《现代大学英语听力4》听力原文及题目答案Unit 2.docx

《现代大学英语听力4》听力原文及题目答案Unit 2.docx

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《现代大学英语听力4》听力原文及题目答案Unit2

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.

1）d

2）a

3）b

4）c

B.

1）Occupationalnoise

2）Aircraftnoise

3）Trafficnoise

【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】

1）F

2）F

3）T

4）F

5）T

6）F

7）F

8）T

9）T

【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.

Purposeoftheproject:

TohelpsavetheDeadSeafromshrinking.

Countriestoinitiatetheproject:

IsraelandJordan.

Causeoftheshrinking:

WaterthatusedtoflowfromtheJordanRiverintotheDeadSeahasbeenredirectedforotherusesinthearea.

Specificmeasures:

Apipelineofmorethan300kilometerslongwillbebuilttopumpwaterfromtheRedSeathroughbothcountriesintotheDeadSea.

Durationoftheproject:

Atleastthreeyears.

Costoftheproject:

1,000milliondollars.

Messagesentbythisproject:

Theenvironment,ecologyandnaturearemoreimportantthanbordersorpoliticalconflicts.

C.

1）T

2）T

【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.

1）27percent,higheroceantemperatures，activitiesbypeople，60percent

2）developingcountries，offthecoastofnortheasternAustralia，offthePhilippines，theCaribbeanislands，SouthAmerica

B.

Coralreefssupportmanykindsofsealife.

Coralreefsalsoprotectcoastalcommunitiesinstorms.

Coralreefssupportfishing