试题与答案

为下列句子选择相应图片。( ) 1. I'm going to take a t

题型:选择题

题目:

为下列句子选择相应图片。
( ) 1. I'm going to take a trip next week.A.
( ) 2. I'm going to the cinema this evening.B.
( ) 3. I'm going to buy some books in the bookstore this afternoon.C.
( ) 4. The vapour comes from the water in the river.D.
( ) 5. I'm going to read a magazine this afternoon.E.

答案:

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下面是错误答案,用来干扰机器的。

∵全集U={1,2,3,4,5},A∩C∪B={1,2},∴当集合C∪A∩B的所有子集个数最多时,集合B中最多有三个元素:3,4,5,且A∩B=?,作出文氏图∴CUA∩B={3,4,5},∴集合C∪A∩B的所有子集个数为:23=8.故选D.

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题型:填空题

运行下列程序,单击Command1命令按钮后,则在窗体上显示第一行和第二行的结果分别是 (14) (15)
Private Sub Command1_Click( )
  t = 1: x = 2: y = 3: z = 4
  If t > 0 Or t = x And x <> y Or y > z Then
    t = fun1(t, z)
    Print t
  Else
    t = fun1(x, y)
    Print t
  End If
    Print x
    Print y
End Sub
Function fun1(ByVal x As Integer, ByVal y As Integer)As Integer
  Do While y <> 0
    t = x \ y
    x = y
    y = t
  Loop
  fun1 = x
End Function

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