要实现报表的分组统计，其操作区域是（）
A.报表页眉或报表页脚区域
B.页面页眉或页面页脚区域
C.主体区域
D.组页眉或组页脚区域
参考答案：D
—Jack，could you tell me __?
--Sure.In the post office on Green Road.
A．where you bought the stamps
B．where did you buy the stamps
C．when you bought the stamps
D．when did you buy the stamps
在Windows中，如果要把整幅屏幕内容复制到剪贴板中，可以按键
A．PrintScreenB．ScrollLockC．PageUpD．PageDownE．Home
