喜燥恶湿指上述哪脏（）
A.心
B.脾
C.肝
D.肾
E.肺
参考答案：B
在Rt△ABC中，如果一个锐角为60°，那么另一个锐角为______．
In the piping systems of a vessel , what type of valve gives the least resistance to fluid flow when fully open?（）.
A.Globe valve
B.Butterfly valve
C.Gate valve
D.Packless valve
