A.It represents remarkable technological development. B.It will do less harm to environment than other planes. C.We will benefit from its fuel efficiency and aviation. D.It will not solve the problem of damaging environment.
【单选题】窗体上有Text1、Text2两个文本框及一个命令按钮Command1,编写下列程序: Dim y As Integer Private Sub Command1_Click() Dim x As Integer x = 2 Text1.Text = Fun2(Funl(x), y) Text2.Text = Fun1(x) End Sub Private Function Fun1(x As I...