根据SOLAS公约规定，对货船构造安全证书的应进行船体外部检查，检查的间隔不应超过（）个月
A．12
B．36
C．30
D．24
参考答案：B
以下是一个比赛评分程序。在窗体上建立一个名为Text1的文本框数组，然后画一个名 为Text2的文本框和名为Command1的命令按钮。运行时在文本框数组中输入7个分数， 单击“计算得分”命令按钮，则最后得分显示在Text2文本框中（去掉一个最高分和一 个最低分后的平均分即为最后得分），如图所示。请填空。
Private Sub Command1_Click()Dim k As IntegerDim sum As Single, max As Single, min As Single sum = Text1(0)max = Text1(0)min = _________For k = _________To 6If max < Text1(k) Then max = Text1(k) End If If min > Text1(k) Then min = Text1(k)End If sum = sum + Text1(k) Next k Text2 = ( _________) / 5End Sub
在Word中，若不小心误删了一段文字，则需按（）键来撤消。
A.Ctrl+V
B.Ctrl+Y
C.Ctrl+F
D.Ctrl+Z
Private Sub Command1_Click()Dim k As IntegerDim sum As Single, max As Single, min As Single sum = Text1(0)max = Text1(0)min = _________For k = _________To 6If max < Text1(k) Then max = Text1(k) End If If min > Text1(k) Then min = Text1(k)End If sum = sum + Text1(k) Next k Text2 = ( _________) / 5End Sub