放置宫内节育器的时间是()。
A.月经干净3~7天
B.月经干净2天内
C.月经干净8~10天
D.月经前3~5天
E.月经期
参考答案:A
骨折复位原则上愈早愈好,伤后( )小时内手法操作容易,复位效果较佳。
A.1~5
B.1~6
C.6~12
D.12~24
E.5~12
—Would you like to go hiking with us this Sunday?
—I'd like to, but I'll have _______ to do. [ ]
A. special something
B. something special
C. anything special
D. special anything