下面能量单位换算错误的是()。
A: 1J=0.032Kcal
B: 1Kcal=4186J
C: 1J=0.063kw/h
D: 1kw/h=0.063J
A: 1J=0.032Kcal
B: 1Kcal=4186J
C: 1J=0.063kw/h
D: 1kw/h=0.063J
举一反三
- 下面能量单位换算错误的是()。 A: A1J=0.032Kcal B: B1Kcal=4186J C: C1J=0.063kw/h D: D1kw/h=0.063J
- 下列程序段不能正确显示1!、2!、3!、4!的结果的是 。 A: For i = 1 To 4 For j = 1 To i n = 1 n = n * j Next j MsgBox( n)Next i B: Dim i%, j%, n%For i = 1 To 4 n = 1 For j = 1 To i n = n * j Next j MsgBox( n)Next i C: Dim j%, n%n = 1For j = 1 To 4 n = n * j MsgBox( n)Next j D: Dim j%, n%n = 1j = 1Do While j<=4 n=n*j MsgBox(n) j=j+1Loop E: Dim j%, n%n = 1j = 1Do n=n*j MsgBox(n) j=j+1Loop While j<=4
- 热流量与功率的单位有()。 A: 瓦(W) B: 千瓦(kW) C: 千卡/时(kcal/h) D: 千卡(kcal) E: 焦(J) F: 千焦( kJ)
- 下列程序段能且只能显示1!、2!、3!、4!的值的是( )。 A: For i = 1 To 4 n = 1 For j = 1 To i n = n * j Next j MsgBox(n)Next i B: For i = 1 To 4 For j = 1 To i n = 1 n = n * j Next j MsgBox(n)Next i C: n = 1For i = 1 To 4 For j = 1 To 4 n = n * j MsgBox(n) Next jNext i D: n = 1j = 1Do While j <= 4 n = n * j j = j + 1LoopMsgBox(n)
- 下列程序段能分别正确显示1!、2!、3!、4!的值的是______。 A: For i = 1 To 4 n = 1 For j = 1 To i n = n * j MsgBox(n) Next jNext i B: For i = 1 To 4 For j = 1 To i n = 1 n = n * j Next j MsgBox(n)Next i C: n = 1For i = 1 To 4 For j = 1 To 4 n = n * j MsgBox(n) Next jNext i D: n = 1j = 1Do While j <= 4 n = n * j MsgBox(n) j = j + 1Loop