在窗体上画一个名称为Command1的命令按钮,然后编写如下事件过程: Private Sub Command1_Click( ) c=1234 c1=Trim(Str(c)) For i=1 T0 4 Print______ Next End Sub 程序运行后,单击命令按钮,要求在窗体上显示如下内容: 1 12 123 1234 则在下划线处应填入的内容为
A. Right(c1,i)
B. Left(c1,i)
C. Mid(c1,i,1)
D. Mid(c1,i,i)
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Section ADirections: This section is to test your ability to give proper responses. There are 5 recorded questions in it. After each question, there is a pause. The questions will be spoken two times. When you hear a question, you should decide on the correct answer from the 4 choices marked A), B), C) and D) given in your test paper. Then you should mark the corresponding letter on the Answer Sheet with a single line through the center.
A. That’ s wonderful.
B. What a pity!
C. With pleasure.
D. You’ re welcome.
Tomorrow a famous professor will be invited (give) ______ us a speech on how to learn English well.
For how many days did Peter work without a printer He has been without a printer for ______.