaisinfavoroftryingtoclonethepanda.Oneofthecountry'sleadingpandaexperts,Dr.PanWenshi,hasstudiedtheminthewildfortwodecades.Hebelievesthatattemptstoclonethisrareanimalwilldetractfromeffortstopreservethespeciesinthewild.Hehasalsodismissedthewidelyacceptedtheorythatthepanda'sthreatenedextinctionisduetoitsdeclineinfertility.Hearguesthatthemainreasonthepandaisanendangeredspeciesisthathumanshavedestroyedalargepartoftheirhabitat.

PassageIIIIndoorAirPollution

Airpollutionisaseriousprobleminmanycountries.Cars,airplanes,factoriesandwastecentersarecommonlyblamedforpollutingtheair.Theyreleasealargeamountoftinyblackparticlesintotheair.Suchpollutionisagreatthreattopeople.Scientificstudiesshowthatairinhomesandotherbuildingscanbeseriouslypolluted.Itmaybemorepollutedthantheoutside,eveninthemostindustrializedcities.UnitedStatesEnvironmentalProtectionAgencypublishecaguidetoindoorairquality.Theguidesaysthatmostpeoplespendabout90percentoftheirtimeindoors.So,formanypeople,indoorairpollutionmaybeagreaterhealthriskthanoutdoorpollution.Manynewhomesandofficebuildingscontainanumberofpollutants.Somereleasegasesorparticlesintotheair.Theyincludedifferentkindsoffuel,wood,buildingmaterials,officeequipment,furniture,floorcoveringsandchemicalcleaningproducts.Bacteriafoundinplantspetsandcentralheatingorcoolingsystemsalsoaffectairquality.Reducingtheamountofwaterintheairisonewaytopreventthegrowthofbacteriaandmoldindoors.Chemicalproductsalsoshouldbelimited.ExpertsadvisenottouseproductswithstrongchemicalsmellsinclosedplacesBuysmallamountsofthechemicalsandusethemimmediately.Thiswillpreventtheneedtostoresuchproducts.Healthproblemsfromindoorairpollutionmaybefeltsoonafterenteringabuilding.Immediateeffectsincludeaburningfeelingintheeyes,noseandthroat.Peoplemaydevelopheadaches,losetheirbalanceorfeelextremelytired.Sucheffectsgenerallylastforashorttime.Otherhealthproblemsmaydevelopoveralongerperiodoftime.Theseincludelungdisease,heartdiseaseandcancer.Expertssaythebestwaytoimproveindoorairqualityistoremovematerialsthatcausetheairpollution.Anotherwayistoincreasetheamountofoutsideairthatentersthebuilding.Andathirdwayistousedevicesthatcleantheair.

PartDExtensiveListening

1.professional2.shy3.inpublic4.oldsaying5.group6.middle7.successful8.overcome.9.reminding10.ataparty11.unlimited12.weather13.safesubject14.thatway15.schooldays16.verywarm17Obviously18.home19.apicture20.onthewall

Unit14

1.M:

Myheadachesareterrible.MaybeIneedmoresleep.

W:

Actually,youneedlesssunandsomeaspirin.Itwouldhelpifyouworeahat.

Q:

Whatdoesthewomanthinkisthecauseoftheman’sheadaches?

2.M:

Mrs.Winter,Ineedyouradvice.Iwanttobuyadressformywife.CanyoutellmewhereIcangetoneatareasonalbeprice?

W:

Sure.GotoRichard’s.ithasthelateststylesandgivesa30%discounttohusbandswhoshopalone.

Q:

WhatdoweknowabouttheRichard’sstore?

3.M:

Theheadacheiskillingme.Iwashopingitwouldjustgoaway,butis’sgettingworsebytheminutes.Whatdidyousaythenameofyourdoctorwas?

W:

Itoldyoulastweektomakethatappointment.

Q:

Whatinformationdoesthewomanwant?

4.M:

Ihaveacomplainttomake,Sir.IwaitedtenminutesatthetablebeforethewaitershowedupandwhenIfinallygotservedIfounditwasnotwhatIordered.

W:

I’mterriblysorry,Madam.It’sbeenunusallybusytonight.Asacompensation,yourmealwillbefree.

Q:

Wheredoest