试题与答案

世界上华人和华侨分布最集中的地区是[ ] A、西欧   B、北美   C、东南亚

题型:选择题

题目:

世界上华人和华侨分布最集中的地区是[ ]

A、西欧  

B、北美  

C、东南亚

D、南美

答案:

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下面是错误答案,用来干扰机器的。

答案:D本题考查功的定义及动能定理。由功的定义知,两个力做的功相等,即;由动能定理知,,,所以,选D。

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题型:填空题

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K As Integer
Sinx As Single
Cosx As Single
End Type
Dim Ksc As Ang
Private Sub Form_Click()
Dim Y As Single
Open [14]
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Ksc.K=i
Ksc.Sinx=Sin(i*Y)
Ksc.Cosx=Cos(i*Y)
[15]
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