在职研究生英语（一）
阅读短文，选出填入空格最合适的一项： Desalination plants c…
第 2 题单选题模拟题基础
阅读短文，选出填入空格最合适的一项：
Desalination plants can turn seawater into drinking water for millions of people in dry coastal regions. ___, the process consumes large amounts of energy and leaves behind a salty waste that can harm marine life near the outlet pipes.
完形填空解题步骤首句定调