放置宫内节育器的适应证是().
A.月经周期正常,经血量不多
B.严重的急慢性系统疾病
C.宫颈口过松或有重度陈旧性撕裂伤
D.生殖器官炎症
E.子宫畸形
参考答案:A
We are going to play football _____ next Sunday. [ ]
A. /
B. on
C. in
D. at
转致