2022年吉林省吉林市公共英语五级(笔试)测试卷(含答案)_第1页
2022年吉林省吉林市公共英语五级(笔试)测试卷(含答案)_第2页
2022年吉林省吉林市公共英语五级(笔试)测试卷(含答案)_第3页
2022年吉林省吉林市公共英语五级(笔试)测试卷(含答案)_第4页
2022年吉林省吉林市公共英语五级(笔试)测试卷(含答案)_第5页
已阅读5页,还剩20页未读 继续免费阅读

下载本文档

版权说明:本文档由用户提供并上传,收益归属内容提供方,若内容存在侵权,请进行举报或认领

文档简介

2022年吉林省吉林市公共英语五级(笔试)测试卷(含答案)学校:________班级:________姓名:________考号:________

一、1.ListeningComprehension(15题)1.听力原文:M:Cigarette?

W:No,thankyou.I'vegivenup,youknow.

M:Oh.

W:It'stendaysago.Haven'thadone.

M:Well.youdon'tmindifIhadone.

W:Well,allright,then…Ohmygoodness!That'saterriblecough.

M:No,no,it'snot.It'sonly…Ionlygetitfirstthinginthemorning.

W:That'sgoingtomakeyouveryunfit,youknow.

M:No,it'sallright.Itgoesinaminute.

W:Whydon'tyoutryandgiveup?

M:Oh,no.Ioughtto,butIcan't.Itrelaxesme,smoking.

W:Really?

M:Itdoes.

W:Well,haveyoueverthoughtofjustcuttingdown?

M:Oh,no,that'sallveywellbut…Iwouldn'tenjoyit.Idependabitonmysmoking.Imustsay.

W:Youshoulddoitgradually.Imean…well,ifyoutried…haveyouthoughtofjustgivinguponeday?

M:Yes,ohwell,yes,thatisquiteagoodidea.

W:Itis.

M:ButIthinkI'dlosecountorsomething.

W:Ohdear!Well,itmightbeallideaifyoustartedeatingsweets.

M:Ohno.Icouldn'tdothat.Icouldn'tpossibly…

W:Why?

M:Well.itmakesyoufat.

W:Well.doyouthinkthatmatters?Don'tyouthinkitisbettertobefatthantobeunhealthy?

M:No,Idon't.I'dratherbefat…Well,I'dratherbethinthanfat,certainly.

W:Ohdear.Well.Hey!I'vegotagoodidea!

M:What'sthat?

W:Whydon'tyougotoahypnotist?Mysisterdid!

M:Oh,look,youdon'tseemtorealizethatIlikesmoking.IfIgaveitup,ifIdidn'tsmokeatall,I'dprobablyendupattackingpeople!

W:Oh,don'tbesosilly!Ofcourseyouwouldn't!

Whendidthewomangiveupsmoking?

A.Tendaysago.

B.Justthismorning.

C.Aweekago.

D.Justyesterday.

2.Accordingtoanotherexplanation,wheredidthisexpressionprobablycomefrom?

A.Australia.B.Japan.C.Netherland.D.England.

3.WangpreferstolivewithanEnglishfamily.

A.RightB.Wrong

4.听力原文:DuringtheChristmasshoppingrushinLondon,theintriguingstorywasreportedofatrampwho,apparentlythroughnofaultofhisown,foundhimselflockedinawell-knownchainstorelateonChristmasEve.Nodoubtthestorewasfilledwithlast-minuteChristmasshoppersandthestaffweredeadbeatingandlongingtogethome.Presumablyallthepropersecuritychecksweremadebeforethestorewaslockedandtheylefttoenjoythethree-dayholidayuntroubledbycustomersdesperatetogetlast-minuteChristmaspresents.

Howeverthatmaybe,ourtrampfoundhimselfaloneinthestoreanddecidedtomakethebestofit.Therewasfood,drink,beddingandcampingequipment,ofwhichhemadegooduse.Theremustalsohavebeentelevisionsetsandradios.Thoughitwasnotreportedifhetookadvantageofthesefacilities,whentheshopre-opened,hewasdiscoveredinbedwithalargenumberofemptybottlesbesidehim.Heseemstohavebeenamanofgoodhumourandphilosophictemperament—asindeedvagrantsverycommonlyare.EveryoneelsewasenjoyingChristmas,sohesawnogoodreasonwhyheshouldnotdothesame.Hesubmitted,cheerfullyenough,tobeingtakenawaybythepolice.PerhapshehadabetterChristmasthanusual.Hewasputintoprisonforsevendays.Thejudgeawardednocompensationtothechainstoreforthefoodanddrinkourtramphadconsumed.Theyhad,inhisopinion,alreadyreceivedvaluablefreepublicityfromthecoveragethestoryreceivedinthenewspapersandontelevision.PerhapsthejudgehadagoodChristmastoo.

Thetrampwaslockedinthestore______

A.forhisownmistakes

B.duetoamisunderstanding

C.byaccident

D.throughanerrorofjudgment

5.WhendidDr.Huberbecomeinterestedinpiano?

6.WhatwerethetwothingsthatinterestedDr.Huber?

7.Sugarincoldsweetdrinksslowstheliquidfromgettingintotheblood-stream.

A.TrueB.Fasle

8.WhyareAmericanstudentsusuallyunderpressureofwork?

A.Becausetheiracademicperformancewillaffecttheirfuturecareerinthefuture.

B.Becausetheyareheavilyinvolvedinstudentaffairs.

C.Becausetheyhavetoobservetheuniversitydiscipline.

D.Becausetheywanttorunforpositionsofauthority.

9.Dr.WilsonsuggeststhatWangshouldextendhisstayattheuniversity.

A.TrueB.Fasle

10.Allchainscanofferstudentsthesametypeofcourseindifferentplaces.

A.RightB.Wrong

11.PartA

Directions:Youwillhearatalk.Asyoulisten,answerQuestions1-10bycirclingTRUEorFALSE.YouwillhearthetalkONLYONCE.Younowhave1minutetoreadQuestions1-10.

听力原文:Whenyoucloseyoureyesandtrytothinkoftheshapeofyourownbody,whatyouimagine(or,rather,whatyoufeel)isquitedifferentfromwhatyouseewhenyouopenyoureyesandlookinthemirror.Theimageyoufeelismuchvaguerthantheoneyousee.Andifyouliestill,itisquitehardtoimagineyourselfashavinganyparticularsizeorshape.

Whenyoumove,whenyoufeeltheweightofyourarmsandlegsandthenaturalresistanceoftheobjectsaroundyou,the"feltimage"ofyourselfstartstobecomeclearer.Itisalmostasifitwerecreatedbyyourownactionsandthesensationstheycause.Theimageyoumakeforyourselfhasratherstrangeproportions:certainpartsfeelmuchlargerthantheylook.Ifyoupokeyourtongueintoaholeinoneofyourteeth,itfeelsenormous;youareoftensurprisedbyhowsmallitlookswhenyouinspectitinthemirror.

Butalthoughthe"feltimage"maynothavetheexactshapeyouseeinthemirror,itismuchmoreimportant.Itistheimagethroughwhichyourecognizeyourphysicalexistenceintheworld.Inspiteofitsstrangeproportions,itisallonepiece,andsinceithasaconsistentrightandleftandtopandbottom,itallowsyoutolocatenewsensationswhentheyoccur.Itallowsyoutofindyournoseinthedark,scratchitchesandpointtoapain.

Ifthefeltimageisdamagedforanyreason—ifitiscutinhalforlost,asitoftenisaftercertainstrokeswhichwipeoutrecognitionofoneentireside—thesetasksbecomealmostimpossible.Whatismore,itbecomeshardtomakesenseofone'sownvisualappearance.Ifonehalfofthefeltimageiswipedoutorinjured,thepatientstopsrecognizingtheaffectedpartofhisbody.Itishardforhimtofindthelocationofsensationonthatside,and,althoughhefeels:thedoctor'stouch,helocatesitasbeingontheundamagedside.

Heloseshisabilitytoaccepttheaffectedsideaspartofhisbodyevenwhenhecanseeit.Ifyouthrowhimapairofglovesandaskhimtoputthemon,hewillonlygloveonehandandleavetheotherbare.Andyethehadtousethelefthandinordertoglovetheright.Thefactthathecanseetheunglovedhanddoesn'tseemtohelphim,andthereisnoreasonwhyitshould.Hecannolongerreconcilewhatheseeswithwhathefeels:theunglovedobjectlyingontheleftmaylooklikeahand,but,sincethereisnofeltimagecorrespondingtoit,whyshouldheclaimtheobjectasthis?

Mirrorimagesisoftendifferentfromthe"feltimages".

A.TrueB.Fasle

12.PartB

Directions:Youwillhear3conversationsortalksandyoumustanswerthequestionsbychoosingA,B,CorD.YouwillheartherecordingONLYONCE.

听力原文:M:Now,I'dliketosaythatIthinkthatthisgovernmentproposingtobuildmorenuclearpowerstationsinthiscountryisreallybeingstupid.Thepointaboutnuclearpoweristhatwehaven'tlearnttodoawaywiththewaste.Wehaven'tlearnttocopewiththewastefromityet.

W:Well,Isometimesthinkthat,youknow,they'vegotanimpossiblejob.ImeanalltheimpressionIgetisthatthereisnoalternative...well,that'stheimpressionIget.

M:No,no,noI...Idon'tagreewiththatatall.Thereareplentyofalternatives.There'sthesun...solarpower...thatisasourcethatisalwaysthere,wealwayshaveit.

W:Idon't...Idon'tquiteseewhatyou'regettingatactually,solarpower,what'sthat?

M:Well,theheatfromthesun,itcanbeusedinsolarpanelsonthetopsofhousesforheating,storinguppowertoheatwaterandtoheatthehouses,youknow,somesolarpanelsareinoperationalreadyandtheyaresavingmoney...

W:That'sagoodpointactually,butisitreallyviable,that,ImeanbecauseI'd...

M:SorryitmustbejAndtheonegreatadvantageisthatIcansee,ifthegovernmentsetupsmallunitstobuildsolarpanelsandtoinstallthem,itwouldbecreatingemploymentwhichwouldimprovetheunemploymentsituationandbringterrificadvantages.

W:IhaveheardthatinEngland,Imean,there'snotenoughsun,isthere?For,Imean,solarpanelshere?

M:Yes,well,that'snotquitetrue.I...thereisquiteabitofsun...youmaynotfeeltheactualheatofitonsomeoccasions.

W:No,youarerightthere!

M:Butthelightpowerfromthesunwill.

Whatdoesthemanthinkofthegovernment'spresentproposalaboutbuildingmorepowerstationsinthecountry?

A.It'sadangerousproposal.

B.It'sastupidproposal.

C.It'sanadvantageousproposal.

D.It'saviableproposal.

13.PartB

Directions:Youwillhear3conversationsortalksandyoumustanswerthequestionsbychoosingA,B,CorD.YouwillheartherecordingONLYONCE.

听力原文:Whenaconsumerfindsthatalliternsheorheboughtisbrokenorinsomeotherwaydoesnotreachthestandardofthemanufacturer'sclaimforit,thefirststepistopresentthewarranty.oranyotherrecordswhichmighthelp,atthestoreofpurchase.Inmostcases,thisactionwillproduceresults.However,ifitdoesnot,therearevariousmeanstheconsumersmayusetogainsatisfaction.

Asimpleandcommonmethodusedbymanyconsumersistocomplaindirectlytothestoremanager.Ingeneral,the“higher,up”theconsumertakeshisorhercomplaint,thefasterheorshecanexpectittobetackled.Insuchacase,itisusuallysettledintheconsumer'sfavor,assumingheorshehasajustclaim.

Consumersshouldcomplaininpersonwheneverpossible,butiftheycannotgettotheplaceofpurchase,itisacceptabletophoneorwritethecomplaintinaletter.

Complainingisusuallymosteffectivewhenitisdonepolitelybutfirmly,andespeciallywhentheconsumercandemonstratewhatiswrongwiththeiterninquestion.Ifthiscannotbedone,theconsumerwillsucceedbestbypresentingspecificinformationastowhatiswrong,ratherthanbymakinggeneralstatements.Forexample,“Theleftspeakerdoesnotworkatallandthesoundcomingoutoftherightoneisunclear”isbetterthan“thisstereodoesnotwork”.

Thestoremanagermayadvisetheconsumertowritetothemanufacturer.Ifso,theconsumershoulddothis,statingthecomplaintaspolitelyandasfirmlyaspossible.Butifapolitecomplaintdoesnotachievethedesiredresult,theconsumercangoastempfurther.Sheorhecanthreatentotakethesellertocourtorreportthesellertoaprivateorpublicorganizationresponsibleforprotectingconsumers'rights.

Whenaconsumerfindsthathispurchasehasafaultinit,whatisthefirstthingheshoulddo?

A.Complainpersonallytothemanager.

B.Threatentotakethemattertocourt.

C.Writeafirmletterofcomplainttothestoreofpurchase.

D.Showsomewrittenproofofthepurchasetothestore.

14.PartB

Directions:Youwillhear3conversationsortalksandyoumustanswerthequestionsbychoosingA,B,CorD.YouwillheartherecordingONLYONCE.

听力原文:M:Ireallydon'tknowwhattodothissummer.Ican'taffordtojustsitaround,andtheredon'tseemtobeanyjobsavailable.

W:Whydon'tyoutryhouse-sitting?LastsummermyfriendSallyhouse-satfortheGammonswhentheywentawayonvacation.Mrs.GammonhiredSallytostayintheirhousebecauseshedidn'twantitleftempty.

M:YoumeantheGammonspaidSallyjusttoliveintheirhouse?

W:Itwasn'teasy.Shehadtomowthelawnandwaterthehouseplants.AndwhenJodihouse-satforMr.Johnson,hehadtotakecareofhispets.

M:House-sittingsoundslikeagoodjob.Iguessit'salittlelikebaby-sitting—exceptyou'retakingcareofahouseinsteadofchildren.

W:Thestudentemploymentofficestillhasafewjobsposted.

M:DoIjusthavetofilloutanapplication?

W:SallyandJodihadtointerviewwiththehomeownersandprovidedthreereferenceseach.

M:Thatseemslikealotoftroubleforasummerjob.

W:Well,thehomeownerswantsomeguaranteesothattheycantrustthehouse-sitter.Youknow,theywanttomakesureyou'renotthetypewho'11throwwildpartiesintheirhouse,ormoveagroupoffriendsinwithyou.

M:House-sitterswhodothatsortofthingprobablyaren'tpaidthen.

W:Usuallythey'repaidanywayjustbecausethehomeownersdon'twanttomakeafuss.Butifthehomeownerreportedit,thenthehouse-sitterwouldn'tbeabletogetanotherjob.Soifthehomeownerreportedit,thenthehouse-sitterwouldn'tbeabletogetanotherjob.Sowhydon'tyouapply?

M:Yeah,IthinkIwill.

Whichjobdocsthewomansuggesttotheman?

A.Baby-sitting.

B.House-cleaning.

C.House-sitting.

D.Mowingthelawn.

15.PartA

Directions:Youwillhearatalk.Asyoulisten,answerQuestions1-10bycirclingTRUEorFALSE.YouwillhearthetalkONLYONCE.Younowhave1minutetoreadQuestions1-10.

听力原文:Thereareseveralplacesintheworldthatarefamousforpeoplewholiveforaverylongtime.Thesesplacesareusuallymountainousareas,farawayfrommodemcities.Doctors,scientistsandpublichealthexpertsoftentraveltotheseregionstosolveamysteriouslonghealthylife;theexpertshopetobringtothemodemworldthesecretsoflongevity.

HunzaishighintheHymalayanMountainsofAsia.There,manypeopleoveronehundredyearsofagearestillinphysicalhealth.Menofninetyarenewfathers.andwomenoffiftystillhavebabies.Whatarethereasonsforthisgoodhealth?ScientistsbelievethatthepeopleofHunzahavethesethreebenefits:first,physicalwork,usuallyinthefieldsorwithanimals;second,ahealthenvironmentwithcleanairandwater:andwhat'smore,asimplediethighinvitaminsandnutritionbutlowinfat,cholesterol,sugarandchemicals.

PeopleintheCaucasusMountaininRussiaarealsofamousfortheirlongevity.Inthisarea,thereareamazingexamplesofverylong-livedpeople.Birthrecordsarenotusuallyavailable.butawomancalledTsurbaprobablyliveduntilage160;amancalledShiraliprobablyliveduntil168.Hiswidowwas120yearsold.Ingeneral,peoplenotonlylivealongtime,buttheyalsolivewell.Theyarealmostneversick,andwhentheydie,theyhavenotonlytheirownteethbutalsoafullheadofhairandgoodeyesight.

Vilcabamba,Ecuador,isanotherareafamousforthelongevityofitshabitants.Thisregion—likeHunzaandtheCaucasus—isalsoinhighmountains.farawayfromcities.InVilcabamba.too.thereisverylittledisease.Onereasonforthegoodhealthofthepeoplemightbetheclean,beautifulenvironment:thetemperatureisabout70Fahrenheitallyearlong;thewindalwayscomesfromthesamedirection;andtheregionisrichinflowers,fruits,vegetablesandwildlife.

Insomeways,thedietsofthehabitantsinthethreeregionsarequitedifferent.Hunzukutseatmainlyrawvegetables,fruit(especiallyapricots),andchapattis—akindofpancake;theyeatmeatonlyafewtimesayear.TheCaucasiandietconsistsmainlyofmilk,cheese,vegetables,fruitandmeat;mostpeopletheredrinkthelocalredwinedaily.InVilcabamba,peopleeatasmallamountofmeateachweek,batthedietconsistslargelyofgrain,corns,beans,potatoesandfruit.

ExpertsfindonesurprisingfactinthemountainsofEcuador.Mostpeoplethere,eventheveryold,consumealotofcoffee,drinkalargeamountofalcohol,andsmokefortytosixtycigarettesdaily.

However,thedietsaresimilarintwogeneralways:first,thefruitsandvegetablesthattheinhabitantsofthethreeareaseatareallnatural;thatis,theycontainnochemicalsandsecond,thepeopleconsumefewercaloriesthanpeopledointheotherpartsoftheworld.AtypicalNorthAmericantakesinallaverageof3,300calorieseveryday;atypicalinhabitantofthesemountainousareasbetween1,700and2,000calories.

Inhabitantsinthethreeregionshavemoreincommoncalories,naturalfood,theirmountainsandtheirdistancefrommodemcities.becausethesepeopleliveincountrysideandaremostlyfarmers,theirlivesarephysicallyhard.Thus,theydonotneedtogotohealthclubsbecausetheygetalotofexerciseintheirdailywork.Inaddition,although,theirlivesarehard,thepeopledonotseemtohavetheworriesofcitypeople.Theirlivesarequiet.Consequently,someexpertsbelievethatphysicalexerciseandfreedomfromworrymightbethetwomostimportantsecretsoflongevity.

Somemodemcitiesareusuallyfamousforpeoplewholiveaverylongtime.

A.RightB.Wrong

二、2.UseofEnglish(10题)16.

【C3】

17.(49)

18.(48)

19.(50)

20.

【C6】

21.

【C14】

22.(42)

23.(45)

24.(40)

25.(39)

三、3.ReadingComprehension(15题)26.

WhatdidtheUNcallonnationstodoaboutCO2andothergreenhousegasesin1992?

A.TosignanewclimatetreatyatRio.

B.TodraftanagreementamongUNnations.

C.ToforcetheUnitedSatestoreduceitsemissions.

D.TolimitthereleaseofCO2andothergases.

27.

Theauthorimpliesinthesecondparagraphthat______.

A.theproposaloftheDepartmentofJusticeisunjustified

B.surveillanceofanysuspectcommunicationisnecessary

C.civillibertiesgroupsshouldnothaveshownsuchgreatconcern

D.exceptionsshouldbemadeininterceptingcommunications

28.(78)

29.PartC

Directions:Answerquestions71-80byreferringtothefollowinggames.

Note:AnswereachquestionbychoosingA,BorCandmarkitonANSWERSHEET1.Somechoicesmayberequiredmorethanonce.

A=HydropowerB=NuclearpowerC=SolarpowerD=WindpowerWhichpower(power's)...

wasdevelopedtoprovideelectricityforsatellitesatthebeginning?71.______

canpromotetourismdevelopment?72.______

maygiveoffdangerousradioactivepollutionintotheair?73.______

mayaffectthedownstreamwaterqualityandhaveanimpactonplantlife?74.______

stationscanincreasetofullpowerveryquickly?75.______

producessmallamountsofwaste?76.______

isagoodmethodofsupplyingenergytoremoteareas?77.______

providesaround20%oftheworld'selectricity?78.______

canbeusedtoheatyourwaterathomeinsteadofsomuchgasorelectricity?79.______

isnotrenewable?80.______

A

Hydropower

Introduction

Wehaveusedrunningwaterasanenergysourceforthousandsofyears,mainlytogrindcorn.

ThefirsthouseintheworldtobelitbyhydroelectricitywasCragsideHouse,inNorthumberland,England,in1878.In1882ontheFoxRiver,intheUSA,hydroelectricityproducedenoughpowertolighttwopapermillsandahouse.

Nowadaystherearemanyhydro-electricpowerstations,providingaround20%oftheworld'selectricity.Thenamecomesfrom"hydro",theGreekwordforwater.

Howitworks

Adamisbuilttotrapwater,usuallyinavalleywherethereisanexistinglake.

Waterisallowedtoflowthroughtunnelsinthedam,toturnturbinesandthusdrivegenerators.

Advantages

Oncethedamisbuilt,theenergyisvirtuallyfree.

Nowasteorpollutionproduced.

Muchmorereliablethanwind,solarorwavepower.

Watercanbestoredabovethedamreadytocopewithpeaksindemand.

Hydro-electricpowerstationscanincreasetofullpowerveryquickly,unlikeotherpowerstations.

Disadvantages

Thedamsareveryexpensivetobuild.

Buildingalargedamwillfloodaverylargeareaupstream,causingproblemsforanimalsthatusedtolivethere.

Findingasuitablesitecanbedifficult—theimpactonresidentsandtheenvironmentmaybeunacceptable.

Waterqualityandquantitydownstreamcanbeaffected,whichcanhaveanimpactonplantlife.

Isitrenewable?

Hydro-electricpowerisrenewable.

TheSunprovidesthewaterbyevaporationfromthesea,andwillkeepondoingso.

B

Nuclearpower

Introduction

NuclearpowerisgeneratedusingUranium,whichisametalminedinvariouspartsoftheworld.

Thefirstlarge-scalenuclearpowerstationopenedatCalderHallinCambria,England,in1956.

Somemilitaryshipsandsubmarineshavenuclearpowerplantsforengines.

Howitworks

Nuclearpowerstationsworkinprettymuchthesamewayasfossilfuel-burningstations,exceptthata"chainreaction"insideanuclearreactormakestheheatinstead.

ThereactorusesUraniumrodsasfuel,andtheheatisgeneratedbynuclearfission.Neutronssmashintothenucleus

30.(74)

31.PartC

Directions:Answerquestions71-80byreferringtothefollowinggames.

Note:AnswereachquestionbychoosingA,BorCandmarkitonANSWERSHEET1.Somechoicesmayberequiredmorethanonce.

Answerquestions71~80byreferringtothefollowinggames.

Note:AnswereachquestionbychoosingA,B,CorD.Somechoicesmayberequiredmorethanonce.

A=HydropowerB=NuclearpowerC=SolarpowerD=Windpower

Whichpower(power's)…

A

Hydropower

Introduction

Wehaveusedrunningwaterasanenergysourceforthousandsofyears,mainlytogrindcom.

ThefirsthouseintheworldtobelitbyhydroelectricitywasCragsideHouse,inNorthumberland,England,in1878.In1882ontheFoxRiver,intheUSA,hydroelectricityproducedenoughpowertolighttwopapermillsandahouse.

Nowadaystherearemanyhydro-electricpowerstations,providingaround20%oftheworld'selectricity.Thenamecomesfrom“hydro”,theGreekwordforwater.

Howitworks

Adamisbuilttotrapwater,usuallyinavalleywherethereisanexistinglake.

Waterisallowedtoflowthroughtunnelsinthedam,toturnturbinesandthusdrivegenerators.

Advantages

Oncethedamisbuilt,theenergyisvirtuallyfree.

Nowasteorpollutionproduced.

Muchmorereliablethanwind,solarorwavepower.

Watercanbestoredabovethedamreadytocopewithpeaksindemand.

Hydro-electricpowerstationscanincreasetofullpowerveryquickly,unlikeotherpowerstations.

Disadvantages

Thedamsareveryexpensivetobuild.

Buildingalargedamwillfloodaverylargeareaupstream,causingproblemsforanimalsthatusedtolivethere.

Findingasuitablesitecanbedifficult--theimpactonresidentsandtheenvironmentmaybeunacceptable.

Waterqualityandquantitydownstreamcanbeaffected,whichcanhaveanimpactonplantlife.

Isitrenewable?

Hydro-electricpowerisrenewable.

TheSunprovidesthewaterbyevaporationfromthesea,andwillkeepondoingso.

B

Nuclearpower

Introduction

NuclearpowerisgeneratedusingUranium,whichisametalminedinvariouspartsoftheworld.

Thefirstlarge-scalenuclearpowerstationopenedatCalderHallinCambria,England,in1956.

Somemilitaryshipsandsubmarineshavenuclearpowerplantsforengines.

Howitworks

Nuclearpowerstationsworkinprettymuchthesamewayasfossilfuel-burningstations,exceptthata“chainreaction”insideanuclearreactormakestheheatinstead.

ThereactorusesUraniumrodsasfuel,andtheheatisgeneratedbynuclearfission.Neutronssmashintothenucleusoftheuraniumatoms,whichsplitroughlyinhalfandreleaseenergyintheform.ofheat.

Carbondioxidegasispumpedthroughthereactortotaketheheataway,andthehotgasthenheatswatertomakesteam.

Advantages

Nuclearpowercostsaboutthesameascoal,soit'snotexpensivetomake.

Doesnotproducesmokeorcarbondioxide,soitdoesnotcontributetothegreenhouseeffect.

Produceshugeamountsofenergyfromsmallamountsoffuel.

Producessmallamountsofwaste.

Disadvantages

Althoughnotmuchwasteisproduced,itisvery,verydangerous.

Itmustbesealedupandburiedformanyyearstoallowtheradioactivitytodieaway.

Nuclearpowerisreliable,butalotofmoneyhastobespentonsafety.

Isitrenewable?

Nuclearenergyfrom

32.TheVillageGreeninNewMilford,Connecticut,isasnapshotofNewEnglandcharm:acarefullymanicuredlawnflandedbyscrupulouslymaintainedcolonialhomes.Babysittersdandlekidsinthewoodengazebo,waitingforcommuterparentstoreturnfromNewYork.OnalazyafternoonlastweekCarolineNicholas,16,hadnothingmorepressingtodothandrinkintheearly-summersunshineanddiscusstherecenteventsintown.“Idon'tthinkalotofolderpeopleknewtherewereunhappykidsinNewMilford,”shesaid,“Icouldseeitcoming.”

Inafive-dayperiodinearlyJuneeightgirlswerebroughttoNewMilfordHospitalafterwhathospitalofficialscallsuicidalgestures.Thegirls,allbetween12and17,triedavarietyofmeasures,includingheavydosesofalcohol.over-the-countermedicinesandcutsorscratchestotheirwrists.Nonewassuccessful,andmostdidn'trequirehospitalization;butatleasttwoattempts,accordingtothehospital,couldhavebeenvital.Theirreasonsseemedasmundaneastheotherhappen-stancesofsuburbanlife.“Iwasjustsickofitall,”onetoldareporter,“Everythinginlife.”Mostalarming,emergency-roomdoctorFrederickLohsetoldalocalreporterthatseveralgirlssaidtheywerepartofasuicidepact.Thehospitallaterbackedawayfromthisremark.Butcominginthewakeofatleastsixteensuicideattemptsoverthepreviousfewmonths.thissuddencluster—alongwiththeinfluxofmedia—hassetthiswell-groomedsuburbof23,000onedge.AtatownmeetinglastWednesdaynight,DrSimonSobo,chiefofpsychiatryatthehospital,toldmorethan200parentsandkids,“We'retalkingaboutacrisisthathasreallygottenoutofhand.”Laterheadded,“TherehavebeenmoresuicideattemptsthisspringthanIhaveseeninthe13yearsIhavebeenhere.”

Sobosaidthatthegirlshetreateddidn'thaveseriousproblemsathomeorschool.“Manyofthesewerepopularkids,”hesaid,“Theygotplentyoflove,butbeneaththereassuringsigns,aswathofteensherearenotmakingit.”Somesaythatdrugs,bothpotand‘realdrugs’,arecommonplace.KidshaveshownupwithLIFESUCKSandLONGLIVEDEATHpennedontheirarms.Afewgirlscasuallydisplayscarsontheirarmswheretheycutthemselves.“You'dbesurprisedhowmanykidstrysuicide,”saidonegirl,17.“Youdon'twanttoputpainonotherpeople;youputitonyourself.”Shesaidsheusedtocutherself“justtoreleasethepain”.

Emily,15,afriendofthreeofthegirlstreatedin,June,saidonewashavingfamilyproblems,onewas“upsetthatday”andthethirdwas“justupsetwitheverythingelsegoingon”.Shesaidtheyweren'treallytryingtokillthemselves—theyjustneededconcern.AsSobonoted,“What'sgoingoninNewMilfordisnotuniquetoNewMilford.”Thesameunderlyingcultureofdespaircouldbefoundinanytown.Butteensuicide,headded,

温馨提示

  • 1. 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。图纸软件为CAD,CAXA,PROE,UG,SolidWorks等.压缩文件请下载最新的WinRAR软件解压。
  • 2. 本站的文档不包含任何第三方提供的附件图纸等,如果需要附件,请联系上传者。文件的所有权益归上传用户所有。
  • 3. 本站RAR压缩包中若带图纸,网页内容里面会有图纸预览,若没有图纸预览就没有图纸。
  • 4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
  • 5. 人人文库网仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对用户上传分享的文档内容本身不做任何修改或编辑,并不能对任何下载内容负责。
  • 6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
  • 7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。

评论

0/150

提交评论