预防自燃火灾的措施有()
A、开拓开采的技术、预防性灌浆
B、阻化剂防火
C、胶体材料防火
D、惰性气体防火
参考答案:A, B, C, D
有如下函致: Function fact(x As Integer)As Long Dim p As Long,i As Integerp=1For i=1 To x p=p*1Nextfact=p End Function 调用它的事件过程如下: Private Sub Command1_Click()i=Val(Inputbox("请输入数据"))a=fact((i))Print a End Sub 若输入数据5,则运行结果为
A.120
B.60
C.80
D.100
—Why do you look unhappy?
—Well, my mother is on business in Beijing . I _____ her.[ ]
A. leave
B. think
C. see
D. miss