理工类职称英语阅读理解题

阅读理解

PreservingNatureforFuture

DemandsforstrongerprotectionforwildlifeinBritainsometimeshidethefactthatsimilarneedsarefeltintherestof

Europe.StudiesbytheCouncilofEurope,ofwhich21countiesaremembers,haveshownthat45percentofreptile（爬行

类的）speciesand24percentofbutterfliesareindangerofdyingout.

EuropeanconcernforwildlifewasoutlinedbyDrPeterBaum,anexpertintheenvironmentandnaturalresources

divisionofthecouncil,whenhespokeataconferencearrangedbytheadministratorsofaBritishnationalpark.Theparkis

oneofthefewareasinEuropetoholdthecounciPsdiplomafornaturereservesofthehighestquality,andDr.PeterBaum

hadcometopresentittotheparkonceagain.Hewasafraidthatpublicopinionwasturningagainstnationalparks,and

thatthosesetupinthe1960sand1970scouldnotbesetuptoday.ButDr.Baumclearlyremainedastrongsupporterof

theviewthatnaturalenvironmentsneededtobeallowedtosurviveinpeaceintheirownright.

“Noareacouldbeexpectedtosurvivebothasatruenaturereserveandasatouristattraction,“hewenton.The

short-sighted（眼光短浅的）viewthatreserveshadtoserveimmediatehumandemandsforoutdoorrecreationshouldbe

replacedbyfullacceptanceoftheirimportanceasplacestopreservenatureforthefuture.

“Weforgetthattheyaretheguaranteeoflifesystems,onwhichanybuilt-upareaultimatelydepends,"Dr.Baumwent

on."Wecouldmanagewithoutmostindustrialproducts,butwecouldnotmanagewithoutnature.However,ournatural

environmentareas,whicharetheoriginalpartsofourcountryside,haveshrunktobecomemere（纯粹的）islandsina

spoiledandhighlypollutedlandmass.,,

<1>、RecentstudiesbythecouncilofEuropehaveindicatedthat.

A、wildlifeneedsmoreprotectiononlyinBritain.

B、allspeciesofwildlifeinEuropeareindangerofdyingout.

C、therearefewerspeciesofreptilesandbutterfliesinEuropethanelsewhere.

D、manyspeciesofreptilesanbutterfliesinEuropeneedprotecting.

<2>、WhydidDr.BaumcometoaBritishnationalpark?

A^BecauseheneededtopresentitwithacounciPsdiploma.

B、Becausehewasconcernedaboutitsmanagement.

C、BecauseitwastheonlynationalparkofitskindinEurope.

D>BecauseitwastheonlyparkwhichhadeverreceivedadiplomafromtheCouncil.

<3>、Thelastsentenceinthesecondparagraphimpliesthat.

A、peopleshouldmakeeveryefforttocreatemereenvironmentareas.

B、peoplewouldgoonprotectingnationalparks.

C、certainareasofcountrysideshouldbeleftintact.

D、peoplewoulddefendtherighttodeveloptheareasaroundnationalparks.

<4>、InDr.Baum'sopinion,theviewthatanaturereserveshouldserveasatouristattractionis.

A、idealistic

B、revolutionary

C^short-sighted

D、traditional

<5>、Whichofthefollowingcanbeinferredfromthelastparagraph?

A、Wehavedevelopedindustryattheexpenseofcountryside.

B、Wehaveforgottenwhatouroriginalcountrysidelookedlike.

C>Peoplelivingonislandsshouldprotectnaturalresourcesfortheirsurvival.

D、Weshoulddestroyallthebuilt-upareas.

2、TheScienceoftheFuture

Untilrecently,theuscienceofthefuture”wassupposedtobeelectronicsandartificialintelligence.Todayitseems

moreandmorelikelythatthenextgreatbreakthroughsintechnologywillbebroughtthroughacombinationofthosetwo

scienceswithorganicchemistryandgeneticengineering.Thiscombinationisthescienceofbiotechnology.

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Organicchemistryenablesustoproducemarveloussynthetic（合成的）materials.However;itisstilldifficultto

manufactureanythingthathasthecapacityofwooltoconserveheatandalsotoabsorbmoisture.Nothingthatwehave

beenabletoproducesofarcomesanywherenearthecombinationofstrength,lightnessandflexibilitythatwefindinthe

bodiesofordinaryinsects.

Nevertheless,scientistsinthelaboratoryhavealreadysucceededin“growing"amaterialthathasmanyofthe

characteristicsofhumanskin.Thenextstepmaywellbe“biotechheartsandeyes”whichcanreplacediseasedorgansin

humanbeings.Thesewillnotberejectedbythebody,asisthecasewithorgansfromhumans.

Theapplicationofbiotechnologytoenergyproductionseemsevenmorepromising.In1996thefamousscience,

fictionwriter,ArthurC.Clarke,manyofwhosepreviouspredictionshavecometrue,saidthatwemaysoonbeableto

developremarkablycheapandrenewablesourcesofenergy.Someofthesepowersourceswillbebiological.Clarkeand

othershavewarnedusrepeatedlythatsoonerorlaterwewillhavetogiveupourdependenceonnon-renewablepower

sources.Coal,oilandgasareindeedconvenient.However,usingthemalsomeanscreatingdangerouslyhighlevelsof

pollution.Itwillbeimpossibletomeetthegrowingdemandforenergywithoutincreasingthatpollutiontocatastrophic

（灾难性的）levelsunlesswedeveloppowersourcesthatarebothcheaperandcleaner.

Itisattemptingtothinkthatbiotechnologyorsomeother"scienceofthefuturecansolveourproblems.Beforewe

surrendertothattemptationweshouldremembernuclearpower.Onlyafewgenerationsagoitseemedtopromise

limitless,cheapandsafeenergy.TodaythosepromiseslieburiedinaconcretegraveinaplacecalledChernobyl,inthe

Ukraine.Biotechnologyisunlikely,however;tobreakitspromisesinquitethesameorsuchadangerousway.

<1>、Accordingtothepassage,thescienceofthefutureislikelytobe.

A、electronics

B、biotechnology

C、geneticengineering

D、nucleartechnology

<2>、Organicchemistryhelpstoproducematerialsthatare.

A^asgoodaswOOl

B、asgoodasaninsect,sbody

C、notasgoodasnaturalmaterials

D>betterthannaturalmaterials

<3>、AccordingtothePassage,itmaysoonbepossible.

A、tomakesomethingasgoodashumanskin

B、toproducedrugswithoutsideeffects

C、totransplanthumanorgans

D、tomakeartificialheartsandeyes

<4>、In1996,ArthurC.Clarkepredictedthat.

A、biologicalpowersourceswouldbeputintousesoon.

B、oil,gasandcoalcouldberepeatedlyusedinthefuture.

C、dependenceonnon-renewablepowersourceswouldbereducedsoon

D、theChernobyldisasterwouldhappenintwoyears.

<5>、Whatdowelearnfromthelastparagraph?

A、Biotechnologycansolveallourfutureenergyproblems.

B、Biologicalpowerischeaperthannuclearpower.

C>Biologicalpowermaynotbeasdangerousasnuclearpower.

D、Biologicalpowerwillkeepallitspromises.

3、CommonProblems,CommonSolutions

Thechancesarethatyoumadeupyourmindaboutsmokingalongtimeago-anddecidedit'snotforyou.

Thechancesareequallygoodthatyouknowalotofsmokers-thereare,afterallabout60millionofthem,workwith

them,andgetalongwiththemverywell.

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Andfinallyit'saprettysafebetthatyou'reopen-mindedandinterestedinallthevariousissuesaboutsmokersand

nonsmokers-oryouwouldn'tbereadingthis.

Andthosethreethingsmakeyouincredibly（难以置信地）importanttoday.

Becausetheymeanthatyoursisthevoice-notthesmoker,sandnottheanti-smoker?s-thatwilldeterminehow

muchofsociety'seffortsshouldgointobuildingwallsthatseparateusandhowmuchintothesearchforsolutionsthat

bringustogether.

Foronetragicresultoftheemphasisonbuildingwallsisthediversion（转移）ofmillionsofdollarsfromscientific

researchonthecausesandcuresofdiseaseswhich,whenallissaidanddone,stillstrikethenonsmokeraswellasthe

smoker.Oneprominent（卓越的）healthorganization,tocite（弓|证）butasingleinstance,nowspends28centsofevery

publiclycontributeddollaron“education”（muchofitinanti-smokingpropagandaandonly2centsonresearch.

Therewillalwaysbesomewhowanttobuildwalls,whowanttoseparatepeoplefrompeople,anduptoapoint,

eventhesemayservesociety.Theanti-smokingwall-buildershave,togivethemtheirdue,helpedtomakeusallmore

keenlyawareofchoice.

Butourguess,andcertainlyourhope,isthatyouareamongthefargreatestnumberwhoknowthatwallsareonly

temporary（暂时的）atbest,andthatoverthelongrun,wecanservesociety,sinterestbetterbyworkingtogetherin

mutualaccommodation.

Whatevervirtuewallsmayhave,theycannevermoveoursocietytowardfundamentalsolutions.Peoplewhowork

togetheroncommonproblems,commonsolutions,can.

<1>、Whatdoestheword“wall”usedinthepassagemean?

A、Anti-smokingpropaganda.

B、Diseasesstrikingnonsmokersaswellassmokers.

C、Rulesandregulationsthatprohibitsmoking.

D、Separationofsmokersfromnonsmokers.

<2>、Inparagraph4,“you"refersto.

A^smokers

B、nonsmokers

C、anti-smokers

D>smokerswhohavequittedsmoking

<3>、Itisevidentthattheauthorisnotinfavorof.

A、buildingawallbetweensmokersandnonsmokers

B、doingscientificresearchattheexpenseofone*shealth

C、bringingsmokersandnonsmokerstogether

D、provingaccommodationforsmokers

<4>、Asissuggested,thecommonsolutiontothecommonproblemis.

A、toseparatepeoplefrompeople

B、toworktogetherinmutualaccommodation

C^tomakeusmorekeenlyawareofchoice

D、toservesociety?sinterestsbetter

<5>、Accordingtothepassage,thewriterlooksupontheanti-smokingwall-builders'actions.

A、optimistically

B、pessimistically

C>unconcernedly

D、skeptically

4、WalkingtoExercisetheBrain

Doyouthinksittingandstudyingallthetimewillimproveyourgrades?Thinkagain.Gettingsomeexercisemayhelp,

too.

Newresearchwitholderpeoplesuggeststhattakingregularwalkshelpsthempayattentionbetterthaniftheydidn't

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exercise.

Previousresearchhadshownthatmicelearn,remember,andpayattentionbetterafterafewweeksofworkingout

onarunningwheel.Micethatexercisehavegreaterbloodflowtothebrainthanthosewhodon't.Theirbraincellsalso

makemoreconnections.

NeuroscientistsfromtheUniversityatUrbana-Champaignwantedtofindoutifthesamethingistrueforpeople.First,

theymeasuredthephysicalfitnessof41adults,ages58to77,aftereachper-sonwalked1mile.Then,participantslooked

atarrowsonacomputerscreenandhadtousecomputerkeystoshowwhichwayoneparticulararrowwaspointing.

Adultswhowerephysicallyfitwerefasteratthearrowtask,andtheiranswerswerejustasac-curateastheirless-fit

peers,theresearchersfound.Thefitterparticipantsalsohadmorebloodflowtoapartoftheirbrainresponsiblefor

payingattentionandmakingdecisions.

Inasecondstudy,15elderlypeoplewhocompleteda6-monthaerobic-trainingcoursewerefasteratattentiontasks

comparedwith14seniorswhojustdidstretchingandtoningexercisesforthesameamountoftime.

So,evengoingforawalkevery2or3daysforjust10to45minutescanhelp.Thatshouldbegoodnewsforyour

grandparents.

Theeffectsofexercisingonthebrainsofyoungerpeoplehaven'tbeenstudiedyet.Still,itcan'thurttotakeoccasional

studybreaksandgoforawalkorrunaroundwithyourfriends.Youmightevendobetterinschool.

Whateveryoudo,though,don'ttrytoreadandwalkatthesametime.Youcouldenduphurtingyourself!

<1>、Walkingregularlyhelpselderlypeople.

A、loseweight

B、becomehappier

C^concentratebetter

D>lookyounger

<2>、Aftertakingexerciseforafewweeks,themicewerefoundtohave.

A、higherbloodpressure

B、fasterheartbeat

C、morebloodflowtothebrain

D、betterappearance

<3>、Thefirststudyon41elderlypeoplefound.

A、theless-fitparticipantsdidarrowtasksfaster

BNthefitterparticipantsdidarrowtasksfaster

C、theless-fitparticipantsgavemoreaccurateanswers

D、thefitterparticipantsgavemoreaccurateanswers

<4>、Itcanbegoodforhealthwhenonetakesawalkevery2or3daysforatleast.

A、3minutes

B、45minutes

C、30minutes

D、10minutes

<5>、Itissuggestedinthelastparagraphthatpeopleshould.

A、runaroundonceaweek

B、notreadandwalkatthesametime

C、goforawalkeveryday

D、nothurttheirfriendswhileexercising

5、Bustravelnowandthen

Nobody,exceptperhapslittlechildren,considersajourneyinabusasexcitingexperience.Althoughthereare

thousandsofcarsontheroads,morepeopletravelbybusthanbycar.Workersrushingtotheirofficesorfactories,

childrenhurryingtoschool,housewivesgoingshopping,usebuses.Forcitieswithoutotherpublictransportservices,ifall

thebusesweretostoprunningforaday,workwouldcometoastandstillinhundredsofofficesandfactoriesandmost

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classroomswouldbedeserted.

Busestodayarelargeandhavecomfortableseats,mostlyfacingthefront.Togetthedrivertostopatabus-stop,a

passengerhasmerelytopushabutton,whichringsabellplacednearthedriver.Thebusscheduleforthecityiswell

planned,andseldomdoesonehavetowaitverylongtocatchabus.Onecangofromalmostanypartofthecityto

anotherbybus.

Ofcourse,therearedrawbacksinbustravel.Oftenthebusesarefilledtocapacity,especiallyduringtherush-hours,

andthenonemayhavetowaitlongerthanusualatabus-stopforabuswithspaceformorepassengers.Ifonegetsintoa

crowdedbus,onemayhavetoremainstandingthroughoutthejourneyholdingontoaleatherstrap.Thiscanbequite

uncomfortableandevenalittledangerous,asonemaybejerkedoffone'sfeetifthebusstopsorstartssuddenly.

Inspiteoftheinconveniences,weshouldbegratefulfortheadvantagesofbustraveltoday.Thesituationwasquite

differentagenerationortwoago.Intheearly1830'sbusesweremuchsmallerthantheyarenow.Theydidnotruntoa

propertimetable（时iXJ表）.Tocatchabusonestoodatabus-stop（manyroadsdidnotevenhavebus-stops）,andtook

one'schance.Busestookinasmanypassengersascouldsqueezein（挤进去）,Passengerssatonbenchesplacedoneither

sideofthebus,facingeachother.

<1>>Inabigcity,carsarelessimportantthanbusesbecause.

A、carscarryfarfewerpeople.

B、cartravelislessexciting.

C、carsaremoreexpensive.

D、carsareinconvenient.

<2>、Inordertogetoffthebus,apassengerhasto.

A、shouttothedriver

B、pushsomebuttons

C、jumpoffthebus

D、ringaspecialbell

<3>、Bustravelnowadays.

ANisworsethanbefore.

B、isnobetterthanbefore.

C、ismoreconvenientthanbefore.

D、isthesameasbefore.

<4>、Whatmayhappenwhenoneisstandinginacrowdedbus?

A、Onemaybeforcedtoleavethebus.

B、Onemaynothavetopaythefare.

C、Onemaybecomesuffocated.

D、OnemayloseoneTsbalance.

<5>、Wecandeducefromthefourthparagraphthatinformertimesbusserviceswere.

A>eventful

B、irregular

C、efficient

D、wellplanned

6、Stormssinkships

Rescuershavefoundthebodiesofover130peoplekilledintwoferrydisastersinBangladesh.Theaccidents

happenedduringastormthathitthecountryonApril21.Hundredsmorearemissingorfeareddead.

ThetwoferriessankindifferentriversnearthecapitalcityofDhakfiasstrongwindsandrainhittheSouthAsian

country.

ThegovernmenthassincebannedallferriesandotherboatsfromtravelingatnightduringtheApril—Maystormy

season.

Oneoftheferries,MVMitali,wascarryingfarmorepeoplethanitwassupposedto.About400passengersfittedinto

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aspacemadeforjust300,policesaid.Thesecondferrycarriedabout100passengers.

Thenumberofdeathsiscertaintorise,saidanofficialinchargeoftherescuework.Noonereallyknowshowmany

peoplewereonboardtheferryorhowmanyofthemsurvived.

FerriesinBangladeshdon'talwayskeeppassengerlists,makingitdifficulttodeterminetheexactnumberofpeople

onboard.

Besidestheferryaccidents,atleast40peoplewerekilledand400injuredbylightningstrikesfallinghousesandtrees

andthesinkingofsmallboats.

StormsarecommonthistimeofyearinBangladesh,asareboatingaccidents.Ferrydisasterstakeawayhundredsof

liveseveryyearinanationof130millionpeople.

Officialsblametheseriveraccidentsonalackofsafetymeasurestoomanypassengersinboatsandnotenough

checksonweatherconditions.

FerriesareacommonmeansoftransportinBangladesh.Itisacountrycoveredbyabout230rivers.Some20,000

ferriesusethenationsWaterwayseveryyear.Andmanyofthemaredangerouslyovercrowded.

Since1977,morethan3.000peoplehavediedinsome260boatingaccidents.

<1>、Howmanypeoplehavebeenfounddeadinthetwoferrydisasters?

A、Over130

B、Atleast40

C、About400

D、Over3,000

<2>、Thetwoferrydisastersoccurred.

A、atnoon

B、inthemorning

C、atnight

D、Intheafternoon

<3>、HowmanypassengerswereMVMitalidesignedtocarry?

A^500

B、100

C、400

D、300

<4>、Officialsattributeboatingaccidentto.

A、strongwinds

B、badweatherconditions

C、theblockagesofwaterways

D、thelackofsafetymeasures

<5>、WhichofthefollowingstatementsisNOTtrueofthetwoferrydisasters?

A>Theywereovercrowded.

B、TheysankonApril21.

C、Theexactnumberofdeathscouldbeeasilydetermined.

D、TheysanksomewherenearDhaka.

7、StressLevelTiedtoEducationLevel

Peoplewithlesseducationsufferfewerstressfuldays,accordingtoareportinthecurrentissueoftheJournalof

HealthandSocialBehavior.However;thestudyalsofoundthatwhenless-educatedpeopledidsufferstressitwasmore

severeandhadalargerimpactontheirhealth.

Fromthisresearchershaveconcludedthattheday-to-dayfactorsthatcausestressarenotrandom.Whereyouarein

societydeterminesthekindsofproblemsthatyouhaveeachday,andhowwellyouwillcopewiththem.

Theresearchteaminterviewedanationalsampleof1,031adultsdailyforeightdaysabouttheirstressleveland

health.Peoplewithoutahighschooldiplomareportedstresson30percentofthestudydays,peoplewithahighschool

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degreereportedstress38percentofthetime,andpeoplewithcollegedegreesreportedstress44percentofthetime.

“Lessadvantagedpeoplearelesshealthyonadailybasisandaremorelikelytohavedownwardturnsintheir

health."leadresearcherDr.JosephGrzywacz,ofWakeForestUniversityBaptistMedicalCenter;saidinaprepared

statement."Thedownwardturnsinhealthwereconnectedwithdailystressors,andtheeffectofdailystressorsontheir

healthismuchmoredevastatingforthelessadvantaged.w

Grzywaczsuggestedfollow-upresearchtodeterminewhyless-educatedpeoplereportfewerdaysofstresswhenitis

knowntheirstressismoreacuteandchronic.

“Ifsomethinghappenseveryday,maybeit'snotseenasastress.Grzywaczsays,“Maybeitisjustlife.”

<1>、Stressleveliscloselyrelatedto.

A、familysize

B、socialstatus

C>bodyweight

D、workexperience

<2>、The1,031adultswereinterviewed.

A^onadailybasisfor8days

B、duringoneofeightdays

C、allbyGrzywacz

D、ingroups

<3>、Whichgroupreportedthebiggestnumberofstressfuldays?

A>Peoplewithoutanyeducation

B、Peoplewithouthighschooldegrees

C、Peoplewithhighschooldegrees

D、Peoplewithcollegedegrees

<4>、Thelessadvantagedpeopleare,thegreater.

A^theimpactofstressontheirhealthis

B、theeffectofeducationontheirhealthis

C、theleveloftheireducationis

D、thedegreeoftheirhealthconcernis

<5>、Less-educatedpeoplereportfewerdaysofstresspossiblybecause.

A、theydon,twanttotellthetruth

B、theydon,twanttofacethetruth

C、stressistoocommonafactorintheirlife

D、theirstressismoreacute

8^HomeHeating

CentralheatingbecamepopularonlyaftertheCivilWar.Typically,coal——burningfurnaces（火炉）fueledtheearly

systems.Naturalgashaddevelopedintotheleadingfuelby1960.Itsacceptanceresultedinpartfromitswideuses.

BecauseitcomesprimarilyfromU.S.andCanadianfields,naturalgasisalsolessvulnerable（脆弱的）thanoilistoWar.Oil

remainsthemostimportantfuelinafewareas,suchasNewEngland.

日ectricheatingdominatesmostareaswithmildwintersandcheapelectricity,includingtheSouthandtheNorthwest.

ItwasmadepopularatleastintheSouthbythelowcostofaddingelectricheatingtonewhousesbuiltwith

air-conditioning.Bottledgas,whichissomewhatmoreexpensivethanutilitygas,isthefuelofchoiceinruralareasnot

servedbyutilitypipelines.Woodistheleadingheatingfuelinjustafewruralcounties.

Homeheating,whichaccountsforlessthan7percentofallenergyconsumedintheU.S.,hashadacommendable

（值得赞扬的）efficiencyrecord:from1978to1997,theamountoffuelconsumedforthispurposedeclined44percent

despitea33percentincreaseinthenumberofhousingunitsandanincreaseinhousesize.TheU.S.DepartmentofEnergy,

however,forecastsmatenergyusedinhomeheatingwillriseby14percentoverthenexttwodecades.Thatriseissmall

consideringanexpected21percentincreaseinthenumberofhousesandthetrendtowardlargerhouses.

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Naturalgasandelectricitywillprobablydominatethehomeheatingmarketforthenexttwodecades.Solar（太阳的）

heatingneverbecamepopularbecauseofcostandlimitedwintersunlightinmostareas;in2000only47.000homesrelied

onit.

<1>、Theword“consumed“inparagraph3couldbebestreplacedby.

A、used

B、burned

C、delivered

D>pumped

<2>、Accordingto-paragraph3,energyconsumedinhomeheatingoverthenexttwodecadeswillincreaseby.

A、33percent

B、31percent

C、21percent

D、14percent

<3>、WhichofthefollowingstatementsisNOTtrue,accordingtothearticle?

A^NaturalgascomespartlyfromCanadianfields.

B、Bottledgasismoreexpensivethanutilitygas.

C、Equipmentforhomeheatinghasbeenconsiderablyimproved.

D、SolarheatingdominatedAmericain2000.

<4>、Naturalgasdidn,tbecometheleadingfueluntil.

A、1978.

B、1960.

C、1997.

D、2000.

<5>、WhatfuelisthedominantfuelinNewEngland?

A^Gas.

B^Electricity.

C、Wood.

D、Oil.

9、CalculatingCrime

Whenyouthinkaboutmath,youprobablydon'tthinkaboutbreakingthelaw,solvingmysteriesorfindingcriminals.

ButamathematicianinMarylanddoes,andhehascomeupwithmathematicaltoolstohelppolicefindcriminals.

Peoplewhosolvecrimeslookforpatternsthatmightreveal（揭示）theidentityofthecriminal.It?slongbeen

believed,forexample,thatcriminalswillbreakthelawclosertowheretheylive,simplybecauseit,seasiertogetaround

intheirownneighborhood.Ifpoliceseeapatternofrobberiesinacertainarea,theymaylookforasuspectwholivesnear

thecrimescenes.So,thefartherawayfromtheareaacrimetakesplace,thelesslikelyitisthatthesamecriminaldidit.

ButMikeO'Leary,amathematicianatTowsonUniversityinMaryland,saysthatthiskindofapproachmaybetoosimple.

Hesaysthatpolicemaygetbettercluestothelocationofanoffender'shomebasebycombiningthesepatternswitha

city,slayoutandhistoricalcrimerecords.

Therecordsofpastcrimescontaingeographicalinformationandcanrevealeasytargets-thatis,thekindofstores

thatmightbelessdifficulttorob.Becausethesestoresarealongroads,thelocationsofpastcrimescontaininformation

aboutwheremajorstreetsandintersectionsC十字路口）are.O*Learyiswritinganewcomputerprogramthatwillquickly

providethiskindofinformationforagivencity.Hisprogramalsoincludesinformationaboutthepeoplewholiveinthecity,

andinformationabouthowacriminal,spatternschangewithage.（It'sbeenshown,forexample,thattheyoungerthe

criminal,theclosertohomethecrime.）

Othercomputerprogrammershaveworkedonsimilarsoftware,butO'Leary'susesmoremath.Themathematician

planstomakehiscomputerprogramavailable,freeofcharge,topolicedepartmentsaroundthecountry.

Theprogramisjustonewaytousemathtofightcrime.O'Learysaysthatcriminology—thestudyofcrimeand

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criminals-containsalotofgoodmathproblems."IfeellikeI'minagoldmineandI'mtheonlyonewhoknowswhat

goldlookslike,"hesays."It'salotoffun.”

<1>、Whichofthefollowingstatementsaboutmathistrue?

A、Itistoodifficultforthepolicetouseinfindingcriminals.

B、Fewpeopleassociateitwithfindingcriminals.

C、Somecriminalsmakeuseofitwhencommittingcrimes.

D、Ithaslongbeenemployedinsolvingcrimes.

<2>、Peopletendtothinkthereisarelationshipbetween.

A、thetimeofacrimeandtheageofthecriminal.

B、thetypeofacrimeandtheidentityofthecriminal.

C、thepatternofacrimeandtheequipmentofthecriminal.

D>thelocationofacrimeandtheresidenceofthecriminal.

<3>、O'LearyincludesallthefollowinginformationinwritinghisprogramEXCEPT.

A、therecordsofpastcrimes.

B、thelocationsofpolicebureaus.

C>thepeoplelivinginthecity.

D、thechangeofacriminal'spatternswithage.

<4>、O'Leary,sprogramisdifferentfromothersimilarsoftwareinthat.

A、itisinexpensive

B、itusesmoremath

C>itismoreuser-friendly

D、itisavailableallovertheworld

<5>、ItcanbeinferredfromthelastparagraphthatO'Leary.

A、willdevelopprogramsforothergovernmentaldepartments

B、isgoingtousemathinlookingforgold

C>thinksit'sinterestingtolearnmath

D、willfurtherusemathinstudyingcrimesandcriminals

10TheChangingMiddleClass

TheUnitedStatesperceivesitselftobeamiddle-classnation.However,middleclassisnotarealdesignation,nor

doesitcarryprivileges.Itismoreofaperception,whichprobablywasastrueasitevercouldberightafterWorldWarII.

Theeconomywasgr