离心泵能够输送液体,主要是依靠叶轮的轴向力而使液体获得能量来提高压强

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2、错误
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Themajorityofsuccessfulseniormanagersdonotcloselyfollowtheclassicalrationalmodeloffirstclarifyinggoals,assessingtheproblem,formulatingoptions,estimatinglikelihoodsofsuccess,makingadecision,andonlythentakingactiontoimplementthedecision.Rather,intheirday-by-daytacticalmaneuvers,theseseniorexecutivesrelyonwhatisvaguelytermedintuitiontomanageanetworkofinterrelatedproblemsthatrequirethemtodealwithambiguity,inconsistency,novelty,andsurprise;andtointegrateactionintotheprocessofthinking.Generationsofwritersonmanagementhaverecognizedthatsomepracticingmanagersrelyheavilyonintuition.Ingeneral,however,suchwritersdisplayapoorgraspofwhatintuitionis.Someseeitastheoppositeofrationality;othersviewitasanexcuseforcapriciousness.Isenberg'srecentresearchonthecognitiveprocessesofseniormanagersrevealsthatmanagers'intuitionisneitherofthese.Rather,seniormanagersuseintuitioninatleastfivedistinctways.First,theyintuitivelysensewhenaproblemexists.Second,managersrelyonintuitiontoperformwell-learnedbehaviorpatternsrapidly.Thisintuitionisnotarbitraryorirrational,butisbasedonyearsofpainstakingpracticeandhands-onexperiencethatbuildskills.Athirdfunctionofintuitionistosynthesizeisolatedbitsmofdataandpracticeintoanintegratedpicture,ofteninanAha!experience.Fourth,somemanagersuseintuitionasacheckontheresultsofmorerationalanalysis.Mostseniorexecutivesarefamiliarwiththeformaldecisionanalysismodelsandtools,andthosewhousesuchsystematicmethodsforreachingdecisionsareoccasionallyleeryofsolutionssuggestedbythesemethodswhichruncountertotheirsenseofthecorrectcourseofaction.Finally,managerscanuseintuitiontobypassin-depthanalysisandmoverapidlytoengenderaplausiblesolution.Usedinthisway,intuitionisanalmostinstantaneouscognitiveprocessinwhichamanagerrecognizesfamiliarpatterns.Oneoftheimplicationsoftheintuitivestyleofexecutivemanagementisthatthinkingisinseparablefromacting.Sincemanagersoftenknowwhatisrightbeforetheycananalyzeandexplainit,theyfrequentlyactfirstandexplainlater.Analysisisinextricablytiedtoactioninthinking/actingcycles,inwhichmanagersdevelopthoughtsabouttheircompaniesandorganizationsnotbyanalyzingaproblematicsituationandthenacting,butbyactingandanalyzingincloseconcert.Giventhegreatuncertaintyofmanyofthemanagementissuesthattheyface,seniormanagersofteninstigateacourseofactionsimplytolearnmoreaboutanissue.Theythenusetheresultsoftheactiontodevelopamorecompleteunderstandingoftheissue.Oneimplicationofthinking/actingcyclesisthatactionisoftenpartofdefiningtheproblem,notjustofimplementingthesolution.

1.Accordingtothetext,seniormanagersuseintuitioninallofthefollowingwaysEXCEPTto

[A]Speedupofthecreationofasolutiontoaproblem.

[B]Identifyaproblem.

[C]Bringtogetherdisparatefacts.

[D]Stipulatecleargoals.

2.Thetextsuggestswhichofthefollowingaboutthewritersonmanagementmentionedinline1,paragraph2

[A]Theyhavecriticizedmanagersfornotfollowingtheclassicalrationalmodelofdecisionanalysis.

[B]Theyhavenotbasedtheiranalysesonasufficientlylargesampleofactualmanagers.

[C]Theyhavereliedindrawingtheirconclusionsonwhatmanagerssayratherthanonwhatmanagersdo.

[D]Theyhavemisunderstoodhowmanagersuseintuitioninmakingbusinessdecisions.

3.ItcanbeinferredfromthetextthatwhichofthefollowingwouldmostprobablybeonemajordifferenceinbehaviorbetweenManagerX,whousesintuitiontoreachdecisions,andManagerY,whousesonlyformaldecisionanalysis

[A]ManagerXanalyzesfirstandthenacts;ManagerYdoesnot.

[B]ManagerXcheckspossiblesolutionstoaproblembysystematicanalysis;ManagerYdoesnot.

[C]ManagerXtakesactioninordertoarriveatthesolutiontoaproblem;ManagerYdoesnot.

[D]ManagerYdrawsonyearsofhands-onexperienceincreatingasolutiontoaproblem;ManagerXdoesnot.

4.Thetextprovidessupportforwhichofthefollowingstatements

[A]Managerswhorelyonintuitionaremoresuccessfulthanthosewhorelyonformaldecisionanalysis.

[B]Managerscannotjustifytheirintuitivedecisions.

[C]Managers''intuitionworkscontrarytotheirrationalandanalyticalskills.

[D]Intuitionenablesmanagerstoemploytheirpracticalexperiencemoreefficiently.

5.Whichofthefollowingbestdescribestheorganizationofthefirstparagraphofthetext

[A]Anassertionismadeandaspecificsupportingexampleisgiven.

[B]Aconventionalmodelisdismissedandanalternativeintroduced.

[C]Theresultsofrecentresearchareintroducedandsummarized.

[D]Twoopposingpointsofviewarepresentedandevaluated.

Duetothebadweathertheplanewas____fortwohours.

A、delayed
B、canceled
C、postponed
D、dismissed

Nancy:MayIseeyourdrivinglicenseandvehicleregistrationcard,please?

Dick:______.

A、Sorry,Iforgottobringmyhomework
B、SureHereismybusinesscard
C、GoodDidIdoanythingwrong?
D、YesButIdon'tthinkIamagoodstudent

Thetimehascome_____wemakeextensiveuseofnuclearenergy.

A、When
B、while
C、as
D、since

汉译英:茶花(camellia)的自然花期在12月至翌年4月,以红色系为主,另有黄色系和白色系等,花色艳丽。本届花展充分展示了茶花的品种资源和科研水平,是近三年来本市规模最大的一届茶花展。为了使广大植物爱好者有更多与茶花亲密接触的机会,本届茶花展的布展范围延伸至整个园区,为赏花游客带来便利。此次茶花展历时2个月,展期内200多个茶花品种将陆续亮相。

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