Do you often play basketball ______ your friends? [ ]
A. and
B. with
C. to
D. or
答案:B
产后郁冒的病机是( )
A.亡血
B.肌表不固
C.多汗
D.津液耗损
E.感受寒邪
发芽法要求果实或种子的发芽率在()
A.85%以上
B.75%
C.80%
D.70%
E.60%