对于尾矿库的防洪可以采用()。
A、明沟截流地表水
B、溢泄流水井或溢洪道渲泄地表水
C、在尾矿库底部和尾矿库中加设渗滤管网
D、渗流导水明沟工程
参考答案:A, B, C, D
甲、乙两人骑车同时分别从A、B两地相对出发,甲每小时行16千米,乙每小时行14千米,两人在距中点2千米处相遇,则A、B两地的距离是______千米.
If the decision by the Customs on the dispute over duty payment is not acceptable to the duty payer, the duty payer has the right to sue ______ the PeoPle's Court within 15 days of receipt of the decision.
A.in B.toC.on D.at