如果a=2,b=9,c=6,d=3,那么 [ ]
A.a、b、c、d成比例
B.a、c、b、d成比例
C.a、d、b、c成比例
D.a、c、d、b成比例
答案:D
Using _____ illegal drugs can lead to health problems, and it can be _____ stain on one’s life.
A.不填;the
B.the; the
C.the; a
D.不填; a
适用于阳偏衰的治法是
A.阳中求阴B.阳病治阴C.阴阳双补D.阴病治阳E.阴病治阴