1mol H2SO4中含_________个硫原子,_______个氢原子,_________mol O.
6.02×1023 ; 1.204×1024 ;4
设在工程中定义了如下类型: Type stutypeino As Integerstmame As String*20strsex As String*1smark As Single End Type 在窗体上正确使用这个类型的是下列哪个操作( )。
A.Sub Command1_click()Dimstudent As StutypeWith student.ino=12.strname=smith.strsex=男.smark=89End With End Sub
B.Sub Command1_Click()Dim student As StutypeWith student.ino=12.strname="smith".strsex="男".smark=89End With End Sub
C.Sub Command1_Click()Dim student As StutypeWith Stutype.ino=12.strname="smith".strsex="男".smark=89End With End Sub
D.Sub Command1_click()Dim student As StutypeWith student.ino=12.strname="smith".strsex="男".smark=89End student End Sub
()指标属短期偿债能力指标。
A.流动比率
B.速动比率
C.利息备付率
D.资产负债率