输卵管结扎术后多长时间拆线？（）
A.2小时
B.6小时
C.5天
D.7天
E.10天
参考答案：C
如果某月共有4个星期五，这4个星期五的日期之和为62，则这4天分别是（ ）
Traditional Chinese sports are similar to the Western sports _______ both are meant to improve people’s health.
A．that
B．in which
C．in that
D．不填
