六级听力练习IV录音文字.docx

六级听力练习IV录音文字.docx

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六级听力练习IV录音文字

SectionA

Directions：

Inthissection，youwillheartwolongconversations.Attheendofeachconversation，youwillhearsomequestions.Boththeconversationandthequestionswillbespokenonlyonce.Afteryouhearaquestion，youmustchoosethebestanswerfromthefourchoicesmarkedA），B），C）andD）.ThenmarkthecorrespondingletteronAnswerSheet1withasinglelinethroughthecentre.

ConversationOne

W：

Today'sgueston"ScienceUpdate"isDavidBrown.Dr.Brown，youandyourteamhavefoundbacteriafarbelowtheEarth'ssurface.Youmustbethrilledaboutyourdiscovery.

M：

Well，yes，it'sveryexciting.Foralongtimewe'dsuspectedthepresenceofsuchorganisms，butwelackedsubstantialevidence.

W：

Howdidyouconfirmtheexistenceofthebacteria?

M：

Well，technologyhelped.Ourdrillingtechniqueshaveimprovedsignificantly，andsotheriskthatsurfacebacteriacouldbemistakenforthosefoundatmuchgreaterdepthwasreduced.Withthenewtechniques，wecouldgetmuchdeeperintotheEarth.

W：

Howfardowndidyouactuallyget?

M：

Inonecase，aboutthreekilometers.Weweresurprised，Imusttellyou，thattherewereorganismsthatfardown.

W：

Youknow，itsoundslikefiction，somethinglikealostworld.

M：

Let'scallitahiddenbiosphere，andit'sprobablyaveryextensiveone.

Themassofthelivingorganismsbelowthesurfacemaybeequalinsizetothemassofthesurfacebacteria.

W：

Haveyoufoundanyuniquelife-forms?

M：

Yes.We'vefoundaveryspecialorganism.Let'scallitType-Abacterium.Itcanliveandgrowonlywherethereisnooxygen.

W：

Isthereanydangerofthesebacteriainfectingpeoplewhenyoubringthemtothesurface?

M：

Thesebacteriawereadaptedtoanenvironmentthat'scompletelydifferentfromhumans'.That'stosay，theycouldnotsurviveinourenvironment.Sowereallydon'tneedtoworryaboutthesebacteriacausingillnessinpeople.

Questions1to4arebasedontheconversationyouhavejustheard.

1.WhathaveDr.Brownandhisteamdiscovered?

2.WhathelpstoconfirmtheexistenceofbacteriabelowtheEarth'ssurface?

3.Howdeepdowndidthemanfindthebacteria?

4.Whydoesthemansaythereisnodangerofinfectionbythebacteriabroughttosurface?

ConversationTwo

W：

Ihaven'tseenyouhereforacoupleweeks.Haveyoustoppedeatingorsomething?

M：

No.DoesitlooklikeI'vestoppedeating?

I'vebeenspendingalotoftimeinthelibrary.

W：

Workingonapaper?

M：

IwishIwasworkingonapaper！

I'mworkingonthreedifferentpapers:

anthropology，Englishliterature，andhistory.

W：

Wow，thatisalotofwork.

M：

Yeah，andwhat'sfrustratingisthatI'mstudyingthenineteenthcenturyBritishEmpireinallthreeclasses，butIcan'tjustwriteasinglepaperforallthree.

W：

Whynot?

M：

Theprofessorswon'tletmeevenifImakeitthreetimesaslongasthesuggestedlength.

W：

That'stoobad.Couldyouwriteyourpapersonthreeaspectsofonetopic?

M：

Hmm.Whatdoyoumean?

Doyouhavesomethinginmind?

W：

Well，let'ssee.Hmm...MaybeyoucoulddosomethingwithRomanticism，like，oh...writeyouranthropologypaperontheculturalbasisofRomanticism，and，uh，yourhistorypaperontheinfluenceoftheRomanticpoetsonBritishforeignpolicy，and，OK，andyourEnglishpaperonananalysisofsomeRomanticpoems.

M：

Hey，that'snotabadidea！

I'vealreadystartedtheresearchforoneofthepapers，soIcanusethat.WhatcanIdotorepayyou?

W：

Youwanttowriteupmychemistrypaperforme?

M：

I'dloveto，butI'venevertakenchemistry，soI'mnotsureyou'dliketheresults.

W：

Ohwell，nothanksnecessarythen.I'lldoitmyself.Haveagoodweekend，andtrytogetoutofthelibraryandgetsomesleep.Youhavebigcirclesunderyoureyes.

M：

OK，I'lltry.Seeyoulater.

Questions5to8arebasedontheconversationyouhavejustheard.

5.Whathasthemanbeenbusydoingrecently?

6.Whatdoesthewomansuggestthemandotomakehisworkeasier?

7.WhydoesthewomanmentionRomanticism?

8.Whydoesn'tthemanwanttohelpthewoman?

SectionB

Directions：

Inthissection，youwillheartwopassages.Attheendofeachpassage，youwillhearsomequestions.Boththepassageandthequestionswillbespokenonlyonce.Afteryouhearaquestion，youmustchoosethebestanswerfromthefourchoicesmarkedA），B），C）andD）.ThenmarkthecorrespondingletteronAnswerSheet1withasinglelinethroughthecentre.

PassageOne

Ihopeyouhaveallfinishedreadingtheassignedchapteroninsurance-sothatyou'repreparedforourdiscussiontoday.But，beforewestart，I'dliketomentionafewthingsyourtextdoesn'tgointo.

It'sinterestingtonotethatinsurancehasexistedinsomeformforaverylongtime.Theearliestinsurancepoliciesprovidedshippingprotectionformerchantsasfarbackas3000B.C.

Ingeneral，thecontractswereoftennomorethanverbalagreements.Theygrantedloanstomerchantswiththeunderstandingthatifaparticularshipmentofgoodswaslostatsea，theloandidn'thavetoberepaid.Interestontheloansvariedaccordingtohowriskyitwastotransportthegoods.Duringperiodsofheavypiracyatsea，forexample，theamountofinterestandthecostofthepolicywentupconsiderably.So，youcanseehowinsurancehelpedencourageinternationaltrade.Eventhemostcautiousmerchantsbecamewillingtoriskshippingtheirgoodsoverlongdistances-nottomentioninhazardousweatherconditions-whentheyhadthiskindofprotectionavailable.

Generallyspeaking，thebasicformofaninsurancepolicyhasbeenprettymuchthesamesincetheMiddleAges.Therearefourpointsthatwereprominentthenandremaindominantinallpoliciestoday.Thesewereoutlinedinchaptersixandwillserveasthebasisfortherestoftoday'sdiscussion.

Questions9to11arebasedonthepassageyouhavejustheard.

9.Whowerethefirstinsurancecontractsdesignedtoprotect?

10.Whatdeterminedtheinterestontheloans?

11.Whatdoesthespeakersayaboutcurrentinsurancepolicies?

PassageTwo

Milkwasabasicfoodofmanlongbeforehistorywaswritten.Itwillprobablykeeponbeingoneaslongasthereareanimalsthatgivemilk.

Manyancientpeoplethoughtthatmilkhadgreathealingpower.OneofthemostfamousGreekdoctorstoldhispatientstodrinkmilktocureillness.

Formorethantwohundredyearsmostpeoplegottheirmilkfromtheirowncattleorfromanearbydairyherd.Butintimenewinventionsmadethedairyindustryabigbusiness.In1851GailBorden，founderofamilkcompany，foundawaytotakesomeofthewateroutofmilk.Thismadeitkeepmuchlonger.Fouryearslater，LouisPasteurintroducedthepasteurizationprocess.Thisprocesskilledthebacteriainmilkthatcausedittospoil.Next，aspecialmilkbottlewasdesigned.Thiswasfollowedbytheinventionofmachinesthatcouldfillbottlesandcapthemautomatically.Thesediscoverieshadagreateffectonthedairyindustry.Theymeantthatmilkcouldbestoredlonger.Itcouldbesafelyshippedoverlongdistances.Preparinganddistributingmilksoonbecamealarge-scalebusiness.Recently，inasingleyearmorethansixtybillionquartsofmilkweresoldintheUnitedStates.

SomepeoplebelievethatmilkdrinkingwillbecomelesspopularinAmericathanithasbeen.Butrememberhowlongmilkhasbeenabasicfoodandthinkofthemanywaysinwhichitisuseful.Itseemssafetosaythatthemilkindustrywillalwaysbeimportant.

Questions12to15arebasedonthepassageyouhavejustheard.

12.Whatdidancientpeoplethinkaboutmilk?

13.Whydidmilkbecomeabigbusiness?

14.Whatinventionmademilkkeeplongerin1851?

15.Whatdoesthespeakerthinkofthemilkindustryinthefuture?

SectionC

Directions：

Inthissection,youwillhearrecordingsoflecturesortalksfollowedbysomequestions.Therecordingswillbeplayedonlyonce.Afteryouhearaquestion,youmustchoosethebestanswerfromthefourchoicesmarkedA），B），C）andD）.ThenmarkthecorrespondingletteronAnswerSheet1withasinglelinethroughthecentre.

Nowlistentothefollowingrecordingandanswerquestions16to19.

Fiftyyearsago，whenIbeganexploringtheocean，nooneimaginedthatwecoulddoanythingtoharmtheoceanbywhatweputintoitorbywhatwetookoutofit.Itseemed，atthattime，tobeaseaofparadise，butnowweknowthatwearefacingparadiselost.

Iwanttosharewithyoumypersonalviewofchangesintheseathataffectallofus，andtoconsiderwhyitmattersthatin50years，we'velost---actually，we'vetaken，we'veeaten---morethan90percentofthebigfishinthesea；whyyoushouldcarethatnearlyhalfofthecoralreefshavedisappeared；whyareductionofoxygeninlargeareasofthePacificshouldconcernnotonlythecreaturesthataredying，butitreallyshouldconcernyou.Itdoesconcernyou，aswell.

Therewasstilltime.Well，nowisthattime.Ihopeforyourhelptoexploreandprotectthewildoceaninwaysthatwillrestorethehealthand，insodoing，securehopeforhumankind.Healthtotheoceanmeanshealthforus.

Forme，asascientist，itallbeganin1953whenIfirsttriedunderwaterbreathingdevice.It'swhenIfirstgottoknowhowfishswimminginmysteriousocean.Iactuallylovedivingatnight；youseealotoffishthenthatyoudon'tseeinthedaytime.Sincethen，I'vestarteddesigningandbuilding13underwatersystemstoaccessthedeepsea.Iledafive-yearNationalGeographicexpedition，theSustainableSeasexpeditions，usingtheselittlesubmarines.They'resosimpletodrivethatevenascientistcandoit.AndI'mlivingproof.

Overtime，mostoftheplanet'sorganiccarbonhasbeenabsorbedandstoredthere.Theoceandrivesclimateandweather，stabilizestemperature，shapesEarth'schemistry.Waterfromtheseaprovideshomeforabout97percentoflifeintheworl