专四听力50篇答案.docx

专四听力50篇答案.docx

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专四听力50篇答案

PopularPastimeoftheEnglishPeople

Oneofthebestmeansofunderstandingthepeopleofanynationiswatchingwhatthedowiththeirnon-workingtime.

MostEnglishmen,womenandchildrenlovegrowingthings,especiallyflowers.VisitorstoEnglandinspring,summerorautumnarelikelytoseegardensalltheywayalongtherailwaylines.Thereareflowersattheairportsandflowersinfactorygrounds,aswellasingardensalongtheroads.EachEnglishtownhasatleastoneparkwithbeautifullykeptflowerbeds.Publicbuildingsofeverykindhavebrilliantwindowboxesandsometimesbasketsofflowersarehangingonthem.

ButwhattheEnglishenjoymostisgrowingthingsthemselves.Ifitisimpossibletohaveagarden,thenawindowboxorsomethinggrowinginapotwilldo.Lookingateachother’sgardensisapopularpastimewiththeEnglish.

4.BritishandAmericanPoliceOfficers

Realpolicemen,bothinBritainandthe.,hardlyrecognizeanycommonpointsbetweentheirlivesandwhattheyseonTV—iftheyevergethomeintime.

Somethingsarealmostthesame,ofcourse,butthepolicemendonotthinkmuchofthemmuchofthem.

Thefirstdifferenceisthatapoliceman’sreallifedealswiththelaw.Mostofwhathelearnsisthelaw.Hehastoknowactuallywhatactionsareagainstthelawandwhatfactscanbeusedtoprovethemincourt.Hehastoknownearlyasmuchlawasalawyer,andwhat’smore,hehastoputitintopracticeonhisfeet,inthedarkand,runningdownanarrowstreetaftersomeonehewantstotalkto.

Littleofhistimeisspentintalkingwithbeautifulgirlsorinbravelyfacingcruelcriminals.Hewillspendmostofhisworkinglifearrangingmillionsofwordsonthousandsofformsabouthundredsofsad,ordinarypeoplewhoareguilty---ornotofstupid,unimportantcrimes.

UsefulWordsandExpressions:

1.thinkmuchof重视，尊重

2.incourt在法庭上

3.criminal罪犯，犯罪者

4.guilty犯罪的，有罪的

5.LivingSpace

Howmuchlivingspacedoesapersonneed?

Whathappenswhenhisspaceneedsarenotmet?

Scientistsaredoingexperimentsonratstotrytodeterminetheeffectsofovercrowdedconditionsonman.Recentstudieshaveshownthatthebehaviorofratsisgreatlyaffectedbyspace.Ifratshaveenoughlivingspace,theyeatwell,sleepwellandproducetheiryoungwell.Butiftheirlivingconditionsbecometoocrowded,theirbehaviorandeventheirhealthchangeobviously.Theycannotsleepandeatwell,andsignsoffearandworrybecomeclear.Themorecrowdedtheyare,andmoretheytendtobiteeachotherandevenkilleachother.Thus,forrats,populationsandviolencearedirectlyrelated.Isthisanaturallawforhumansocietyaswell?

Isenoughspacenotonlysatisfactory,butnecessaryforhumansurvival?

Theseareinterestingquestions.

6.TheUnitedNations

In1945,representativesof50nationsmettoplanthisorganization.ItwascalledtheUnitedNations.Afterthewar,manymorenationsjoined.

TherearetwomajorpartsoftheUnitedNations.OneiscalledtheGeneralAssembly.IntheGeneralAssembly,everymembernationisrepresentedandhasanequalvote.

ThesecondpartiscalledtheSecurityCouncil.Ithasrepresentativesofjust15nations.Fivenationsarepermanentmembers:

theUnitedStates,Russia,France,Britain,andChina.The10othermembersareelectedeverytwoyearsbytheGeneralAssembly.

ThemajorjoboftheSecurityCouncilistokeeppeaceintheworld.Ifnecessary,itcansendtroopsfrommembernationstotrytostoplittlewarsbeforetheyturnintobigones.

ItishardtogetthenationsoftheSecurityCounciltoagreeonwhenthisisnecessary.Buttheydidvotetotrytostopwars.

UsefulWordsandExpressions:

1.representative代表

2.GeneralAssembly联合国大会

3.permanent永久的，持久的

4.SecurityCouncil联合国安全理事会

7.Plastic

Weuseplasticwraptoprotectourfoods.Weputourgarbageinplasticbagsorplasticcans.Wesitonplasticchairs,playwithplastictoys,drinkfromplasticcups,andwashourhairwithshampoofromplasticbottles!

Plasticdoesnotgrowinnature.Itismadebymixingcertainthingstogether.Wecallitaproducedormanufacturedmaterial.Plasticwasfirstmadeinthe1860sfromplants,suchaswoodandcotton.Thatplasticwassoftandburnedeasily.

Thefirstmodernplasticsweremadeinthe1930s.Mostclearplasticstartsoutasthick,blackoil.Thatplasticcoatinginsideapanbeginsasnaturalgas.

Overtheyears,hundredsofdifferentplasticshavebeendeveloped.Somearehardandstrong.Somearesoftandbendable.Someareclear.Somearemany-colored.Thereisaplasticforalmosteveryneed.Scientistscontinuetoexperimentwithplastics.Theyhopetofindevenwaystousethem!

10.PrivateCars

Withtheincreaseinthegeneralstandardofliving,someordinaryChinesefamiliesbegintoaffordacar.Yetopinionsofthedevelopmentofaprivatecarvaryfrompersontoperson.

Itgivesamuchgreaterdegreeofcomfortandmobility.Theownerofacarisnolongerforcedtoreplyonpublictransport,andhencenoirritationcausedbywaitingforbusesortaxis.However,othersstronglyobjecttodevelopingprivatecars.Theymaintainthatasmoreandmorecarsareproducedandruninthestreet,alargevolumeofpoisonousgaswillbegivenoff,pollutingtheatmosphereandcausingactualharmtothehealthofpeople.

WhetherprivatecarsshouldbedevelopedinChicagoisadifficultquestiontoanswer,yetthedesireforthecomfortandindependenceaprivatecarcanbringwillnotbeeliminated.

12.AYoungMan’sPromise

Oneday,ayoungmanwaswritingalettertohisgirlfriendwholivedjustafewmilesawayinanearbytown.Hewastellingherhowmuchhelovedherandhowwonderfulhethoughtshewas.Themorehewrotethemorepoetichebecame.Finallyhesaidthatinordertobewithher,hewouldsufferthegreatestdifficulties,hewouldfacethegreatestdangersthatanyonecouldn’timagine.Infact,tospendonlyoneminutewithher,hewouldswimacrossthewidestriver,hewouldenterthedeepestforest,andhewouldfightagainstthefiercestanimalswithhisbarehands.

Hefinishedtheletter,signedhisnameandthensuddenlyrememberedthathehadforgottentomentionsomethingquiteimportant.So,inapostscriptbelowhisname,headded:

“BythewThatIsn’tOurFault

.andMrs.Williamsgotmarriedwhenhewastwenty-three,andshewastwenty.Twenty-fiveyearslater,theyhadabigparty,andaphotographercameandtooksomephotographsofthem.

ThenthephotographergaveMrs.Williamsacardandsaid,“They’llbereadynextWednesday.Youcangetthemfromstudio.”

“No,”Mrs.Williamssaid,“pleasesendthemtous.”

Thephotographsarrivedaweeklater,butMrs.Williamswasnothappywhenshesawthem.Shegotintohercaranddrovetothephotographer’sstudio.Shewentinsideandsaidangrily,“Youtooksomephotographsofmeandmyhusbandlastweek,butI’mnotgoingtopayforthem.”

“Oh,whynot?

”thephotographerasked.

“Becausemyhusbandlookslikeamonkey,”Mrs.Williamssaid.

“Well,”thephotographeranswered,“thatisn’tourfault.Whydidn’tyouthinkofthatbeforeyoumarriedhim?

”

ay,I’llbeovertoseeyouonWednesdaynight,ifitdoesn’train.”

17.LivingThingsReact

Youandallorganismsliveanenvironment.Anenvironmentismadeupofeverythingthatsurroundsanorganism.Itcanincludetheair,thewater,thesoil,andevenotherorganisms.

Anorganismrespondstochangesinitsenvironment.Whenanorganismrespondstoachange,itreactsincertainways.Alllivingthingsrespondinsomeway.

Haveyouevernoticedhowplantsandinsectsrespondtolight?

Plantsbendtowardlight.Insectsflytowardlight.

Livingthingsalsorespondinotherways.Theleavesonsometreesrespondtoachangeinseason.Inautumn,theychangecolorsandthenfalloffthebranchesAnimalsalsorespondtoachangeinseason.Squirrelssavenutsforthewinter.Bearssleepthroughthewinterinacave.

Yourespondtoyourenvironmentinmanyways,too.Youmayshiverifyouarecold.Whatotherwaysdoyourespondtochangesinyourenvironment?

18.FloweringPlants

Whatarethepartsofaflower?

Flowerscanhavemalepartsandfemaleparts.Thefemalepartsmakeeggsthatbecomeseeds.Themalepartsmakepollen.Pollenisapowderymaterialthatisneededbytheeggstomakeseeds.Tomakeseeds,pollenandeggsmustcometogether.Thewind,insects,andbirdsbringpollentoeggs.Manyanimalsloveflowers’brightcolors.Theyalsolikeasugaryliquidinflowers.Thisiscallednectar.Whiletheydrinknectar,pollenrubsoffontheirbodies.Astheymove,someofthispollengetsdeliveredtothefemaleflowerparts.

Overtime,thefemalepartsturnintofruitsthatcontainseeds.Animalsofteneatthefruitsandtheseedspassthroughtheirbodiesaswaste.Theanimalsdonoknowtheyareworkingfortheplantsbyplantingseedsastheytraveltodifferentplaces!

UsefulwordsandExpressions:

1.flowering开花的

2.pollen花粉

3.powdery粉状的

4.sugar含糖的，甜的

5.nectar花蜜，甘露

19.FindingtheDirectionandLocation

Howcanyoutellwhichdirection?

Byday,lookfortheSun.Itisintheeastinthemorningandthewestintheafternoon.Atnight,usetheBigDippertohelpyoufindtheNorthStar.Itwouldbebettertobringacompassbecauseitsneedlealwayspointsnorth.

Howdoyouknowhowfaryouhavegone?

Youcouldcounteverystep.Eachstepisabouttwofeet.You’dbetterwearapedometerwhichisatoolthatcountssteps.Ifyouknowwhereyoustarted,whichdirectionyouareheading,andhowfaryouhavegone,youcanuseagoodmaptofigureoutexactlywhereyouare.

Todaythereisanewwayfortravelerstofigureoutwheretheyare.ItistheGPS.Ithas24satellitesthat