《现代大学英语听力4》听力原文及题目答案Unit 2汇总.docx
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《现代大学英语听力4》听力原文及题目答案Unit2汇总
Unit2
Task1:
【答案】
June5th,theUnitedNations,1972,worldleadersandcitizenshowtoprotecttheenvironment,SanFrancisco,California,"PlanthePlanet","GreenCities",mostpeoplenowlive,morethan75percent,theformervicepresident,musicconcerts,parades,treeplantings,representativesfrommanyenvironmentalorganizations
【原文】
EveryyearonJunefifthmanycountriescelebrateWorldEnvironmentDay.TheUnitedNationsestablishedthisspecialdayinnineteenseventy-twotogetpeopletothinkabouttakingcareoftheplanet.FaithLapidustellsusmore.
“PubliceventsforWorldEnvironmentDayaretakingplacefromJunefirstthroughJunefifth.Theeventsandconferenceshelpteachworldleadersandcitizenshowtoprotecttheenvironment.
“EveryyearWorldEnvironmentDayiscelebratedinadifferentcity.ThisyearitisbeingheldinSanFrancisco,California.ThisisthefirsttimesincethebeginningofWorldEnvironmentDaythattheconferenceisbeingheldintheUnitedStates.ThemainmessageofWorldEnvironmentDaythisyearis„PlanforthePlanet‟.Theeventsandconferenceswillshowhowtohave„GreenCities‟.Thismeansthatpeoplewilltalkaboutwaysthatcitiescanhavehealthyenvironments.
“Mostpeopleintheworldliveincities.Thismakesthemespeciallyimportantareasofenvironmentalconcern.Citiesusemorethanseventy-fivepercentoftheworld'snaturalresourcessuchaswaterandgasoline.WorldEnvironmentDaywillcenteronhowpeopleincitiescanworktogethertohelpsavetheplanet.
“SanFranciscoisholdingpublictalkstodiscusspollutionreduction,cleanenergysourcesandtheimportanceofhealthyparksandgardens.Specialexpertsareamongthespeakers.Forexample,formervice-presidentAlGorewilltalkaboutclimatechange.Therealsoarefuneventssuchasmusicconcerts,movies,artshows,parades,bicycleridesandtreeplantings.Localfarmersandrestaurantownerswillservefoodthathasbeennaturallygrown.
“TheMayorofSanFrancisco,GavinNewsom,invitedcityleadersfromallovertheworldtoattendthisconferenceandshareideas.Representativesfrommanyenvironmentalorganizationsalsoareattending.TheUnitedNationshopestocreateaninternationalagreementthatcountriesandcitizenswillfollowtohelpimprovetheEarth'senvironment.”
Task2:
【答案】
A.
1d
2a
3b
4c
B.
1Occupationalnoise
2Aircraftnoise
3Trafficnoise
【原文】
Thesenseofsoundisoneofourmostimportantmeansofknowingwhatisgoingonaroundus.Soundhasawastedproduct,too,intheformofnoise.Noisehasbeencalledunwantedsound.Noiseisgrowinganditmaygetmuchworsebeforeitgetsandbetter.
Scientists,forseveralyears,havebeenstudyinghownoiseaffectspeopleandanimals.Theyaresurprisedbywhattheyhavelearned.Peaceandquietarebecominghardertofind.Noisepollution—thecrashing,squeaking,banging,hammeringofpeople—isnojoke.Itisathreatthatshouldbelookedatcarefully.Soundismeasuredinunitscalled“decibels”.Atalevelof140decibelspeoplefeelpainintheirears.
Automobiles,trucks,buses,motorcycles,airplanes,boats,factories,bands—allthesethingsmakenoise.Theybothernotonlyourears,butourmindsandbodiesaswell.Thereisasayingaboutitbeingsonoisythatyoucan‟thearyourselfthink.Doctorswhostudynoisebelievethatwemustsometimeshearourselvesthink.Ifwedon‟twemayhaveheadaches,otherachesandpains,orevenworsementalproblems.Noiseaddsmoretensiontosocietythatalreadyfacesenoughstress.Butnoiseisnotanewproblem.InancientRome,peoplecomplainedsomuchaboutnoisethatthegovernmentstoppedchariotsfrommovingthroughthestreetsatnight!
Noisecanbeseparatedintoafewgeneralgroups.ThefollowingexamplesaretakenfromhearingsbeforetheUSSenateSubcommitteeonAirandWaterPollutionin1970.
Occupationalnoise—Factoryworkerswhoalwayshearnoisehavepoorerhearingthanothergroups.
Aircraftnoise—Aroundairportsoronairroutesthenoiseofairplanestakingoffandlandingcausesthegreatestcomplaints.
Trafficnoise—Awayfromthenoiseofplanes,trafficsoundsbreakinonourpeaceandquiet.Trucksandmotorcyclescausethemostproblems.
Task3:
【答案】
1F
2F
3T
4F
5T
6F
7F
8T
9T
【原文】
Weusuallythinkofpollutionasaharmfulwastesubstancethatthreatenstheairandwater.Butsomepeoplehavebecomeconcernedaboutanotherkindofpollution.Itcanbeeverywhere,dependingonthetimeofday.Anditwasnotthoughtofasasubstance.Itislight.
Theideaoflightpollutionhasdevelopedwiththeincreaseoflightsincities.Inmanyareas,thislightmakesitdifficultorimpossibletoobservestarsandinthenightsky.In1998,theInternationalDark-SkyAssociationformed.Thisorganizationwantstoreducelightpollutioninthenightsky.Italsourgestheeffectiveuseofelectriclighting.
Thereareanumberofreasonswhylightpollutionisimportant.OnehasbecomeclearattheMountWilsonnearLosAngeles,California.MountWilsonObservatorywashometothelargesttelescopesintheworldduringthefirsthalfof1900.
Duringthatperiod,LosAngelesgrewtobecomeoneofAmerica'sbiggestcities.
Today,lightfromLosAngelesmakesthenightskyaboveMountWilsonverybright.Itisnolongeranimportantresearchcenterbecauseoflightpollution.
Lightpollutionthreatenstoreducethescientificvalueofresearchtelescopesinotherimportantobservatories.TheyincludeLickObservatorynearSanJose,CaliforniaandYerkesObservatorynearChicago,Illinois.
Lightpollutionistheresultofwastedenergy.BrightlightshiningintotheskyisnotbeingusedtoprovidelightwhereitisneededonEarth.Poorlydesignedlightingcausesagreatdealoflightpollution.Lightsthatarebrighterthannecessaryalsocauselightpollution.
Recently,twoItalianastronomersandanAmericanenvironmentalscientistcreatedaworldmapofthenightsky.ThemapshowsthatNorthAmerica,WesternEuropeandJapanhavethegreatestamountoflightpollution.
MostpeopleinAmericaaresurprisedtofindoutthattheyareabletoseeourowngalaxy,theMilkyWay,withtheirowneyes.ButaboutthreefourthsofAmericanscannotseetheMilkyWaybecauseofman-madelight.
Objectsinthenightskyareresourcesthatprovideeveryonewithwonder.Andlightpollutionthreatenstopreventthosewonderfulsightsfrombeingseen.
Task4:
【答案】
A.
IsraelandJordan,365,thelowestpoint,saltiest,areimportanttoJews,ChristiansandMuslims,Minerals,Thestrangebeautyofthesea
B.
Messagesentbythisproject:
C.
1T
2T
【原文】
IsraelandJordanrecentlyannouncedthattheywouldworktogethertohelpsavetheDeadSeafromshrinking.Governmentofficialssaidthejointprojectwouldhelpthesea,protectthearea'sunusualwildlifeandincreasethenumberofvisitorstothearea.TheannouncementwasmadeduringtheUnitedNationsWorldSummitonSustainableDevelopmentearlierthismonthinJohannesburg,SouthAfrica.
TheDeadSeaisontheborderbetweenIsraelandJordan.Itis365metersbelowsealevel.ThatisthelowestpointonEarth.TheDeadSeaisthesaltiestlargebodyofwaterintheworld.TheareaaroundtheDeadSeahasancientplacesthatareimportanttoJews,ChristiansandMuslims.MineralsintheDeadSeaareusedforhealthtreatments.Thestrangebeautyoftheseabringsmanyvisitorstothearea.
ButtheDeadSeaisshrinkingbyalmostonemetereachyear.MostofthewaterthatflowsintotheDeadSeacomesfromtheJordanRiver.However,waterflowingfromtheJordanRiverhasbeenredirectedforotherusesinthearea.Officialssaywithinthenext50years,theDeadSeacouldshrinktolessthanhalfofitscurrentsize.
Topreventthat,IsraelandJordanplantobuildapipelinemorethan300kilometerslong.ThepipelinewouldpumpwaterfromtheRedSeathroughbothcountriesintotheDeadSea.Afterthepipelineisbuilt,theofficialshopetobuildacanalandasaltremovalSystemthatwillprovidefreshwatertoJordanians,IsraelisandPalestinians.
Thepipelinewilltakeatleastthreeyearstobuild.Theprojectwillcostasmuchas1,000milliondollars.IsraelandJordanhopetopayforitwithhelpfromothercountries.Theprojectisexpectedtobeginafteranine-monthstudyiscompleted.
IsraelandJordanhadhopedtocooperatecloselyonanumberofissuesaftertheysignedapeaceagreementin1994.However,tensionshaveincreasedbetweenthemsincethecurrentPalestinianuprisingbegantwoyearsago.
OfficialsfromIsraelandJordandescribedthewaterprojectasamajorstepforward.Expertssaytheagreementsendsamessagethattheenvironment,ecologyandnaturearemoreimportantthanbordersorpoliticalconflicts.
Task5:
【答案】
A.
127percent,higheroceantemperatures,activitiesbypeople,60percent
2developingcountries,offthecoastofnortheasternAustralia,offthePhilippines,theCaribbeanislands,SouthAmerica
B.
Coralreefssupportmanykindsofsealife.
Coralreefsalsoprotectcoastalcommunitiesinstorms.
Coralreefssupportfishingactivitiesandprotectinlandwaterways.
Coralreefsalsohavebecomepopularstopsfortravelers.
Coralsareevenimportantformedicalresearch.
C.
1F
2T
3T
【原文】
Environmentalexpertsareconcernedabouttheworld'scoralreefs.Arecentstudyfoundthattwenty-sevenpercentofallcoralreefsystemshavebeendestroyed.Expertsbelievehigheroceantemperaturesandactivitiesbypeoplearetoblame.Thestudywarnsthatsixtypercentofthereefsystemscouldbepermanentlylostifnothingisdonetostoptheproblem.
Coralsaregroupsofsmallorganismscalledpolyps.Thesep