在窗体上画一个名称为Text1的文本框和一个名称为Command1的命令按钮，然后编写如下事件过程： Private Sub Command1_Click() Dim array1(10，10)As Integer Dim i，j As Integer For i=1 To 3 For j=2 To 4 array1(i，j)=i +j Next j Next i Text1.Text=array1(2，3)+array1(3，4) End Sub 程序运行后，单击命令按钮，在文本框中显示的值是( )。
A.12
B.13
C.14
D.15

未分类题在窗体上画两个名称为Tcxt1、Text2的文本框和一个名称为Command1的命令按钮，然后编写如 下事件过程： Private Sub Command1 Click() Dim x As Integer，n As Integer x=1 n=0 Do While x＜20 x=x*3 n=n +l Loop Text1.Text=Str(x) Text2.Text=Str(n) End Sub 程序运行后，单击命令按钮，在两个文本框中显示的值分别是( )。A.9和2B.27和3C.195和3D.600和4

未分类题下列程序的执行结果是( )。 a=75 If a＞90 Then i=4 If a＞80 Then i=3 If a＞70 Then i=2 1f a＞60 Then i=1 Print 'i='；iD.i=4

未分类题WASHINGTON—considering the serious warnings lately about Internet viruses(病毒), users may don't use their machines just to keep them safE.In reality, common sense and a few basic tips can keep Internet surfers securE.Anti-virus software is a must, and it should be updated at least once a week to recognize newly viruses. If this is not done, you will meet great troubles.People with broadband Internet connections should have also a firewall. These protect the computer from attacks by hackers(黑客).Then it is time to think about computer habits. Unlike old viruses, which spread only through shared disks, the Internet brings viruses straight to the e-mail box. ff an e-mail with attachment(附件) comes from an unknown sender, or unexpectedly from a known sender, it should not be openeD.On receiving an unexpected attachment from a friend, experts suggest a telephone call to make sure of the mail's source before opening. If you open the mail without any consideration, you will be easily attacked by the hackers.Why should anti-virus software be updated at least once a week?A.Because the newly published anti-virus software is more expensivE.B.Because the previous(先前的) anti-virus software cannot work any longer.C.Because the inventors of viruses have suggested this ideA.D.Because computer viruses are always developing.

未分类题执行命令MyForm=CreateObject('Form')可以建立一个表单，为了让该表单在屏幕上显示，应该执行命令( )。D.MyForm.ShowForm

未分类题最低结算备付金限额计算公式中的“上月证券买人金额'包括( )。D.债券回购初始融出资金金额和到期购回金额