沈阳农业大学大二英语期末考听力.docx

沈阳农业大学大二英语期末考听力.docx

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沈阳农业大学大二英语期末考听力

Unit2Ourglobeisindanger!

II.BasicListeningPractice

1.Script

M:

Nowwehavesatelliteandhigh-poweredmicroscopes,it’seasytothinkweknoweverythingabouttheworld;butwestilldon’tunderstandEINino.

W:

Right.EventhescientistsareuncertainabouttheexactcauseofthewarmPacificcurrentthatbringsstormsordrought—themysteriousEINino.

Q:

Whichofthefollowingistrueaccordingtotheconversation?

B）EvenscientistscannotunderstandEINino.

2.Script

M:

Everyoneistalkingaboutenvironmentalproblem:

acidrain,greenhouseeffect,holesintheozonelayer.Weshouldthinkpositively.Whatcanwedotoimprovethings?

W:

Iagree.Wecoulddoalotmoretoharnessthesun’senergyforheatingandlightinginourhomes.MillionsofsolarroofsarenowemerginginJapan,theU.S.,Italy,andGermany.

Q:

Howdothemanandthewomanviewtheenvironment?

D）Boththemanandwomanthinkpositivelyaboutit.

3.Script

W:

WelivedinBeijingsomeyearsago.Itwasalwaysdifficulttokeepthehousecleanwiththewindfromthenorthblowingsandfromthedesert.

M:

That’swhytheChinesegovernmenthasbeenencouragingpeopletoplanttreesalongtheedgesoftheGobiDesert.Nowthosetreesactaswindbarriers.

Q:

WhathavetheChinesepeoplebeenencouragedtodo?

A）Togrowtrees.

4.Script

M:

ManyoldrefrigeratorsandcarsareenvironmentalhazardsbecausetheycontainCFCsthatdestroytheozonelayer.

W:

Yes,butgovernmentorganizationsarehelpingpeopletosafelydisposeofoldrefrigeratorsor,inthecaseofcars,toupgradetheirairconditioning.

Q:

Whataregovernmentorganizationshelpingpeopletodo?

A）Totreatoldelectricalappliancessafely.

5.Script

M:

Hey.That’sanaerosolsprayyou’reusingonyourhair!

Buildabomborsetfiretotheapartmenttokillusquicklyinsteadofmakingholesintheozone,sowedieofcancer.

W:

Coolit.Thisspraydoesn’tcontainCFCs.Andyou’dbetterreadalittlemore.

Q:

Whatdoesthemanmean?

C）Thewomanshouldnotuseanaerosolspray.

III.ListeningIn

Task1:

Weshouldhaveproperrespectfornature!

Martha:

Doyouthinkmostpeopleinyourculturerespectnature?

Ed:

Ithinkso.Um…morenowthanbefore.

Martha:

Whatdoyouthinkisthemostseriousenvironmentproblemintheworldtoday?

Ed:

Today…Ithinkdamagetotheozonelayerisabigproblem,andanotherproblemispollutioninbigcitiesandthingslikethat.

Martha:

Howdoyoulearnaboutenvironmentalproblems?

Ed:

Um…throughschool.Alotofclubspromoteenvironmentalsafely,andsomeTVprograms,too.Theytalkaboutenvironmentalsafelyandstufflikethat.

Martha:

Doyouthinkstudentsshouldlearnmoreabouttheenvironmentatschool?

Ed:

Ithinkso.So,astheygrowolder,theycanbemoreawareofalltheproblemsthataregoingon,andpreventmoreproblemsfromoccurring.

Martha:

Ifyoucouldcreateanewlawtohelptheenvironment,whatwoulditbe?

Ed:

Anewlawfortheenvironment?

Um…I’dprobablysaythatwhenpeoplethrowawaytheircigarettebutts,theyhavetothrowthemintothegarbagebin,notjustthrowthemeverywherebecauseit’sjustlitteringandIhatethat.Sotheyshouldbefinediftheythrowthemonthefloorontheground.

Martha:

That’sagoodidea.Whatdoyoupersonallydotohelpprotecttheenvironment?

Ed:

I’msoagainstlittering.Ineverlitter.IfIseesomebodylitter,Igetreallyangry.SoIalwaysthrowmytrashintothegarbagebin.

Key:

（1）nature

（2）environmentalproblem

（3）pollution

（4）promote

（5）awareof

（6）fromoccurring

（7）law

（8）throwaway

（9）fined

（10）trash

Task2:

Riverpollution

Script

Ifyouseedeadfishfloatingontheriverornoticethatthewaterisdiscoloredandsmelly,youknowtheriverhasbeenpolluted,andtherearefourmainpossiblecausesforit.

First,fertilize.Iflargeamountoffertilizeorfarmwastedrainintoariver,theconcentrationsofnitrateandphosphateinthewaterincreaseconsiderably.Algaeusethesesubstancestogrowrapidly,turningthewatergreen.Thismassivegrowthofalgaeleadstopollution.Whenthealgaedie,theyarebrokendownbytheactionofthebacteria,whichquicklymultiply,usingupalltheoxygeninthewaterandthereforecausingthedeathoffish.

Second,industrialwaste.Factoriessometimesdischargechemicalwasteintorivers.Examplesofsuchpollutantsincludecyanide,lead,copper,andmercury.Thesesubstancesmayentertheriverinsuchhighconcentrationsthatfishandotheranimalsarekilledimmediately.Sometimesthepollutionsenterthefoodchainandaccumulateuntiltheyreachtoxiclevels,eventuallykillingfishandotheranimals.

Third,oilpollution.Ifoilentersaslow-movingriver,itformsarainbow-coloredfilmovertheentiresurface,preventingoxygenfromenteringthewater.

Fourth,warmwater.Industryoftenuseswaterforcoolingprocesses,sometimesdischarginglargequantitiesofwarmwaterbackintorivers.Ahighertemperatureofthewaterlowersthelevelofdissolvedoxygenandupsetsthebalanceoflifeinthewater.

Questionandkey:

1.Whatisthepassagemainlyabout?

D）Thecausesofriverpollution.

2.Whydoestheriverwaterturngreen?

A）Becausenitrateandphosphateinthewaterincrease.

3.Whatharmdoesindustrialwastecause?

B）Poisoning..

4.Whichofthefollowingistrueofoilpollution?

C）Itpreventsoxygenfromenteringthewater.

5.Whatharmcanwarmwaterinariverbring?

D）Lackofoxygen.

Task3:

Curbingcarbonemissions

Script

Althoughitisnotaneasytask,ChinaisstrivingtofulfillthepromisetocutitscarbondioxideemissionsperunitofGDPby40to45percentinthenext10years.

ZhangGuobao,DirectoroftheNationalEnergyAdministration,said,“Thegovernmentputsgreatemphasisonseekingharmoniousdevelopmentbetweencitiesandtheenvironment,andisreadjustingtheenergystructurebygivingprioritytothedevelopmentofcleanandlow-carbonenergies,includinghydroelectric,nuclear,wind,andsolarpower.”

Governmentauthoritieshaveclosedsmall,coal-firedplantswithatotalcapacityof60.06millionkilowattsinthepastfouryears.Thisyear’stargetofclosing10millionkilowattsofcapacitywillbeachievedbyAugust.

“Wehavepromisedtotheinternationalcommunitythat15percentofourpowerwillbegeneratedfromnon-fossilsourcesby2020,”DirectorZhangsaid.Atpresent,non-fossilenergyaccountsforonly7.8percent.

Chinaismakingeffortstoincreasetheproportionfcleanenergyinitstotalenergyconsumption.StatisticsshowthatChinainvestedUS$18.6billion.Thus,Chinahasbecometheworldleaderingeneratingcleanenergy.Fiveyearsearlier,China’sinvestmentincleanenergywasonlyUS$2.5billion.

However,China’scarbonemissionreductiontargetcannotbeachievedeasily.Theshifttoalow-carboneconomymightbemetatacosttosociety.Forinstance,morethan400,000peoplewerelaidoffasaresultoftheshutdownofsmallcoal-firedpowerplantsinthepastfouryears.ManystudiesindicatethattheefforttocurbgreenhousegasemissionsmaydelayChina’sdevelopment,affectpeople’sincome,andleadtounemployment.

Questionandkey:

1.Whatisthepassagemainlyabout?

D）Cuttingcarbondioxideemissions:

China’sachievementsandproblems.

2.FromfouryearsagountilAugustthisyear,howmanykilowattsofcoal-firedplantcapacitywillhavebeenclose？

D）Morethan70million.

3.By2020,whatwillbetheproportionofnon-fossilenergyinthetotalpowerinChina?

A）15%.

4.WhichofthefollowingistrueoftheinvestmentbyChinaandtheUnitedStatedincleanenergylastyear?

B）China’sinvestmentwasalmosttwiceaslargeastheUnitedStates.

5.Whichofthefollowingisnotmentionedinthepassageasaproblemarisingfromcurbinggreenhousegasemissions?

C）Causingmorestrikes.

IV.SpeakingOut

MODEL1  Ourglobeisindanger

John:

 HowisyourGrandmagettingalongduringthisusuallyhotweather?

Nora:

 Overthelastfewyears,Grannyhasbeencomplainingthatthehot,humidweatheriskillingher.Shebelievestheweatherhaschanged.

John:

 Whatshemeansistheclimate’slong-termconditions;weatherrefersonlytoday-to-dayconditions.

Nora:

Yeah,shesayssummerishotter,andwinterwetter.ButItriedtocomforther,saying,“It’sallinyourmind,Granny.”

John:

She’sright,youknow.Thegreenhouseeffectdoesbringglobalwarmingandrain.

Nora:

HowcanIexplainglobalwarmingandgreenhousegasestoa97-year-oldGranny?

John:

Tellhertheearthnowislikearealgreenhousemadeofglasspanelsthatletinlightandtrapheat.

Nora:

Thinkshe’llwanttoknowthatcarbonmonoxidefromearthmakesgreenhousegases?

John:

Everybodyshouldknowwhatcauseglobalwarming;otherwisewewon’tstopit.

Nora:

I’lltellGrannynottoburnanymorewoodorcoal,ortousesprayonthehair.

John:

OK,jokeaboutit,butitwon’tbesofunnywhenthepolaricecapsmeltandoceansrise.

MODEL2Rainforestswillsoonbeonlyamemory.

Susan:

Hey,Chris,thereisanenvironmentalgrouponcampusaskingfordonationstosavetherainforests.

Chris:

Sowhat?

Susan:

Sowhat?

!

Don’tyouwanttosavetherainforests?

Chris:

Butthere’renorainforestsinourcountry.Theyneedhot,tropicalclimates.

Susan:

Comeon.Arainforestisanyforestwhereheavyrainfallleadstodensevegetation.Tropicalrainforestscanbefoundinhoe,tropicalareas,buttherearealsocoolrainforests,includingoneinsoutheastAlaska.

Chris:

Howdidyouknowthat?

Susan:

Well,I’vejustreadabookonrainforests.Youknow,140nillionpeopleliveintheworld’srainforests,and35percentoftheworld’splantandanimalspeciesexistonlyinrainforests.

Chris:

Wow,I’mimpressed.So