《针灸大成》的作者是

A.王焘

B.李学川

C.杨继州

D.高武

E.李时珍

Intravenousinjectionofdl-tetrahydropalmatine,corydalisLord-corydalineaffordedanalgesicactionsinrabbits．
Thefirsttwoagentshadperactionsthanthelatter．镇痛作用最弱的物质是

A．dl-tetrahydropalmatine
B．corydalisL
C．d-corydaline
D．corydalineandcorydalisL
E．d-corydalineanddl-tetrahydropalmatine