首先提出“合病与并病”之说的著作是()
A.《黄帝内经》
B.《伤寒杂病论》
C.《难经》
D.《中藏经》
E.《诸病源候论》
参考答案:B
____ side of the street is lined with different shops, ____ of which sell electronic products. [ ]
A. Both; both
B. Either; both
C. Neither; either
D. Either; all
生物反应调节剂主要有哪几类?