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