废钻井液在填埋前，通常需通过（）处理或让其自然蒸发，以减少废钻井液体积。
A、脱水
B、兑水
C、水化
D、改变水质
参考答案：A
Joined by their friends, Troy and Carmella staged a musical _____ their experiences, hopes and fears about
the future. [ ]
A. reflecting
B. reflected
C. being reflected
D. having reflected
大量出汗时，可导致（）
A．尿比重明显增加
B．尿量明显减少
C．两者都有
D．两者都无
