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下列的试题说法错误的是()

A、蔗糖、果糖和麦芽糖均为双糖
B、酶是一类具有高选择催化性能的蛋白质
C、植物油含不饱和脂肪酸酯,能使Br?/CCl4褪色
D、淀粉和纤维素水解的最终产物均为葡萄糖
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A

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WhichdirectorisgiventheopeningspeechattheAnnualGeneralMeeting?

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TheImportanceofGoodCommunications

Effectivecommunicationisessentialforallorganizations.Itlinkstheactivitiesofthevariouspartsoftheorganizationandensuresthateveryoneisworkingtowardsacommongoal.Itisalsoextremelyimportantformotivatingemployees.Staffneedtoknowhowtheyaregettingon,whattheyaredoingrightandinwhichareastheycouldimprove.Workingalonecanbeextremelydifficultanditismucheasierifsomeonetakesaninterestandprovidessupport.Employeesneedtounderstandwhytheirjobisimportantandhowitcontributestotheoverallsuccessofthefirm.Personalcommunicationshouldalsoincludetargetsetting.Peopleusuallyrespondwelltogoals,providedtheseareagreedbetweenthemanagerandsubordinateandnotimposed.

However,firmsoftenhavecommunicationproblemsthatcanunderminetheirperformance.Inmanycases,theseproblemsoccurbecausemessagesarepassedoninaninappropriateway.Thereare,ofcourse,severalwaysofconveyinginformationtoothersintheorganizationwhichincludespeakingtothemdirectly,e-mailing,telephoningorsendingamemo.Themostappropriatemethoddependsonwhatexactlyitisyouarecommunicating.Forexample,anythingthatisparticularlysensitiveorconfidential,suchasanemployee'sappraisal,shouldbedoneface-to-face.

Oneofthemainproblemsforseniorexecutivesisthattheydonothavethetimeorresourcesneededtocommunicateeffectively.Inlargecompanies,forexample,itisimpossibleforseniormanagerstomeetanddiscussprogresswitheachemployeeindividually.Obviouslythistaskcanbedelegatedbutatthecostofcreatingagapbetweenseniormanagementandstaff.Asaresult,managersareoftenforcedtouseothermethodsofcommunication,likememosornotes,eveniftheyknowthesearenotnecessarilythemostsuitablemeansofpassingonmessages.

Theuseoftechnology,suchase-mail,mobilephonesandnetworksystems,isspeedingupcommunicationimmensely.However,thisdoesnotmeanthatmoreinvestmentintechnologyautomaticallyprovesbeneficial:systemscanbecomeoutdatedoremployeesmaylackappropriatetraining.Therearemanycommunicationstoolsnowavailablebutafirmcannotaffordallofthem.Evenifitcould,itdoesnotactuallyneedthemall.Thepotentialgainsmustbeweighedupagainstthecosts,andfirmsshouldrealizethatmorecommunicationdoesnotnecessarilymeanbettercommunication."

Asthenumberofpeopleinvolvedinanorganizationincrease,theuseofwrittencommunicationrisesevenfaster.Insteadofaquickconversationtosortsomethingoutnumerousmessagescanbepassedbackwardsandforwards.Thiscanleadtoatremendousamountofpaperworkandisoftenlesseffectivethanface-to-facecommunication.Whenyouareactuallytalkingtosomeoneyoucandiscussthingsuntilyouarehappythattheyhaveunderstoodandfeedbackisimmediate.Withwrittenmessages,however,youareneverquitesurehowitwillbereceivedwhatyouthinkyouhavesaidandwhattheotherpersonthinksyouhavesaidcanbeverydifferent.

Theamountofwritteninformationgeneratedinlargeorganizationstodaycanleadtocommunicationoverload.Somuchinformationisgatheredthatitgetsinthewayofmakingdecisions.Takealookattheaveragemanager'sdeskandyouwillseetheproblem--itisoftencoveredwithletters,reportsandmemos.Thisoverloadcanleadtoinefficiencies.Forexample,managersmaynotbeabletofindtheinformationtheywantwhentheyneedit.Communicationisalsobecomingmoredifficultwiththechangesoccurringinemploymentpatterns.Withmorepeopleworkingpart-timeandworkingathome,managingcommunicationisbecomingincreasinglycomplex.

1.InthefirstparagraphthewriterrecommendsthatcommunicationwithstaffshouldincludeA.somefeedbackontheirjobperformance.

B.anexplanationofhowcompanytargetshavebeenset.

C.informationonpromotionprospectswithinthecompany.

D.anindicationofwhichdutiestheycanexpectassistancewith.areastheycouldimprove

2.Accordingtothewriter,thebestwayofachievingeffectivecommunicationistoA.adaptthemessagetosuitaparticularaudience.

B.makethecontentofmessagesbriefanddirect.

C.selectthemostsuitablemeansofconveyingaparticularmessage.

D.ensurethatinformationistargetedattheappropriategroupofpeople.

3.Whatdoesthewritersayaboutthecommunicationoptionsavailabletoseniormanagers?A.Sendingmemostostaffisoneofthemostefficientmethods.

B.Itisimportanttofindthetimetodiscusscertainmatterswithstaff.

C.Theyshouldincreasetherangeofoptionsthattheyuse.

D.Gettingjuniormanagerstotalktostaffcancreatedifferentproblems.

4.Whatadviceisgivenaboutthecommunicationtoolsmadeavailablebytechnology?A.Aimtolimitstaffuseofcertaincommunicationtools.

B.Evaluatethemintermsoftheexpenditureinvolved.

C.Selectthemonthebasisofthefacilitiestheyoffer.

D.Encouragemorestafftoattendtrainingcoursesintheiruse.

5.Accordingtothewriter,aproblemwithwrittencommunicationisthatA.themessagecanbeinterpreteddifferentlytowhatwasintended.

B.itcanbeeasyforpeopletoignorethecontentsofawrittenmessage.

C.mostpeoplearemorecomfortablewithface-to-facecommunication.

D.itispossibleforcorrespondencetogetlostwithinalargeorganization.

6.Accordingtothearticle,whatistheeffectofreceivinglargeamountsofwritteninformation?A.Itiscounter-productive."

B.Itcausesconflictinacompany.

C.Itleadstochangesinworkpatterns.

D.Itmakesthemainpointsmoredifficulttoidentify.

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