在窗体上画一个文本框和一个计时器控件,名称分别为Text1和Timer1,在属性窗口中把计时器的Interval属性设置为1000,Enabled属性设置为False,程序运行后,如果单击命令按钮,则每隔一秒钟在文本框中显示一次当前的时间。以下是实现上述操作的程序: Private Sub Command1_Click( ) Timer1.( ) End Sub Private Sub Timer1_Timer( ) Text1.Text = Time End Sub 请在( )处入内容
A.
Enabled=True
B.
Enabled=False
C.
Visible=True
D.
Visible=False
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举一反三
【单选题】Why has the US made a 20-million-dollar plan to increase the security force of Palestinian President Mahmoud Abbas?
A.
To force Israel to agree to open the Rafah Crossing between Egypt and the Gaza Strip at planned periods over the next month.
B.
To support Mr. Abbas and his Fatah party in its effort to gain power over the militant group Hamas.
C.
To postpone the meeting with top officials from both sides.
D.
To gain agreement from Israel to lift some restrictions on the Palestinians.