能敛汗安神，用于心悸、失眠、多梦的药物为（）
A.人参
B.朱砂
C.远志
D.麦冬
E.五味子
参考答案：E
滴定至临近终点时加入半滴的操作是怎样进行的？
— Are these ______ CDs, Tom?
— No, ______ in the box over there. [ ]
A. yours, Mine is
B. your, Mine are
C. yours, My is
D. your, My are
