与大枣配伍，能够调和营卫的药物是（）与桂枝配伍，能够调和营卫的药物是（）
A.干姜
B.生姜
C.赤芍
D.白芍
E.甘草
参考答案：B,D
---I regret _____you John has been fired．
---I can hardly believe my ears．He’s such a fine worker．
A．telling
B．having told
C．to tell
D．to have told
缺乏时易致味觉障碍和异食癖的是（）
A.钙
B.铁
C.碘
D.锌
E.硒
