下列各项，属于益火补土的适应证是
A．脾肾阳虚 B．肾阳虚损 C．脾阳不足 D．心脾两虚
参考答案：A
There are so many kinds of Mp3 in the shop. We can’t decide ________ .
A．what to buy
B．to buy what
C．which to buy
D．to buy which
保险在基本职能基础上派生出来的特殊职能是（ ）。
A．分散风险
B．组织经济补偿
C．融通资金
D．安全保障
