单项选择题
A.r% B.r! C.r# D.r$
A.Const a As Single=10.5 B.Const a As Double=Cos(10.5) C.Const a="abc" D.Const a As Integer=10.5
A.1 B.2 C.4 D.8
A.Integer B.Double C.Boolean D.数组
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