面色黧黑，肌肤甲错者，属（）
A.肾阴虚
B.肾阳虚
C.肾虚水饮
D.寒湿带下
E.瘀血日久
参考答案：E
It _____ him nearly five thousand dollars. I think it's too expensive. [ ]
A. spent
B. took
C. used
D. cost
汉字操作系统中机内文字需要用（）字节来进行编码。
A、1
B、4
C、8
D、2
