消化道和呼吸道的共同组成器官是[ ]
A．口腔
B．咽
C．食道
D．气管
答案：B
They live near the seaside, so most of them _____ by fishing. [ ]
A. make friends
B. make peace
C. make a living
D. make life
功能泻火除烦，善于清泻三焦火邪的药物是（）
A.栀子
B.决明子
C.金银花
D.夏枯草
E.芦根
