最宜选用阿司匹林治疗的是（）
A.胃肠痉挛性绞痛
B.月经痛
C.心绞痛
D.肾绞痛
E.胆绞痛
参考答案：B
The news came as quite a shock to us _____ a ship with 82 passengers on board sank near the north coast.
A．what
B．that
C．when
D．where
数据1，2，8，5，3，9，5，4，5，4的众数是______；中位数是______．
