“九针者，亦从”
A．东方B．南方C．西方D．北方E．东南方
参考答案：B
米非司酮的抗早孕作用是由于（）
A.促进子宫收缩
B.抑制受精卵分裂
C.使宫颈口处于紧闭状态
D.干扰雌激素与受体结合
E.干扰孕激素与受体结合
This is the car _______ door was slightly damaged in the accident. [ ]
A. which
B. whose
C. where
D. when
