设A为5阶方阵,且r(A)=3,则线性空间W={x|Ax=0}的维数是______________.

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Nutritiousrefreshment

Nora:Howlonghasthisbookshopbeeninbusiness?

Michel:______1982.

A、After
B、In
C、From
D、Since

Investingthousandsofpoundsintherecruitmentandtrainingofeachnewgraduaterecruitmaybejustthebeginning.Choosingthewrongcandidatemayleaveanorganisationpayingforyearstocome.

Fewcompanieswillhaveescapedallofthefollowingfailures:peoplewhopanicatthefirstsightofstress;thosewithlongimpressivequalificationswhoseemincapableoflearning;hypochondriacswhoseabsenteerecordbecomesastonishing;andtheunstablepersonlaterdiscoveredtobeathieforworse.

Lessdramatic,butjustasmuchaproblem,isthepersonwhosimplydoesnotcomeuptoexpectations,whodoesnotquitedeliver;whoneverbecomesahigh-flierorevenasteadyperformer;theemployeewithafinefuturebehindthem.

Thefirstpointtobearinmindattherecruitmentstageisthatpeopledon’tchange.Intelligencelevelsdeclinemodestly,butchangelittleovertheirworkinglife.Thesameistrueofabilities,suchaslearninglanguagesandhandlingnumbers.

Mostpeopleliketothinkthatpersonalitycanchange,particularlythemorenegativefeaturessuchasanxiety,lowesteem,impulsivenessoralackofemotionalwarmth.Butdatacollectedover50yearsgivesaclearmessage:stillstableafteralltheseyears.Extrovertsbecomeslightlylessextroverted;theacutelyshyappearalittlelessso,butthefundamentalsremainmuchthesame.Personalcrisescanaffectthewaywecopewiththings:wemighttakeupordropdrink,drugs,religionorrelaxationtechniques,whichcanbehaveprettydramaticeffects.Skillscanbeimproved,andnewonesintroduced,butatratherdifferentrates.Peoplecanbegroomedforajob.Justaspoliticiansarecarefullyrepackagedthroughdress,hairstyleandspeechspecialists,sopeoplecanbesentontrainingcourses,diplomasorexperimentalweekends.Butthereisacosttoallthiswhichmaybemorethanthepriceofthecourse.Bettertoselectforwhatyouactuallyseeratherthanattempttochangeit.

()1.Thepurposeofthispassageistogivemanagerstheadvicethat.

A.Employersshouldselectcandidatesfortheirpotential.

B.Employersshouldselectcandidatesforwhattheyareratherthanfortheirpotential.

C.Employersshouldselectthenewlygraduatedandsendthemontrainingcourses,diplomasorexperimentalweekends.

D.Employersshouldselectexperiencedcandidatestoavoidspendingthousandsofpoundsintraining.

()2.Accordingtothepassage,whichofthefollowingstatementsistrue?.

A.Absolutely,Peopledon’tchangeduringtheirworkinglives.

B.Generally,peoplechangetoalargeextentduringtheirworkinglives.

C.Fundamentally,peoplestaythesameduringtheirworkinglives.

D.Normally,peopledon’tchangeatallduringtheirworkinglives.

()3.Whatdoesafinefuturebehindthem(line3ofparagraph3)means?.

A.Somepeoplewillcertainlyhaveapromisingfuturethoughtheyarenotverycompetentintheirpresentwork.

B.Somepeopledon’thaveanypotentialfortheirworkthoughtheyareemployed.

C.Somepeoplecanhaveabrightfuturethoughtheycan’tdotheirworkwell.

D.Somepeoplehavepotentialwhentheyareemployed,butneverrealizethatpotential.

()4.Accordingtothepassage,people’sbasicabilitieslikelanguagelearningandnumeracy.

A.changelittleovertheirworkinglife.

B.neverchangeovertheirworkinglife.

C.changefundamentallyovertheirworkinglife.

D.changeprofoundlyovertheirworkinglife.

()5.Theworddeliver(line2ofparagraph3)means.

A.totakegoodstotheplacesorpeopletheyareaddressedto

B.togiveaspeech

C.todowhatyoupromisedtodo

D.tohelpawomantogivebirthtoababy.

Idon’tlikethishat.Pleaseshowme____.

A、another
B、theother
C、others
D、both

Theprimaryschool____(在孩提时代我在那里学习)hadverylittleequipment.

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