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 ( ) 。
C
暂无解析
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.
Thereis______littleinformationabouthimthatwehave______muchdifficultyfindinghim.
Asthenumberofparticipantshasincreasedfrom60to98,wewonderifwecanuseLectureHall'A'as'B'willbetoosmall.
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.