选词填空。 1. There (is, are) a desk in my room. 2. —Where is the trash bin? —It's (under / behind) the door. 3. The books (is, are) on the shelf. 4. There is a mirror (by, under) the air-conditioner. 5. Amy (has, have) a new room.
【单选题】已知a、b、c为某三条线段的长度,判断这三条线段能否构成一个三角形的VB程序代码如下: Private Sub Command1_Click() a = 20 b = 13 c = 5 If a + b > c And b +c > a And c +a > b Then MsgBox“能构成” Else MsgBox“构不成” End Sub 运行程序,单击命令按钮Command1后,结果是 ...