设计行车速度为 200 ~ 250km/h 时,单线隧道轨顶以上净空横断面积不应小于 ( ) 。

A、50m2
B、54m2
C、58m2
D、62m2
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正确答案:

C

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Passage3

Questions11to15arebasedonthefollowingpassage:

“...WearenotabouttoentertheInformationAgebutinsteadareratherwellintoit.”Presentpredictionsarethatby1990,aboutthirtymillionjobsintheUnitedStates,oraboutthirtypercentofthejobmarket,willbecomputer-related.In1980,onlytwenty-onepercentofallUnitedStateshighschoolsownedoneormorecomputersforstudentuse.(79)Inthefallof1985,anewsurveyrevealedthathalfofUnitedStatessecondaryschoolshavefifteenormorecomputersforstudentuse.Andnoweducationalexperts,administrators,andeventhegeneralpublicaredemandingthatallstudentsbecome“computerliterate(慢点…的).”“Bytheyear2000knowledgeofcomputerswillbenecessaryinovereightypercentofalloccupations.Soonthosepeoplenoteducatedincomputerusewillbecomparedtothosewhoareprintilliteratetoday.”

Whatis“computerliteracy”?Thetermitselfseemstoimplysoonextentof“knowing”aboutcomputers,butknowingwhat.Thecurrentopinionseemstobethatthisshouldincludeageneralknowledgeofwhatcomputersare,plusalittleoftheirhistoryandsomethingofhowtheyoperate.

Therefore,itisvitalthateducatorseverywheretakeacarefullooknotonlyatwhatisbeingdone,butalsoatwhatshouldbedoneinthefieldofcomputereducation.Todaymostadultsarecapableofutilisingamotorvehiclewithouttheslightestknowledgeofhowtheinternal-combustionengineworks.Weeffectivelyusealltypesofelectricalequipmentwithoutbeingabletotelltheirhistoriesortoexplainhowtheywork.(80)Businesspeopleforyearshavemadegooduseoftypewritersandaddingmachines,yetfewhaveeverknownhowtorepairthem.Why,then,attempttoteachcomputersbyteachinghoworwhytheywork?

Rather,wefirstmustconcentrateonteachingtheeffectiveuseofthecomputerasthetoolis.

“Knowinghowtouseacomputeriswhat’sgoingtobeimportant,wedon’ttalkabout‘automobileliteracy.‘Wejustgetinourcarsanddrivethem.”

11.In1990,thenumberofjobshavingnothingtodowithcomputersintheUnitedStateswillbereducedto________.

A)79millionB)30millionC)70millionD)100million(C)

12.Theexpression“Printilliterate”(Para.1,Line16)refersto________.

A)onewhohasneverlearntprintingB)onewhoisnotcomputerliterate

C)onewhohasneverlearnttoreadD)onewhoisnotabletouseatypewriter(C)

13.Thefirstparagraphismainlyabout________.

A)recentpredictionsofcomputer-relatedjobsB)thewideuseofcomputersinschools

C)theurgencyofcomputereducationD)publicinterestincomputers(C)

14.Accordingtotheauthor,theeffectivewaytospreadtheuseofcomputersistoteach____.

A)whatcomputersareB)howtousecomputers

C)wherecomputerscanbeusedD)howcomputerswork(B)

15.WhichofthefollowingstatementsisFALSE?

A)Whattoteachaboutcomputersshouldbereconsidered.

B)Thosewhoarenoteducatedincomputerusewillfinditdifficulttogetajob.

C)HumansocietyhasalreadyenteredtheInformationAge.

D)Thosewhowanttousecomputersshouldknowhowcomputersoperate.

Hedidn'tknowwhichroom____.

A、theylived
B、theylivedin
C、didtheylive
D、didtheylivein

Thereis______littleinformationabouthimthatwehave______muchdifficultyfindinghim.

A、so,such
B、such,so
C、so,so
D、such,such

Asthenumberofparticipantshasincreasedfrom60to98,wewonderifwecanuseLectureHall'A'as'B'willbetoosmall.

A、Fewerpeoplewillattendthemeeting
B、LectureHallBhasbeenoccupied
C、ThemeetingwillbeheldinLectureHall

TroublewithTeamwork

MaryOwenexaminestheroleandefficiencyofteams

Recruiterssaythatcandidateswhocangiveexamplesofworktheyhavedoneasmembersofasuccessfulteamareinasstrongapositionasthosewhocanpointtosignificantindividualachievement.Indeed,toomuchofthelattermaysuggestthatthepersonconcernedisnota'teamplayer'-oneofthemoreseriousfailingsinthebookofmanagement.

Theimportanceofbeingateamplayerisasideeffectoftheincreasinginteractionacrossdepartmentsandfunctionaldivides.Insteadofpushingreports,paperworkanddecisionsaroundtheorganisation,'teamsprovideadynamicmeetingplacewhereideascanbesharedandexpertisemorecarefullytargetedatimportantbusinessissues,'saysSteveGardner,inhisbookKeyManagementConcepts.Headds,'Globalisationhasaddedafurtherdimensiontoteamwork.Multinationalteamsnowstudypolicydecisionsinthelightoftheirimpactonthelocalmarket.'

Butisteamworkingbeingoverdone?'Somemanagersareonasmanyassevenoreightdifferentteams',saysDrCathyBandy,apsychologistwhorecentlyranaconferenceonthesubject.'Theytakeupsomuchtimethatmanagerscan'tgetonwithcoretasks.'Formingteamsandhavingmeetingshas,shesays,becomeanendinitself,almostregardlessofpurpose.Thereisalsothedangerofanunhealthydesiretokeeptheteamgoingaftertheworkhasbeendone.'Peoplefeeltheneedtobelong,andteammembershipcanprovideakindofpsychologicalsupport.'

Theideabehindteamworkingisthat,whentherightgroupofpeopleisbroughttogether,a'force'developswhichisgreaterthanthesumoftheirindividualtalents.Thisisoftentrueinsport,wheregoodplayerscanreachunexpectedheightsasmembersofaninternationalteam.However,fewbusinesssituationshaveasclearasetofobjectives,orasclearcriteriaofsuccessorfailure,aswinningamatch.

'Inbusiness,everyoneneedstobeclearaboutwhatthechallengeisandwhetherateamistherightwayofapproachingit',saysSteveGardner.'Unfortunately,peoplefocusinsteadonwhothemembersoftheteamshouldbeandwhatrolestheyaretoplay'DrBandyagrees.'Thereisalwaysadangerthatteamscanturnintocommittees,'shesays.'Inalotofsituations,oneortwoindividualswouldbemuchmoreeffective.'

Sowhatmakesasuccessfulteam?Therearesomegeneralqualitiesthathavebeenidentified.SteveGardnerrecommendsthatineveryteamthereshouldbesomeonewhoisgoodatresearchingideasandanotherwhoisgoodatshootingdownimpracticalones.Thereshouldbethosewhocanresolvethetensionsthatnaturallyoccurinateamandotherswhoarefocusedongettingthejobdone.Also,providingaclearandachievabletargetattheoutsetisthebestwayofensuringthattheteamwillmoveontogreaterthings.

13、Whatpointdoesthewritermakeaboutteamworkingatthebeginningofthearticle?

AItisthemostsuccessfulformofmanagement.

BIthaschangedtherecruitmentprocedureincompanies.

CWell-runteamsstillallowindividualstodemonstratetheirtalents.

DBeingateamplayerisnowconsideredanessentialmanagementskill.

14、Accordingtothearticle,teamworkdevelopedwithincompaniesasaresponseto

Amodernofficedesign.

Bchangingworkpractices.

Careductioninadministrativetasks.

Dtheexpansionofinternationalbusiness.

15、Inthethirdparagraph,DrBandysuggeststhat

Amanyemployeesdonotenjoyworkinginteams.

Bsomemanagersarenotveryeffectiveteamleaders.

Csometeamsarecreatedunnecessarily.

Dfewteamsarewellorganised.

16、Accordingtothewriter,teamworkismoreeffectiveinthefieldofsportbecausetheplayers

Aknowwhattheywanttoachieve.

Baremorecompetitivebynature.

Chavemoreindividualtalent.

Dcanbedrivenbynationalpride.

17、SteveGardnerandDrBandyagreethatwhenabusinessteamiscreatedpeopledonotpayenoughattentionto

Athestructureoftheteam.

Balternativestotheteam.

Cselectingtheteammembers.

Ddirectingtheteam'sactivities.

18、WhatisSteveGardner'sadviceonoperatingasuccessfulteam?

AMaintainaflexibleapproachtomembership.

BAllowpersonalitiestodevelopwithintheteam.

CSelectpeoplewhofitnaturallyintocertainroles.

DMakeeveryefforttoavoidconflictbetweenmembers.

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