主治阴虚血少，神志不安证之心悸失眠可选用（）
A.朱砂安神丸
B.天王补心丹
C.归脾汤
D.补中益气汤
E.甘麦大枣汤
参考答案：B
—Here are three books on history. Which one would you like to borrow?
—______. You see, I’m interested in geography these days.
A．All
B．None
C．Both
D．Each
热媒系统主要由那几部分组成？
