新压滤机液压马达的额定工作压力为()
A、16MPa
B、12MPa
C、10MPa
参考答案:C
AIDS control and prevention is a____ to China as well as to the whole world. [ ]
A. surprise
B. challenge
C.reaction
D.threat
在窗体上画一个名称为Command1的命令按钮,然后编写如下事件过程:Private Sub Command1_Click( )a$=“VisualBasic”Print String(3,a$)End Sub程序运行后,单击命令按钮,在窗体上显示的内容是( )。
A.VVV
B.Vis
C.sic
D.11