哪一穴位不能用于催乳（）
A.膻中
B.少泽
C.少商
D.耳穴内分泌
E.乳根
参考答案：C
一动点M到x轴的距离比到点F（0，2）的距离小2，则此动点M的轨迹方程是
During the reconstruction of the city, many modern tall buildings went up _____ old shabby houses were
torn down. [ ]
A. where
B. in what
C. in which
D. which
