专四听力50篇答案Word下载.docx
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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
HowmuchlivingspacedoesapersonneedWhathappenswhenhisspaceneedsarenotmetScientistsaredoingexperimentsonratstotrytodeterminetheeffectsofovercrowdedconditionsonman.Recentstudieshaveshownthatthebehaviorofratsisgreatlyaffectedbyspace.Ifratshaveenoughlivingspace,theyeatwell,sleepwellandproducetheiryoungwell.Butiftheirlivingconditionsbecometoocrowded,theirbehaviorandeventheirhealthchangeobviously.Theycannotsleepandeatwell,andsignsoffearandworrybecomeclear.Themorecrowdedtheyare,andmoretheytendtobiteeachotherandevenkilleachother.Thus,forrats,populationsandviolencearedirectlyrelated.IsthisanaturallawforhumansocietyaswellIsenoughspacenotonlysatisfactory,butnecessaryforhumansurvivalTheseareinterestingquestions.
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.
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.
HaveyouevernoticedhowplantsandinsectsrespondtolightPlantsbendtowardlight.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
HowcanyoutellwhichdirectionByday,lookfortheSun.Itisintheeastinthemorningandthewestintheafternoon.Atnight,usetheBigDippertohelpyoufindtheNorthStar.Itwouldbebettertobringacompassbecauseitsneedlealwayspointsnorth.
HowdoyouknowhowfaryouhavegoneYoucouldcounteverystep.Eachstepisabouttwofeet.You’dbetterwearapedometerwhichisatoolthatcountssteps.Ifyouknowwhereyoustarted,whichdirectionyouareheading,andhowfaryouhavegone,youcanuseagoodmaptofigureoutexactlywhereyouare.
Todaythereisanewwayfortravelerstofigureoutwheretheyare.ItistheGPS.Ithas24satellitesthatorbitthe