“内蒙古”是()自治区的简称。
A.黑龙江
B.辽宁
C.吉林
D.内蒙古自治区
参考答案:D
为了抗震救灾,现要在学生人数比例为2:3:5的A、B、C三所高校中,用分层抽样方法抽取n名志愿者,若在A高校恰好抽出了6名志愿者,那么n=______.
It’s years since we last saw each other .So much____ that I can hardly recognize him.
A.has he changed
B.he has changed
C.he does change
D.he changes