At present, the Chinese government is _____ a great many experts who have mastered the rules

of the WTO. [ ]

A. calling on

B. calling for

C. calling at

D. calling up

仙方活命饮的功效是()

A.清热解毒，凉血散瘀

B.清热解毒，消肿溃坚，活血止痛

C.泻火通便，清上泻下

D.清热燥湿，调气和血

E.清热解毒，凉血止痢