在尾矿库排水构筑物上或尾矿库内适当地点,应设置清晰醒目的水位标尺。
参考答案:对
— Who on earth will take the place of him?
— I'm afraid no one would like to ____ the challenge
— It's just too difficult a task. [ ]
A. hold on
B. put on
C. take on
D. work on
中国近代化是的起点是()
A.洋务运动
B.辛亥革命
C.五四运动
D.中华人民共和国的成立