新视野大学英语视听说教程第二版第三册答案(全)

Unit1Enjoythecolorfulcampuslife!II.BasicListeningPracticeKeys:1.C2.D3.B4.D5.AIII.ListeningInTask1:OnthefirstdayKeys:(1)thefirstday(2)changing(3)reallygood(4)hardworkers(5)wentoverherhead(6)explained(7)notes(8)Wednesday(9)participation(10)educationTask2:Howtoselectelectivecourses?Keys:(1)extratraining(2)chemistry(3)accounting(4)manyfieldsofstudy(5)betterpotential(6)businessdegree(7)challenging(8)howtolearn(9)betterunderstanding(10)narrow-mindedTask3:HowtogetstraightA's?Keys:1.B2.C3.D4.A5.DIV.SpeakingOutMODEL1(1)alreadyIfeellikeI’velearnedalot(2)IalreadyfeellikeI’muptomyearsinhomework(3)havetohitthebooks(4)ruboffonyou(5)Probably,you’llhavetorepeattheyear(6)I’llbeburningthemidnightoil.MODEL2(1)howI’mgoingtostayawake.(2)Hecouldputtheentirebasketballteamtosleep--duringthechampionshipgame!(3)She’stough!MODEL3(1)whatareyourprimarydutiesasaprofessor?(2)Idoalotofresearchandwriting.(3)Teachingisanimportantpartofbeingaprofessor.(4)applyingforgrantstofundmyresearch.(5)beingaprofessorsoundsprettycompetitive.(6)SoyougetanFinthiscourse.V.Let’sTalkTask1:Maintainingthequalityorincreasingtheintake?Keys:(1)quality(2)young(3)25(4)difficult(5)government(6)quality(7)cut(8)extra-cautious(9)afford(10)experience(11)more(12)blame(13)budget(14)puzzled(15)serviceVI.FurtherListeningandSpeakingListeningTask:Task1:ProblemswithoureducationalsystemKeys:(1)standardizedtests(2)abilitiesandinterest(3)interest(4)pressure(5)well-rounded(6)getintogoodcolleges(7)therestoftheschool(8)frombadtoworseTask2:ThefinalexamKeys:(1)course(2)quizzes(3)semester(4)confident(5)party(6)make(7)missed(8)theyhadaflattireonthewaybackanddidn'thaveaspare(9)placedtheminseparaterooms,handedeachofthemapaper(10)OnthesecondpagewasaquestionworthTask3:HarvardUniversityKeys:1.B2.A3.C4.D5.DViewingandspeaking:Task1:UniversitybudgetcutsKeys:(1)increasing(2)12/twelve(3)more(4)facilities(5)lecturers(6)poorer(7)grant(8)one(9)budget(10)less(11)young(12)classic(13)part-time(14)growing(15)two-yearUint2Ourglobeisindanger!I.LeadinTask1:sandstorm;airpollution;deforestationwaterpollution;meltingpolaricecap;lightpollutiondrought;desertification;litteringII.BasicListeningPracticeKeys:1.B2.D3.A4.A5.CIII.ListeningInTask1:Weshouldhaveproperrespectfornature!Keys:(1)nature(2)environmentalproblem(3)pollution(4)promote(5)awareof(6)fromoccurring(7)law(8)throwaway(9)fined(10)trashTask2:RiverpollutionScript:Ifyouseedeadfishfloatingontheriverornoticethatthewaterisdiscoloredandsmelly,youknowtheriverhasbeenpolluted,andtherearefourmainpossiblecausesforit.First,fertilizer.Iflargeamountsoffertilizerorfarmwastedrainintoariver,theconcentrationsofnitrateandphosphateinthewaterincreaseconsiderably.Algaeusethesesubstancestogrowrapidly,turningthewatergreen.Thismassivegrowthofalgaeleadstopollution.Whenthealgaedie,theyarebrokendownbytheactionofthebacteria,whichquicklymultiply,usingupalltheoxygeninthewaterandthereforecausingthedeathoffish.Second,industrialwaste.Factoriessometimesdischargechemicalwasteintorivers.Examplesofsuchpollutantsincludecyanide,lead,copper,andmercury.Thesesubstancesmayenterthewaterinsuchhighconcentrationsthatfishandotheranimalsarekilledimmediately.Sometimesthepollutantsenterthefoodchainandaccumulateuntiltheyreachtoxiclevels,eventuallykillingfishandotheranimals.Third,oilpollution.Ifoilentersaslow-movingriver,itformsarainbow-coloredfilmovertheentiresurface,preventingoxygenfromenteringthewater.Fourth,warmwater.Industryoftenuseswaterforcoolingprocesses,sometimesdischarginglargequantitiesofwarmwaterbackintorivers.Ahighertemperatureofthewaterlowersthelevelofdissolvedoxygenandupsetsthebalanceoflifeinthewater.Keys:1.D2.A3.B4.C5.DTask3:CurbingcarbonemissionsScript:Althoughitisnotaneasytask,ChinaisstrivingtofulfillthepromisetocutitscarbondioxideemissionsperunitofGDPby40to45percentinthenext10years.ZhangGuobao,DirectoroftheNationalEnergyAdministration,said,Thegovernmentputsgreatemphasisonseekingharmoniousdevelopmentbetweencitiesandtheenvironment,andisreadjustingtheenergystructurebygivingprioritytothedevelopmentofcleanandlow-carbonenergies,includinghydroelectric,nuclear,wind,andsolarpower.Governmentauthoritieshaveclosedsmall,coal-firedplantswithatotalcapacityof60.06millionkilowattsinthepastfouryears.Thisyear'stargetofclosing10millionkilowattsofcapacitywillbeachievedbyAugust.Wehavepromisedtotheinternationalcommunitythat15percentofourpowerwillbegeneratedfromnonfossilsourcesby2020,DirectorZhangsaid.Atpresent,non-fossilenergyaccountsforonly7.8percent.Chinaismakingeffortstoincreasetheproportionofcleanenergyinitstotalenergyconsumption.StatisticsshowthatChinainvestedUS$34.6billionincleanenergylastyear,exceedingtheUnitedStateswhichinvestedUS$18.6billion.Thus,Chinahasbecometheworldleaderingeneratingcleanenergy.Fiveyearsearlier,China'sinvestmentincleanenergywasonlyUS$2.5billion.However,China'scarbonemissionreductiontargetcannotbeachievedeasily.Theshifttoalow-carboneconomymightbemetatacosttosociety.Forinstance,morethan400,000peoplewerelaidoffasaresultoftheshutdownofsmallcoal-firedpowerplantsinthepastfouryears.Manystu