下列哪种食物含铜量相对较少()
A.坚果类
B.香菇
C.巧克力
D.鸡蛋
E.贝壳类
参考答案:D
-The terrible accident might not have happened had the driver been more careful.
--But he _____.
A.wasn’t
B.didn’t
C.hadn’t
D.doesn’t
治肺痈胸痛、咳吐脓血、痰黄腥臭之证,应选用()
A.桔梗
B.半夏
C.昆布
D.白芥子
E.白附子