鹿茸的功效是（）。
A.补肾阴，益精血
B.补肾阳，益精血
C.补肾阴，祛风湿
D.补肾阳，祛风湿
E.补肾阴，止胎动
参考答案：B
That hotel is always full because it offers a friendly____and personal service.
A．adventure
B．award
C．atmosphere
D．appearance
简述综采工作面可采用哪些方法处理破碎顶板？
