VB編程中常見邏輯錯誤題及答案

VB編程中常見邏輯錯誤題及答案姓名：____________________

一、單項(xiàng)選擇題（每題2分，共10題）

1.在VisualBasic中，以下哪個不是有效的變量名？

A.2Count

B._myVar

C.myVar

D.my-Var

2.以下哪個函數(shù)用于將字符串轉(zhuǎn)換為數(shù)字？

A.Val

B.CInt

C.CDbl

D.All

3.在以下哪個事件中，當(dāng)用戶點(diǎn)擊按鈕時，會觸發(fā)事件處理程序？

A.Load

B.Click

C.Unload

D.GotFocus

4.以下哪個函數(shù)用于獲取當(dāng)前日期和時間？

A.Now

B.Date

C.Time

D.Today

5.在以下哪個函數(shù)中，如果參數(shù)為空，則返回False？

A.IsNumeric

B.IsEmpty

C.IsObject

D.IsArray

6.以下哪個屬性用于設(shè)置或返回文本框中的文本？

A.Text

B.Caption

C.Value

D.CaptionText

7.在以下哪個控件中，可以設(shè)置控件的字體和顏色？

A.Label

B.TextBox

C.Button

D.ListBox

8.以下哪個關(guān)鍵字用于定義一個子程序？

A.Sub

B.Function

C.Private

D.Public

9.在以下哪個關(guān)鍵字中，用于聲明一個常量？

A.Dim

B.Const

C.Let

D.Var

10.在以下哪個關(guān)鍵字中，用于聲明一個數(shù)組？

A.Dim

B.Static

C.Private

D.Public

二、填空題（每題2分，共5題）

1.在VisualBasic中，聲明一個整型變量的語法是：___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________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