獨特風格的計算機二級VB試題與答案姓名：____________________

一、單項選擇題（每題2分，共10題）

1.在VisualBasic中，以下哪個函數可以用來獲取當前日期？

A.Now()

B.Today()

C.Date()

D.Time()

2.以下哪個屬性可以用來設置窗體的標題欄文本？

A.Caption

B.Title

C.Name

D.Text

3.在VB中，以下哪個控件可以用來顯示文本信息？

A.TextBox

B.Label

C.Button

D.ListBox

4.以下哪個事件會在用戶點擊按鈕時觸發？

A.Load

B.Click

C.DoubleClick

D.KeyPress

5.在VB中，以下哪個語句可以用來清除一個數組中的所有元素？

A.Clear

B.Erase

C.Dim

D.ReDim

6.以下哪個關鍵字可以用來定義一個常量？

A.Const

B.Dim

C.Static

D.Private

7.在VB中，以下哪個方法可以用來讀取文件內容？

A.Read

B.Write

C.Open

D.Close

8.以下哪個屬性可以用來設置文本框中的文本內容？

A.Text

B.Value

C.Caption

D.Name

9.在VB中，以下哪個關鍵字可以用來定義一個過程？

A.Function

B.Sub

C.Get

D.Set

10.以下哪個函數可以用來獲取當前時間？

A.Now()

B.Today()

C.Time()

D.Date()

二、填空題（每題2分，共5題）

1.在VB中，聲明一個整型變量的語法是：____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________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二、多項選擇題（每題3分，共10題）

1.在VB中，以下哪些屬性可以用來控制文本框的顯示方式？

A.Visible

B.Enabled

C.Locked

D.BackColor

2.以下哪些事件會在窗體加載時觸發？

A.Load

B.Unload

C.Initialize

D.Activate

3.在VB中，以下哪些控件可以用來顯示圖形？

A.PictureBox

B.ImageList

C.Listbox

D.Label

4.以下哪些關鍵字可以用來定義一個數組？

A.Dim

B.Static

C.Redim

D.Private

5.在VB中，以下哪些函數可以用來進行數學運算？

A.Abs

B.Sqr

C.Log

D.Exp

6.以下哪些方法可以用來在窗體上繪制圖形？

A.Circle

B.Line

C.Rectangle

D.PSet

7.在VB中，以下哪些關鍵字可以用來定義一個過程？

A.Function

B.Sub

C.Get

D.Set

8.以下哪些屬性可以用來設置控件的字體？

A.Font

B.FontName

C.FontSize

D.FontWeight

9.在VB中，以下哪些函數可以用來處理字符串？

A.Len

B.Left

C.Right

D.Mid

10.以下哪些關鍵字可以用來定義一個模塊？

A.Module

B.Class

C.Interface

D.Structure

三、判斷題（每題2分，共10題）

1.在VB中，變量的作用域只限于聲明它的模塊內部。（）

2.在VB中，所有的數組都必須在使用之前進行初始化。（）

3.在VB中，可以使用Dim語句定義一個靜態數組。（）

4.在VB中，事件過程可以沒有返回值。（）

5.在VB中，所有的窗體都繼承自Form類。（）

6.在VB中，可以通過設置控件的Visible屬性為False來隱藏控件。（）

7.在VB中，可以使用PSet方法在PictureBox控件中繪制點。（）

8.在VB中，可以使用Label控件來顯示圖形。（）

9.在VB中，所有的字符串函數都是不區分大小寫的。（）

10.在VB中，可以通過設置控件的Enable屬性為False來禁用控件。（）

四、簡答題（每題5分，共6題）

1.簡述在VB中如何聲明一個一維數組，并說明如何使用數組的下標訪問數組元素。

2.解釋在VB中什么是事件驅動編程，并舉例說明事件驅動的程序流程。

3.描述在VB中如何創建一個子程序（Sub），并說明子程序與函數（Function）的主要區別。

4.解釋在VB中如何使用循環結構進行重復操作，并舉例說明For循環和Do循環的用法。

5.簡述在VB中如何使用文件操作函數進行文件讀寫操作，包括打開文件、讀取文件內容、寫入文件內容和關閉文件的基本步驟。

6.描述在VB中如何使用數據庫控件（如ADO控件）連接到數據庫，并執行基本的查詢和更新操作。

試卷答案如下

一、單項選擇題

1.A

解析思路：Now()函數返回當前日期和時間，Today()返回當前日期，Date()返回系統日期，Time()返回系統時間。

2.A

解析思路：Caption屬性設置窗體的標題欄文本，Title屬性不適用于窗體，Name屬性設置控件的名稱，Text屬性設置文本框的內容。

3.B

解析思路：TextBox控件用于輸入和顯示文本，Label控件用于顯示文本信息，Button控件用于響應用戶點擊，ListBox控件用于顯示列表。

4.B

解析思路：Click事件在用戶點擊按鈕時觸發，Load事件在窗體加載時觸發，DoubleClick事件在用戶雙擊控件時觸發，KeyPress事件在用戶按下鍵盤按鍵時觸發。

5.B

解析思路：Erase語句清除數組中的所有元素，Clear方法用于清除對象的內容，Dim語句用于聲明變量，ReDim語句用于重新定義數組的大小。

6.A

解析思路：Const關鍵字用于定義常量，Dim關鍵字用