When I got to the meeting room, the meet

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问题选择题

When I got to the meeting room, the meet for half an hour.[ ]

A. has begun

B. had been on

C. had begun

D. has been on

答案

答案：B

不定项选择

为了将空气装入气瓶内，现将一定质量的空气等温压缩，空气可视为理想气体下列图像能正确表示该过程中空气的压强p和体积V关系的是[ ]

填空题

运行下面程序，其运行结果k的值为【14】，其最里层循环体执行次数为【15】。
Dim i，j，k As Integer
i=1
Do
For j=1 To i Step 2
k=k+j
Next
i=i+2
Loop Until i＞8