地面水的排除通常采用设置（）等设施来进行。
A.排水沟
B.井点降水
C.截水沟
D.抽水
E.修筑土堤
参考答案：A, C, E
The 16th Asian Games were held in ____ city of Guangzhou, ____ international big city in the
south of China in November. [ ]
A. a; an
B. the; an
C. a; the
D. the; the
400V动力中心开关保护动作后如何判断？
