治疗经行风疹块血虚证，应首选的方剂是（）
A.八珍汤
B.当归饮子
C.大补元煎
D.人参养荣汤
E.补中益气汤
参考答案：B
关于头颅摄影的注意事项，不妥的是（）
A.了解临床的诊断要求
B.标有明确的左右标志
C.一般都不选用滤线栅
D.除去头部饰物等物品
E.正确使用辅助测量工具
Speaker A: I’d like to buy a copy of Professor Franklin’s book on shells. Speaker B: （）。
A. Are you one of Professor Franklin’s students
B. But I like his book on fish better than that on shells.
C. I’m sorry, sir. That book has been out of print for some time now.
D. Will you pay over there at the cashier
