2022-2023年山东省潍坊市公共英语五级(笔试)知识点汇总（含答案）

2022-2023年山东省潍坊市公共英语五级(笔试)知识点汇总（含答案）学校:________班级:________姓名:________考号:________

一、1.ListeningComprehension(15题)1.Howmanypsychologistsarementionedinthetalk?

2.PartC

Directions:Youwillhearatalk.Asyoulisten,answerthequestionsorcompletethenotesinyourtestbookletforQuestions21-30bywritingNOTMORETHANTHREEwordsinthespaceprovidedontheright.YouwillhearthetalkTWICE.

Younowhave1minutetoreadQuestions21-30.

听力原文：Imagineyouareahighschoolprincipal．Ateacherburstsbreathlesslyintoyouroffice．“There'safistfightinthedining-room．”shegasps．Theresponsibilityisyourstostopthefight．Howdoyoumeetit?

(1)Perhapsyou，asayoungster，tookpartinfightsandyourpresent-daytieswithstudentsarewarmandstrong．Youcanstopthefightbecauseyourprestigeishighamongthem．

(2)Youhaveaplanprepared．Otherschoolshavebeendisruptedsoyouhavealreadyplannedawaytostopanyfight．

(3)Youaretotallyconfidentofyourabilityinacrisis．Youarereadytostrideintothelunchroomandtakechargewithoutasinglequalm．Stoppingthefightwillbeeasy．

(4)Youferventlywishthatyoucoulddelegatethejobsinceyouknowthatyou'renotatalentedpeacemaker．Youwishyoucouldreturntothejobofplanningfortheschool'sneedtenyearshence．

Oneofthesefourreactionswouldbethefirstyou'dfeel．butonlyone—nottwoorthreeofthem，saythreepsychologists．Thesepsychologists—Dr.HarrietMann,Dr.HumphreyOsmondandMiriamSiegler—havecomeupwithaschemeforsortingpeopleregardlessoftheireducation，ageorsituation．

Theconceptisbasedonthepremisethatallpeoplehaveabasicwayofseeingtime．Eachofusispredisposedtoseealleventsfromtimevantagepoint．Eitheritremindsyouofthepast(past-oriented)，howtheeventfitsintotoday，yesterday，andtomorrow(timeline)，whatitistoday(present)，orhowitwilldevelop(future)．

Thethreebeganworkingin1968whenDr.MannandMrs.SieglerwereassistantstoDr.Osmond,director，attheBureauofResearch，NewJerseyNeuro-PsychiatricInstituteinPrinceton．Dr.OsmondiscurrentlydevisingwaystomakeempiricalstudiesofthetheoryandDr.MannisinCambridge，Massachusetts，writingabookontheWorldsofTime．Theirtake-offpointwasaninterestinobservationsmadebySwisspsychologistCarlGustavJung，whodescribedinthe1920sthetemperamentaldifferencesoffourpsychologicaltypes．Jungisknownasthefounderofanalyticpsychology．SinceJung'sworkin1921，however，noonehadconceivedofatheoreticalframeworkthatwouldaccountforthefourtypes．Withoutsuchaframework，therewasnopossibilityofsubstantiatingthatpeopleofdifferenttypesexperiencetheworldverydifferently．

Timeandspacearethetouchstonesinthesystem．Eachperson，afterall，useshistimesomehowandexistswithinandactsuponthespacearoundhim．Dr.Mann，andcompanyproposethatcertaintraitsaresharedbypersonsfallingineachofthefourcategories．

Thefirsttype，thepasttype，seestimeasbeingcircular．Forhim，thepastcropsupinthepresentandthenreturnstothepastasamemory．Heenjoyscollectingsouvenirsandkeepingdiaries．HetellsstoriesaboutGreatAuntHattieandalwaysremembersyourbirthday．

Pasttypesarepeggedbythissystemasemotionalpeoplewhoseetheworldinahighlysubjectiveway．Forinstance，SchoolPrincipalI(pasttype)couldidentifywiththefightandknowhowtohandleitbecauseofsomepastexperience-whetheritbesimilarfightsasachildhimselforonespreviouslydealtwithastheschoolprincipal．Inaddition，pasttypesusuallyfollowstrictmoralcodesandoftenarevaluedmoreforwhattheyarethanforwhattheydo．Thisqualityitself-becauseitlendsauthoritarianstrengthtoonewhopossessesit-mightcausethestudentstoquitfighting．Pasttypesoftenhavebeenfoundtobeskillfulatassessingtheexactemotionaltenorofaneventandareadeptatinfluencingothers'emotions，accordingtotheMann

3.HowhigharethemountainsinNorweija?

A.Twothousandfeet.

B.Twelvethousandfeet.

C.Twentythousandfeet.

D.Twenty-twothousandfeet.

4.Whyarestudentsenthusiasticforpositionsinstudentorganizations?

A.Becausetheyhatetheconstantpressureandstrainoftheirstudy.

B.Becausetheywillthenbeabletostaylongerintheuniversity.

C.Becausesuchpositionshelpthemhuntbetterjobs.

D.Becausesuchpositionsareusuallywellpaid.

5.Whyshouldamanagerstudybehavioralmanagement?

6.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

7.PartC

Directions:Youwillhearatalk.Asyoulisten,answerthequestionsorcompletethenotesinyourtestbookletforQuestions21-30bywritingNOTMORETHANTHREEwordsinthespaceprovidedontheright.YouwillhearthetalkTWICE.

Younowhave1minutetoreadQuestions21-30.

听力原文：W：Dr．Huber，whendidyoufirstbecomeinterestedinphysicsandmusic?

M：Ican'trememberatimewhenIwasn'tinterestedinphysics．WhenIwasachild．Iwasverycuriousabouttheworldaroundme．Forexample．Ialwayswonderedwhylightbehavesthewayitdoes．Ifounditmorefuntoplaywithaprismthantoplaywiththekidsintheneighborhood．Iwasn'tverysocial．butIwasreallyintofiguringouthowthingsworked．IgotmyowntelescopewhenIwaseightyearsold．andIlovedtotakeitoutatnightandgostargazing．Iwouldlookattheplanetsandstarsandwonderwhatwasoutthere．WhenIwasten．myfatherboughtmeabookontheuniverse，andIjustateitup．Infact，Istillhavethatbookrighthereinmyoffice．

Itwasthesamewithmusic．I'vealwayshadanaturalearformusic．perfectpitch．Evenasayoungchild，ifIheardasongontheradio，Icouldgorighttothepianoandplayit．WhenIheardasoundliketheringofatelephone，Icouldidentifyitspitchandplaythenoteonthepiano．However．Ididn'tdevelopaseriousinterestinbecomingapianistuntilIwasincollege．Ialsoseemedtodowellinschoolinthevisualartslikepaintinganddrawing．

W：Whatcommonalitydoyouseebetweenmusicandphysics?

M：Thereisacommonmisconceptionthatartandsciencearecompletelyseparatedfromeachother．Ithinkthedistinctionisartificial．Inreality,artandsciencearenotasmutuallyexclusiveasonemightassume．Solvingacomplicatedmathematicalproblem，forexample，canrequirethesamedegreeofcreativethinkingaspaintingalandscapeorwritingapoem．IfeelanindefinabletinglewhenIplaytheSchumannConcertoordancethepasdedeuxfromRomeoandJuliet．Igetthatthesametinglefromtheoreticalphysics．

Thebeautyofartisreadilyapparenttomostpeople．However，inthecaseoftheoreticalphysics，thebeautyisnotnearlyasaccessibletothegeneralpublic，butitiseverybitasexciting．Natureseemstofollowcertainprinciples，verymuchthesameasartdoes．

It'snotuncommonforphysiciststobecomeaccomplishedmusicians．Musictheoryisaverymathematicaldiscipline．Relationshipsamongvariousnotesinclassicalharmonyarebasedonsimplemathematicalrelationships．

W：Youhavesaidthatphysicsisbeautiful．Whatmakesitbeautifultoyou?

M：Tome，it'sincrediblethewaynatureseemstoworksoperfectly．Ithinkitisbeautiful．Ialwaystellmystudentsonthefirstdayofclass．“IfyoulikereadingSherlockHolmesdetectivestories，you'lllikedoingphysicsproblems．”Physicsisaboutfiguringthingsout—discoveringhowtheywork，justlikeadetective．

Alotofpeoplefearphysicsbecausetheyviewitasabigcomplicatedjumbleoffactsthathavetobememorized．Butthat'snottrue．It'sanunderstandingofhownatureworks，howthevariouspartsinteract．Onecanviewartandliteratureastherelationshipsandinteractionsofideas．Inthesameway，physicsstudiestherelationshipsandinteractionsofconcepts．Inotherwords，tomeartandsciencefundamentallyattempttoachievethesameobjective—understandingoftheworldaroundus!

Thewholeuniverseseemstofollowsomeverybasicprinciplesasitevolvesinwithtime，someoftheseprinciplesincludingtheConservationofEnergyandtheConservationofAngularMomentum．Theconservationlawsofphysicsarelikenon-interestbearingcheckingaccounts．Inthecaseofenergyconservation，youcanmakeenergydepositsandenergywithdrawals，butalltheenergyisaccountedfor．

TherotationofobjectsisgovernedbyalawcalledtheConservationofAngularMomentum，whichappliestoeverythingin

8.PartB

Directions:Youwillhear3conversationsortalksandyoumustanswerthequestionsbychoosingA,B,CorD.YouwillheartherecordingONLYONCE.

听力原文：Doyoufindgettingupinthemorningdifficultandpainful?Thismightbecalledlaziness,butDr.Kleimanhasanewexplanation.Hehasprovedthateveryonehasadailyenergycycle.

Duringmehourswhenyoulaborthroughyourworkyoumaysaythatyou're"hot".That'strue.Thetimeofdaywhenyoufeelmostenergeticiswhenyourcycleofbodytemperatureisatitspeak.Forsomepeoplethepeakcomesduringtheforenoon.Forothersitcomesintheafternoonorevening.Noonehasdiscoveredwhythisisso.Thepossibleexplanationisthatoneisathistemperature-and-energypeakintheevening.Muchfamilyquarrelingendswhenhusbandsandwivesrealizewhattheseenergycyclesmean,andwhichcycleeachmemberofthefamilyhas.

Youcan'tchangeyourenergycycle,butyoucanlearntomakeyourlifefititbetter.Habitcanhelp,Dr.Kleimanbelieves.Maybeyou'resleepyintheeveningbutfeelyoumuststayuplateanyway.Counteractyourcycletosomeextentbyhabituallystayinguplaterthanyouwantto.Ifyourenergyislowinthemorningbutyouhaveanimportantjobtodoearlyintheday,risebeforeyourusualhour.Thiswon'tchangeyourcycle,butyou'llgetupandworkbetteratyourlowpoint.

Getofftoaslowstartwhichsavesyourenergy.Getupwithaleisurelyyawnandstretch.Sitontheedgeofthebedaminutebeforeputtingyourfeetonthefloor.Avoidthetroubleforcleanclothesbylayingthemoutthenightbefore.Wheneverpossible,doroutineworkintheafternoonandsavetasksrequiringmoreenergyorconcentrationforyoursharperhours.

Whatshouldonedoifhewantstoworkmoreefficientlyathislowpointinthemorning?

A.Changehisenergycycle.

B.Overcomehislaziness.

C.Getupearlierthanusual.

D.Gotobedearlier.

9.Studentscanenjoyasimplebookingandenrolmentprocedureinsomechains.

A.RightB.Wrong

10.AsimplediethighinvitaminsandsugarbutlowinfatandchemicalsbenefitsthosepeopleinHunza.

A.RightB.Wrong

11.Wangdecidestotakecoursesandpassexams.

A.TrueB.Fasle

12.Whichpowerdoesthemansuggest?

A.Waterpower.

B.Windpower.

C.Solarpower.

D.Electronicalpower.

13.Whatcanthelistenersrelyonwhentheyarelistening?

14.Ifaconsumerwantsaquicksettlementoftheproblem,whomisitbettertocomplainto?

A.Ashopassistant.

B.Thestoremanager.

C.Themanufacturer.

D.Apublicorganization.

15.PartC

Directions:Youwillhearatalk.Asyoulisten,answerthequestionsorcompletethenotesinyourtestbookletforQuestions21-30bywritingNOTMORETHANTHREEwordsinthespaceprovidedontheright.YouwillhearthetalkTWICE.

Younowhave1minutetoreadQuestions21-30.

听力原文：ForthoseofyouwhoareeitheralreadystudyingintheUnitedStatesorplanningtooneday,itmightbeinterestingtoknowsomethingabouttheforeignstudentpopulationintheUnitedStates.Fortheacademicyear1995/96therewasasumofapproximately344,000foreignstudentsstudyingintheUnitedStates.Thisfigureof344000mayseemlikeaverylargenumberuntilyoucompareitwiththetotalpopulationof241,000,000.Theforeignstudentpopulationhasbeengrowingforanumberofyearsandisstillgrowing,buttherateofincreasehasdroppedsharplyduringthe1990s.Duringthe1980s,thepopulationgrewquiterapidly.Forexample,between1985and1990.theaverageyearlyincreasewas12.5%.However,thepictureinthe1990sisquitedifferent.Therateofincreasehasdeclinedquitenoticeably.Infact,therateofincreasebetween1994/95and1995/96wasonly0.5%,orone-halfofonepercent.Althoughtheoverallrateofincreasehasdroppedtoonly0.5%.thenumberofstudentsfromsomepartsoftheworldisincreasingwhilethenumberofstudentsfromotherareasisdecreasing.Forexample,duringthissameperiod,thatisbetweentheacademicyears1994/95and1995/96,therewasadecreaseinthenumberofstudentsfromtheMiddleEast,whilethenumberofstudentsfromSouthandEastAsiaincreased.Thesechangesinthenumberofstudentscomingfromdifferentpartsoftheworldnodoubtreflectedchangingeconomicandpoliticalsituations.I'msureyouareawareofmanyofthesechanges,andperhapswecandiscussthematournextmeeting.Fortodaylet'sconfineourtalktofirst,adiscussionoftheoriginofthesestudents,or,inotherwords,wheretheycamefrom;second,thekindsofstudiestheypursue;and,finally,theacademiclevelstheyarefoundin.Ifwehavealittletimeleft,wemightquicklytalkaboutinwhichgeographicareasmostofthemgotoschool.

Let'sdiscusstheoriginsoftheforeignstudentpopulationintheUnitedStatesfortheacademicyear1995/96.Let'sdiscussitinorderfromthoseareassendingthemoststudentstothoseareassendingthefeweststudents.IfwelookatthefiguresprovidedbytheannualcensusofforeignstudentsintheUnitedStatesfortheyear1995/96,weseethatmostoftheforeignstudentsstudyingintheUnitedStatesduringthisyearwerefromSouthandEastAsia.ThisisaratherlargegeographicalareawhichincludessuchconutriesasChina,Korea,Pakistan,India,Malaysia,andIndonesia.Thetotalnumberofstudentsfromthisarea,SouthandEastAsiawas156,830.Inotherwords,roughly2outofevery5foreignstudentscomefromSouthandEastAsia.Almost24000ofthistotalwerefromChina.Malaysiawasclosebehindwithjustalittleover23000students.ThenextlargestnumberofstudentscamefromtheMiddleEast.ThenumberofstudentsfromtheMiddleEastcametoaboutone-thirdthenumberfromSouthandEastAsia.ThefourthlargestnumbercamefromSouthAmerica.NextcanleEurope,Africa,NorthAmerica,andOceania.Let'srecapitulatewhatwe'vesaid.ThelargestnumberofstudentsstudyingintheUnitedStatesduringtheacademicyear1995/96werefromSouthandEastAsia,followedbytheMiddleEast,SouthAmerica,Europe,Africa,NorthAmerica,andOceania.

Whatfieldsaretheselargenumbersofforeignstudentsstudyingin?Itprobablywon'tsurpriseyouthatthelargestnumberareinthefieldofengineering.Infact,21.7%ofthetotalnumberarestudyingengineering.Businessandmanagementisclosebehind,however,withatotalof18.9%.Thethirdmostpopularfieldwasmathematicsand

二、2.UseofEnglish(10题)16.(47)

17.(40)

18.

【C15】

19.

【C5】

20.(36)

21.(50)

22.(37)

23.

【C14】

24.(48)

25.

【C3】

三、3.ReadingComprehension(15题)26.

Theauthorgaveanexampleinthethirdparagraphinorderto______．

A.emphasizetheneedtoplaceastrongervalueonnationalcooperation

B.explainwhytheAmericanideahasbeenbasedonindividualfreedom

C.illustratethefactthatAmericanswillnotsacrificetheirpersonalinterestforthegoodoftheentirecountry

D.supporttheideathatAmericansneedsthespiritofnationalcooperationtoachieveimportantnationalobjectivesinthe21stcentury

27.(67)

28.(77)

29.

Accordingtothepassage,thesolutionofferedbythetechnicianwas______.

A.effectiveB.economicalC.unpracticalD.unacceptable

30.

ItcanbeinferredfromthepassagethatthedifferencesbetweentheGlobalSupportCentreandthelocalre-pairshoplieinallthefollowingEXCEPT______.

A.efficiencyB.locationC.SetupCDsD.attitude

31.(74)

32.

WhatdidtheUNcallonnationstodoaboutCO2andothergreenhousegasesin1992?

A.TosignanewclimatetreatyatRio.

B.TodraftanagreementamongUNnations.

C.ToforcetheUnitedSatestoreduceitsemissions.

D.TolimitthereleaseofCO2andothergases.

33.(78)

34.(79)

35.PartC

Directions:Answerquestions71-80byreferringtothefollowinggames.

Note:AnswereachquestionbychoosingA,BorCandmarkitonANSWERSHEET1.Somechoicesmayberequiredmorethanonce.

A=TheImperialPalaceB=TheTempleofHeavenC=PotalaPalaceD=JokhangTempleWhichpalaceortemple...

isthespiritualcenterofTibet?71.______

iscircularinthenorthernpartwhilesquareinthesouthernpart?72.______

presentsthelargestandmostcompleteensembleoftraditionalarchitecture?73.______

coversabuildingspaceof90thousandsquaremeters?74.______

istheoldestoneamongthefourinthetext?75.______

canpresentthevisitorthesignificanceofHeavenKitchen?76.______

isacombinationofarchitecturalstylesfromHan,TibetanandNepalese?77.______

wasthereligiousandpoliticalcenterofoldTibet?78.______

isalongwithmanycomparativelysmallbuildingsoneitherside?79.______

presentsanedictsignedwiththeGreatFifth'shandprint?80.______

A

TheImperialPalace

Whatstrikesonefirstinabirds-eyeviewofBeijingproperisavasttractofgoldenroofsflashingbrilliantlyinthesunwithpurplewallsoccasionallyemergingamidthemandastretchofluxurianttreeleavesflankingoneachside.ThatistheformerImperialPalace,popularlyknownastheForbiddenCity,fromwhichtwenty-fouremperorsoftheMingandQingDynastiesruledChinaforsome500years—from1420to1911.TheMingEmperorYongLe,whousurpedthethronefromhisnephewandmadeBeijingthecapital,ordereditsconstruction,onwhichapproximately10,000artistsandamillionworkmentoiledfor14yearsfrom1406to1420.Atpresent,thePalaceisanelaboratemuseumthatpresentsthelargestandmostcompleteensembleoftraditionalarchitecturecomplexandmorethan900,000piecesofcourttreasuresinalldynastiesinChina.

LocatedinthecenterofBeijing,theentirepalacearea,rectangularinshapeand72hectaresinsize,issurroundedbywallstenmetershighandamoat52meterswide.Ateachcornerofthewallstandsawatchtowerwithadouble-eaveroofcoveredwithyellowglazedtiles.

Themainbuildings,thesixgreathalls,onefollowingtheother,aresetfacingsouthalongthecentralnorth-southaxisfromtheMeridianGate,thesouthentrance,toShenwumen,thegreatgatepiercinginthenorthwall.Oneithersideofthepalacearemanycomparativelysmallbuildings.SymmetricallyinthenortheasternsectionliethesixEasternPalacesandinthenorthwesternsectionthesixWesternPalaces.ThePalaceareaisdividedintotwoparts:theOuterCourtandtheInnerPalace.Theformerconsistsofthefirstthreemainhalls,wheretheemperorreceivedhiscourtiersandconductedgrandceremonies,whilethelatterwasthelivingquartersfortheimperialresidence.AttherearoftheInnerPalaceistheImperialGardenwheretheemperorandhisfamilysoughtrecreation.

B

TheTempleofHeaven

TheTempleofHeavenwasinitiallybuiltinYongleYear18oftheMingDynasty(in1420).Situatedinthesouthernpartofthecity,itcoversthetotalareaof273hectares.WiththeadditionsandrebuildingduringtheMing,QingandotherDynasties,thisgrandsetofstructureslookmagnificentandglorious;thedignifiedenvironmentappearssolemnandrespectful.ItistheplaceforbothMingandQingDynasty'sEmperorstoworshipHeavenandprayforgoodharve

36.

WhatdoestheauthorsayabouttheordinarypeopleintheThirdWorldcountries?

A.Theyarebeginningtorealizetheimportanceofenvironmentalprotection.

B.Theybelievethatmanychildrenarenecessaryforprosperity.

C.Theyarereluctanttoacceptadvicefromthegovernment.

D.Theythinkthatearningalivingismoreimportantthannatureconservation.

37.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

38.

AccordingtoJackMaple,tocutcrime______.

A.theheadsofpolicedepartmentshouldmakemorecontactwiththecriminals

B.thegovernmentshouldeducatetheresidentsmore

C.acomputersystemcalledComstatshouldbeadoptedbythepolice

D.thecriminalsshouldbeseverelypunished

39.(72)

40.

Privatecompanieshavelittleinterestinproducingfluvaccinesbecauseof______.

A.complicatedprocess,highcost,lowprofitandhighrisk

B.shortagesoffertilizedchickeneggs

C.difficultyingrowinglivevirus

D.fastchangingoffluvirus

四、阅读理解(5题)41.

第

49

题

enablesplayerstomakeuptheirownstories?__________

42.

第

44

题

Whichofthefollowi