采用压力式机械过滤器过滤原水时,台数不宜少于( )台。
A.2
B.3
C.4
D.6
参考答案:A
解析:采用压力式机械过滤器过滤原水时,台数不宜少于2台,1台备用。
设有如下程序: Private Sub search(a()As Variant,ByVal key As Variant,index%) Dim I%For i=LBound(A) To UBound(A) If key=a(I)Then index=I Exit SubEnd If Next I index=-1 End Sub Private Sub Form_Load() Show Dim b() As Variant Dim n As Integer b=Array(1,3,5,7,9,11,13,15) Call search(b,11,n) Print n End Sub 程序运行后,输出结果是 【6】 。
(2013·辽宁,28)Laura was away in Paris for over a week.When she got home,there was a pile of mail________for her.
A.waited
B.to wait
C.waiting
D.was waiting