脏腑相关理论中，与“精血同源”相关的脏是（）
A.心肾
B.脾肾
C.肺肾
D.心肝
E.肝肾
参考答案：E
—I'm sorry I went out for a smoke. I was very tired.
—There's no ______ for this while you are at work. [ ]
A. cause
B. excuse
C. matter
D. choice
穿着工装时，裤长以盖过鞋跟的（）为宜。
A.1/2
B.1/3
C.2/3
D.1/4
