水泵在闭闸情况下启动,这段时间一般不超过()。
A、2~3min
B、4~5min
C、5~6min
D、6~7min
参考答案:A
以下用户自定义函数 Function Func(a As Integer, b As Integer) As Integer Static m As Integer, i As Integer m=0:i=2 i=i+m+i m=i+a+b Func=m End Function 在窗体上画一个命令按钮,然后编写如下事件过程: Private Sub Command1_Click() Dim k As Integer,m As Integer,p As Integerk=4:m=1P=Func(k,m)Print p End Sub 程序运行后,单击命令按钮,输出结果为
A.8
B.9
C.10
D.11
深度千分尺的测微螺杆移动量是()。
A.0.25mm
B.25mm
C.35mm
D.0.35mm