题目

某VB程序段如下：For i = 1 To 7b(i) = 1 Next i For i = 1 To 7For j = 1 To i - 1If a(i)>a(j) and b(i)<=b(j) Then b(i) = b(j) + 1 End IfNext j If b(i) > max Then max = b(i) Next i 数组元素a(1)到a(7)的值依次“50,10,14,64,47,70,82”，执行该程序段后，变量max的值是（） A . 5 B . 4 C . 3 D . 2 答案：A Linda often _________ her homework in the evening, but this evening she _________ TV． [　　] A． does; watches B． is doing; watches C． does; is watching D． is doing; is watching