VB期中練習(xí)題-答案

（A）IfNotX>0Then(A)-33(對(duì))(B)58(D)2525A．.FrxC．.VbpD．.FormB．.BasA．OptionExplicitB．OptionBaseA．x=SGN(0)C．x=LOG(0)D．a(chǎn)>6AndB．28Mod-15A．6567A$="54321"A．345C．454434455A．2C．6C．UnloadC．SetFocus"asdf"A、設(shè)計(jì)狀態(tài)B、編寫(xiě)代碼狀態(tài)Ａ、.frmＣ、.basＤ、.frxＣ、.basＤ、.frx9、VB集成開(kāi)發(fā)環(huán)境可以（D）Ａ、.frmＤ、.vbgA．Mid(S,5,3)B.Middle(S,5,3)C.Right(S,5,3)D.Left(S,5,3)A、Ltrim()B、Trim()C、Instr()D、Left()A、Ltrim()C、Left()D、Instr()B.TextA.PictureC.DownPictureD.DisabledPicture18.為使計(jì)時(shí)器對(duì)象每隔5秒鐘產(chǎn)生一個(gè)時(shí)鐘事件（Timer事件）其Interval屬性值應(yīng)A.文本框B.標(biāo)簽框C.窗體D.命令按鈕A.TextB.MultiLineC.StyleD.VisibleA、工具箱B、項(xiàng)目（工程）窗口C、代碼窗口C、LeftA．Int(3.4)+Int(-3.8)C．Fix(3.4)+Fix(-2.8)D.Fix(3.4)+Int(-3.8)29.在表達(dá)式y(tǒng)=InputBox(a,b,c)中，a,b,c分別為輸入函數(shù)對(duì)話框的(B)（A）C）Printb+aC.456D.123456Dima,bAsIntegerPrintb+aA.579B.123，，5)(A)A.BBBBB.空A.SelectCasexB.SelectCasexCaseIs＞5,Is＜5D.SelectCasexCase1,3,Is＞5DoUntily＞4PrintxFori=1To20Step2Nexti(A)A.21B.22DoUntilx=-1x=Val(x)PrintaA、ExitForA、ExitsubC、EndFunctionD、ExitFunctionA、ExitsubB、EndsubC、EndFunctionD、ExitFunctionFori=1To10NextiDoWhilex＜50x=(x+2)*(x+3)Text1.Text=Str(n)Text2.Text=Str(x)A.1和0B.2和72ForI=1To4ForJ=0ToIPrintChr(65+I);PrintNextIPrivateSubForm_Click()x=-5:s=-5CaseIs＞0CaseIs＞=0Label1.Caption=xLabel2.Caption=yA.-5和-2B.-5和-4C.-5和-3D.-5和-5A.IfAIfAC.IfA>=BThenT=AFork=nTo1step-1x=k^2PrintxFork=10To19Step3i=i+1Printix=int(Rnd+4)優(yōu)秀B.及格D.a=Array(1,2,3,4)Fori=4To1Step-1s=s+a(i)*jj=j*10NextiPrintsC.ScollA.ListB.ListIndexa=Text1.Text+Text2.TextPrintaK=4A=3456______A．x>yB．x=yA=02/13/25/38/513/8s=0I=0I=I+1A=0s=0s=s+1i=i+1i=i+1s=0i=1s=s+ii=i+1i=i+1式).__DbClick()______Click()______.__Gotfocus()7.在VisualBasic中,字符串常量要用(雙引號(hào))括起來(lái),日期/時(shí)間型常量要用(#)括起(MultiLine)(Text1.SetFocus)..(Stretch)13.窗體,圖片框或圖像框中的圖形通過(guò)對(duì)象的Picture)屬性設(shè)置(14.VB的計(jì)時(shí)器控件用于_計(jì)時(shí)___,時(shí)間間隔以___毫秒____為單位.15.計(jì)時(shí)器事件之間的間隔通過(guò)(Interval)屬性設(shè)置.別通過(guò)把Style屬性設(shè)置為0,1,2來(lái)實(shí)現(xiàn).Variant類型.20.在VB中若要讓某對(duì)對(duì)象獲取焦點(diǎn),則可通過(guò)_SetFocus_方法來(lái)實(shí)現(xiàn).量,表達(dá)式或數(shù)組叫做(實(shí)際參數(shù))____text1.text="歡迎使用VisualBasic6.0"_____________（1）______text1.text=""______PrivateSubCheck1_Click()IfCheck1.Value=1ThenText1.FontBold=true_Text1.FontBold=FalseEndIfPrivateSubCheck2_Click()Text1.FontItalic=TrueText1.FontItalic_=FalseEndIfPrivateSubCheck3_Click()IfCheck3.Value=1ThenText1.FontUnderli