具有降逆止呕功效的药物是:( )
A.白前
B.旋复花
C.桔梗
D.前胡
E.白芥子
参考答案:B
8.Jack wants to become a friend of _______ shares joys and hardships with him .
A.somebody
B.whomever
C.anybody
D.whoever
卫氏并殖吸虫致病的主要阶段是()
A.虫卵
B.虫体
C.毛蚴
D.毒素
E.过敏反应