I went to Xinjiang _________ my friends.[ ]
A. and
B. with
答案：B
—How did you do on the test?
—Not so well. I ______much better, but I misread the directions for Part One.
A．could
B．could have done
C．must have done
D．should do
如果用户的堆栈位于存储器区域10000H～1FFFFH，那么该堆栈的段地址是( )。
A．10000H B．1FFFFH C．1000H D．1FFFH
