屠宰污水检测，分别在两个溶解氧瓶中注满水样，立即测定其中一瓶的溶解氧(C1)，将另一瓶水样置于20℃温箱中培养5天后，测定其溶解氧(C2)，C1减C2的差值为
A、溶解氧C
暂无解析
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.
Thestoreisinanideal( )todrawtourists.
You’dbettersing.Itdoesn’t______whetheryoucansingwellornot.
I_______thatthere_______aneveningpartyonSaturdayevening.
Doyouknowthenameofthat_____insect?
