2010年vb期中试卷answer

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1、2010年VB期中试卷ANSWERInterimexaminationpaper(A)volume2009--2010semestersecondsemestercoursenamecomputerlanguage(VB)examinationdate:April25,2010Theteacher:theexaminationtime:90minutesMajor:Class:examineenumber:examineename:Note:thepapersuseredpen,onthetick"wrong"X"、andthemethodofevaluationpoints・Ques

2、tionno.OneTwoThreeThetotalscoreCumulativesignatureItemFiftyThirtyTwentyOnehundredScoreCandidatesnote:1,thistestpaperis8pages,pleasecheckwhethertherearemissingpagesinthetestpaper・2,aftertheexamination,candidatesshallnottestpapers,answersheetsanddraftpaperoutoftheexaminationroom・Achoice(2pointsper

3、day,atotalof50points,pleasewriteyouranswersinthetablebelow)ScoreThemarkingOneTwoThreeFourFiveSixSevenEightNineTenCBBAABADCCElevenTwelveThirteenFourteenFifteenSixteenSeventeenEighteenNineteenTwentyCBBBACBDTwenty-oneTwenty-twoTwenty-threeTwenty-fourTwenty-fiveACBBA1,thefollowingstatementiswrong()・

4、A)VisualBasicisaneventdrivenvisualprogrammingtool.B)theVisualBasicapplicationdoesnothaveadistinctstartandendstatemenl.C)allstandardcontrolsintheVisualBasictoolboxhavewidth(Width)andheight(Height)attributes・A)somepropertiesofcontrolsinVisualBasiccanonlybesetatruntime・2,thefollowingstatementisnotc

5、orrect・APA)double-clickthemousecantriggertheDblClickeventThebrandnameB)formorcontroleventscanbesetbytheprogrammerAPC)whenyoumovethemouse,willtriggertheMouseMoveeventThebrandnameD)controlscanbesetbytheprogrammer3,Thefollowingisthenameofthelegalvariable・(A)X-YB)X_YC)2YD)String4,youshouldmodify()pr

6、opertiesifyouwantuserstonotmodifythecontentinthetextboxTextl・(A)LockedB)MultiLineC)PassWordCharD)ScrollBar5,thecommandbuttonCommand1?sCaptionattributeis"X〃・HowcanyoumodifytheCaptionattributewhenyouwanttosettheshortcutkeyofthecommandbuttontoAlt+x?・()A&B)insertedinfrontoftheX&C)insertafterXinserti

7、oninD#)beforeXafterXinsertion#)2,thefollowingfunctiondescriptionisincorrect・A)Asc(〃A〃)returnsthevalueB.ThevalueoftheexpressionLen("lucky52〃)is6(C)ifthevalueofSgn(x)isT,thenxisnegativeD)thefunctiontoremovethespaceontheleftsid