治疗心痛气滞血瘀证，应首选
A．栝蒌薤白白酒汤
B．栝蒌薤白半夏汤
C．血府逐瘀汤
D．八珍汤
E．天王补心丹
参考答案：C
.This isn’t the most difficult one of the new words that ______ me in the passage.
A．puzzled
B．puzzles
C．is puzzling
D．have puzzled
下列属于HLA基因复合体中的经典Ⅰ类基因有（）
A.HLA-E
B.HLA-A
C.HLA-C
D.HLA-B
E.HLA-DR
