据《灵枢·脉度》，五脏不和则（）
A.七窍不通
B.留为痈
C.耳不闻五音
D.舌不知五味
E.目不辨五色
参考答案：A
------Did Lisa sing _________Alice at the corner last night, Tim?
------Oh, it’s hard to say.
A．as good as
B．as well as
C．so well as
D．the same as
试论述外部性的含义、对资源配置的影响以及解决办法。
