与膀胱的贮尿、排尿功能直接相关的是（）
A.膀胱的气化
B.膀胱的固摄
C.肾的气化固摄
D.三焦的气化
E.肺气的肃降
参考答案：C
The girl was singing when her teacher ______ into the classroom. [ ]
A. came
B. was coming
C. is coming
D. comes
已知∠α与∠β互为补角，并且∠α的两倍比∠β大60°，求∠α、∠β。
