测量变换器是加油机液压系统的动力源。
参考答案：错
解析：油泵和电动机组成了加油机液压系统的动力源。
You'd better take something to read when you go to see the doctor________you have to wait.[ ]
A. even if
B. as if
C. in case
D. in order that
在窗体上画一个命令按钮，然后编写下列程序 Private Sub Command3_Click()Tcl 2Tcl 3Tcl 4 End Sub Sub Tcl(a As Integer) Static x As Integer x=x+a Print x; End Sub 程序运行后，单击命令按钮，输出结果为
A．2 3 4
B．2 5 9
C．3 5 4
D．2 4 3
