江西省九江市公共英语五级(笔试)知识点汇总（含答案）

江西省九江市公共英语五级(笔试)知识点汇总（含答案）学校:________班级:________姓名:________考号:________

一、1.ListeningComprehension(15题)1.PartC

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

Younowhave1minutetoreadQuestions21-30.

听力原文：Lasttimewestartedlookingatthequestionofmanagementandwonderingwhatthetermactuallymeant．Thenwetookabrieflookattheconceptofscientificmanagement．Youremember，wedecideditwasusefulbutnotenoughonitsown．Sotodaywe'regoingtolookatanotheraspect—behavioralmanagement．Youmaynotreallyhavecomeacrossthisword“behavioral”before．thoughI'msureyouarefamiliarwiththeword“behavior”．Behavioralsimplymeanshavingtodowithbehavior．Andthatisourstartingpointfortoday：Wearegoingtostartbyrealizingthattheactivityofanyorganizationishumanactivity，designedtoachievehumangoals．Sowearereallytalkingabouthumanbehavior．

Anybusinessconcerndoestwothings．First，itprovideseithergoodsorservicesthatthecustomerneeds．Thatis．iteithermakesthingsordoesthingsforotherpeopleinexchangeformoney．Second，itprovidespeoplewithwork—andmostofushavetoworkinordertomakealiving．

Work，muchaswemaysometimeswishwedidn'thavetodoit，ornotquitesomuchofit．hasinfacttwoadvantages．First—andIspokeaboutthislasttime—itcangiveussatisfaction．Wecanbeproudofwhatwearedoing—likeacraftsmanmakingsomethingbeautiful，oradoctorofanursehelpingpeoplewhoareillorinpain．ThisiswhatIcalledjobsatisfaction，andwithoutitIamsureworkcanbecomeanawfulburden．Andonamorebasiclevel，workearnsusmoney，whichwecanusetobuythethingsweneedinordertolive．likefoodandsomewheretolive，aswellasalltheluxurieswecouldprobablydowithoutbutstillliketohave．

Behavioralmanagementisbasedonaresearchofhowpeoplebehaveatwork．Itusesthefindingsofpsychologistsandsociologists，andsoon．Thesemakeastudyofindividualsandgroupstoseewhatthingsinfluencethewaytheybehaveindifferentconditions．Theresultscanthenbeusedtodesignthebestconditionsinwhichpeoplewillperform—orbehave—inthewaythatamanagerwantsthemtoinordertomakeabusinessmoreefficientandtoachieveitsgoals．Theyhavecollectedalotofevidenceandformulatedalotoftheoriestohelpthemanager，andthereisnodoubtthatproperlyunderstoodandapplied，thiscanbeveryuseful．

Butstillwereturntothefactthatpeopleareindividuals．alldifferentfromeachother，andall—aswesay—withmindsoftheirown．Sonomatterwhatthemanagerknowsaboutthewaypeoplebehaveingroupsandsoon，hehasreallytotreateveryoneonhisstaffasanindividualinhisownright．Ofcourse，hecanbehelpedinthisbyknowinghowtoencouragepeopletodothings，howtostimulatethemtobehaveinacertainway，andsoon．Amanagercanhimselfbemighthowtodothis，buthoweverunscientificthismaysound，itismorelikelythatagoodmanagerisbornratherthantrained．Hehassomenaturalabilitytorecognizewhatpeoplearelikelytodo，whatabilitiestheyhave，andotherthingslikethat．Realizingthis，andthenapplyingwhathehaslearnedabouthumanbehavior，iswhatmakessomeoneagoodmanager．

Sobehavioralmanagementismanagementbasedonanassessmentofanindividualandtheapplicationofwhatisknownabouthowpeopleingeneraltendtobehave．Likescientificmanagement，itisundoubtedlyuseful，butnot，thecompleteanswer．

Whatdidthespeakertalkaboutlasttime?

2.Whocanbedescribedas"amantohavehisnoseputoutofjoint"?

A.Agayman.

B.Asickman.

C.Amanwhowantstosmellaflower.

D.Amanwhofeelshurtanddepressed.

3.Whatadvantagesdoesworkhave?

4.What'stheCivilRightsMovementfor?

5.Wherecan'tchilipeppergrowaccordingtothetalk?

6.Beforedeliveringthenewinformation,whatshouldthespeakergivehisaudience?

7.WhatwasmarkedoneachboxinsidethetreeinWashington?

8.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'11likedoingphysicsproblems."Physicsisaboutfiguringthingsout—discoveringhowtheywork,justlikeadetective.Alotofpeoplefearphysicsbecausetheyviewitasabigcomplicatedjumbleoffactsthathavetobememorized.Butthat'snottrue.It'sanunderstandingofhownatureworks,howthevariouspartsinteract.Onecanviewartandliteratureastherelationshipsandinteractionsofideas.Inthesameway,physicsstudiestherelationshipsandinteractionsofconcepts.Inotherwords,tomeartandsciencefundamentallyattempttoachievethesameobjective—understandingoftheworldaroundus.Thewholeuniverseseemstofollowsomeverybasicprinciplesasitevolvesinwithtime,someoftheseprinciplesincludingtheConservationofEnergyandtheConservationofAngularMomentum.Theconservationlawsofphysicsarelikenon-interestbearingcheckingaccounts.Inthecaseofenergyconservation,youcanmakeenergydepositsandenergywithdrawals,butalltheenergyisaccountedfor.TherotationofobjectsisgovernedbyalawcalledtheConservationofAngularM

9.WhatkindofgraindidmostEuropeanseat500yearsago?

10.ThechangesintheU.S.A.inthe1960sbeganwiththe______RightMovement.

11.PaulcouldreachalltheswitchesbecausetheyWereoriginallyinstalledattherightheightofhim.

A.RightB.Wrong

12.Do-it-YourselfhasbecomeoneofMr.Miller'shobbies.

A.TrueB.Fasle

13.WhodidthepeopleusuallygiveletterstoaftertheEnglishcolonistsjustarrivedatAmerica?

14.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

15.PartC

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

Younowhave1minutetoreadQuestions21-30.

听力原文：Imagineyouareahighschoolprincipal.Ateacherburstsbreathlesslyin-toyouroffice."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.Pasttypesoftenhavebeenfoundtobeskillfulatassessingtheexactemotionaltenorofaneventan

二、2.UseofEnglish(10题)16.

【C13】

17.(38)

18.(33)

19.

【C7】

20.

【C19】

21.(43)

22.(46)

23.

【C6】

24.

【C8】

25.(37)

三、3.ReadingComprehension(15题)26.(79)

27.Themanbehindthisnotion,JackMaple,isadandywhoaffectsdarkglasses,homburgs(翘边帽)andtwo-toeshoes;yethehasbecomesomethingofalegendinAmerica'spolicedepartments.Forsomeyears,startinginNewYorkandmovingontohigh-crimespotssuchasNewOrleansandPhiladelphia,heandhisbusinesspartner,JohnLiederhavemarketedatwo-tiersystemforcuttingcrime.

First,policedepartmentshavetosortthemselvesout:rootoutcorruption,streamlinetheirbureaucracy,andmakemorecontactwiththepublic.Second,theyhavetoadoptacomputersystemcalledComstatwhichhelpsthemtoanalyzestatisticsofallmajorcrimes.Theseareconstantlykeyedintothecomputer,whichthendisplayswhereandwhentheyhaveoccurredonacolor-codedmap,enablingthepolicetomonitorcrimetrendsastheyhappenandtospothigh-crimeareas.InNewYork,Comstat'sstatisticalmapsareanalyzedeachweekatameetingofthecity'spolicechiefandprecinctcaptains.

MessrsMapleandLinder("specialistsincrime-reductionservices")havenodoubtthattheirsystemisamaincontributortothedropincrime.WhentheyintroduceditinNewOrleansinJanuary1997,violentcrimedroppedby22%inayear;whentheymerelystartedworkinginformallywiththepolicedepartmentinNewark,NewJersey,violentcrimefellby13%.Policedepartmentsarenowlininguptopayasmuchas$50,000amonthforthesetwomentoputthemstraight.

Probablyallthesenewpoliciesandbitsoftechnicalwizardry,addedtogether,havemadeabigdifferencetocrime.Butthereremainanomaliesthatcannotbeexplained,suchasthefactthatcrimeinWashingtonD.C.,hasfallenasfastasanywhere,althoughthepolicedepartmenthasbeencorruptandhopelessand,inlargestretchesofthecity,neitherpolicenorresidentsseemdisposedtofightthecriminalsintheirmidst.

Themoreimportantreasonforthefallincrimerates,manysay,isamuchlesssophisticatedone.Itisafactthatcrimerateshavedroppedastheimprisonmentratesoared.In1997thenationalincarcerationrate,at645per100000peoplewasmorethandoubletheratein1985,andthenumberofinmatesincityandcountyjailsroseby9.4%,almostdoubleitsannualaverageincreasesince1990.Surelysomecriminologistsargue,onesetoffiguresisthecauseoftheother.Itisprecisebecausemorepeoplearebeingsenttoprison,theyclaimthatcrimeratesarefalling.A1993studybytheNationalAcademyofSciencesactuallyconcludedthatthetriplingoftheprisonpopulationbetween1975and1989hadloweredviolentcrimeby10-15%.

Yetcauseandeffectmaynotbesoobviouslylinked.Tobeginwith,thesaleandpossessionofdrugsarenotcountedbytheFBIinitscrimeindex,whichislimitedtoviolentcrimesandcrimesagainstproperty.Yetdrugoffencesaccountformorethanathirdoftherecentincreaseinthenumberofthosejailed;since1980,theincarcerationratefordrugarrestshasincreasedby1000%.Andalthoughaboutthree-quartersofthosegoingtoprisonfordrugoffenceshavecommittedothercrimesaswell,thereisnotyetacrystal-clearconnectionbetweenfillingthejailswithdrug-pushersandadeclineintherateofviolentcrime.Again,thoughnationalfiguresaresuggestive,localonesdiverge:theplaceswherecrimehasdroppedmostsharply(suchasNewYorkCity)arenotalwaystheplaceswhereincarcerationhasrisenfastest.

JackMaplestartedhiscareerin______.

A.PhiladelphiaB.OregonC.NewOrleansD.NewYork

28.(70)

29.

Theword“connoisseurs”(Paragraph1)mostprobablymeans______．

A.representativesinthePre-RaphaeliteMovement

B.peoplewhoareinfavorofFlorentine

C.criticswhoarelikelytomakeassessments

D.conservativesclingingtoclassicalart

30.

Inthe3rdsentenceofthefirstparagraphtheword“pressing”isclosestinmeaningto______.

A.urgentlyimportantB.pushingC.invitingD.charming

31.Themanbehindthisnotion,JackMaple,isadandywhoaffectsdarkglasses,homburgs(翘边帽)andtwo-toeshoes;yethehasbecomesomethingofalegendinAmerica'spolicedepartments.Forsomeyears,startinginNewYorkandmovingontohigh-crimespotssuchasNewOrleansandPhiladelphia,heandhisbusinesspartner,JohnLinderhavemarketedatwo-tiersystemforcuttingcrime.

First,policedepartmentshavetosortthemselvesout:rootoutcorruption,streamlinetheirbureaucracy,andmakemorecontactwiththepublic.Second,theyhavetoadoptacomputersystemcalledComstatwhichhelpsthemtoanalyzestatisticsofallmajorcrimes.Theseareconstantlykeyedintothecomputer,whichthendisplayswhereandwhentheyhaveoccurredonacolor-codedmap,enablingthepolicetomonitorcrimetrendsastheyhappenandtospothigh-crimeareas.InNewYork,Comstat'sstatisticalmapsareanalyzedeachweekatameetingofthecity'spolicechiefandprecinctcaptains.

MessrsMapleandLinder("specialistsincrime-reductionservices")havenodoubtthattheirsystemisamaincontributortothedropincrime.WhentheyintroduceditinNewOrleansinJanuary1997,violentcrimedroppedby22%inayear;whentheymerelystartedworkinginformallywiththepolicedepartmentinNewark,NewJersey,violentcrimefellby13%.Policedepartmentsarenowlininguptopayasmuchas$50,000amonthforthesetwomentoputthemstraight.

Probablyallthesenewpoliciesandbitsoftechnicalwizardry,addedtogether,havemadeabigdifferencetocrime.Butthereremainanomaliesthatcannotbeexplained,suchasthefactthatcrimeinWashingtonD.C.,hasfallenasfastasanywhere,althoughthepolicedepartmenthasbeencorruptandhopelessand,inlargestretchesofthecity,neitherpolicenorresidentsseemdisposedtofightthecriminalsintheirmidst.

Themoreimportantreasonforthefallincrimerates,manysay,isamuchlesssophisticatedone.Itisafactthatcrimerateshavedroppedastheimprisonmentratesoared.In1997thenationalincarcerationrate,at645per100000peoplewasmorethandoubletheratein1985,andthenumberofinmatesincityandcountyjailsroseby9.4%.almostdoubleitsannualaverageincreasesince1990.Surelysomecriminologistsargue,onesetoffiguresisthecauseoftheother.Itisprecisebecausemorepeoplearebeingsenttoprison,theyclaimthatcrimeratesarefalling.A1993studybytheNationalAcademyofSciencesactuallyconcludedthatthetriplingoftheprisonpopulationbetween1975and1989hadloweredviolentcrimeby10-15%.

Yetcauseandeffectmaynotbesoobviouslylinked.Tobeginwith,thesaleandpossessionofdrugsarenotcountedbytheFBIinitscrimeindex,whichislimitedtoviolentcrimesandcrimesagainstproperty.Yetdrugoffencesaccountformorethanathirdoftherecentincreaseinthenumberofthosejailed;since1980,theincarcerationratefordrugarrestshasincreasedby1000%.Andalthoughaboutthree-quartersofthosegoingtoprisonfordrugoffenceshavecommittedothercrimesaswell,thereisnotyetacrystal-clearconnectionbetweenfillingthejailswithdrug-pushersandadeclineintherateofviolentcrime.Again,thoughnationalfiguresaresuggestive,localonesdiverge:theplaceswherecrimehasdroppedmostsharply(suchasNewYorkCity)arenotalwaystheplaceswhereincarcerationhasrisenfastest.

JackMaplestartedhiscareerin______.

A.PhiladelphiaB.OregonC.NewOrleansD.NewYork

32.

Whichofthefollowingistrueaccordingtothetext?

A.Ashanthineedstoreceivegene-therapytreatmentconstantly.

B.Despitethehugefunding,generesearcheshaveshownfewpromises.

C.Therapeuticgenesarecarriedbyharmlessviruses.

D.Gene-dopingisencouragedbyworldagenciestohelpathletesgetbetterscores.

33.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

Introduct