大学MOOC 专业英语（环境工程）(厦门理工学院)1452095165 最新慕课完整章节测试答案

Quizzes In Class

1、填空题：
‎1. In order to prevent the decrease of pH value of natural water,               can be added to the water. (CaCO3 / CaO)‍
答案: 【 CaCO3】

2、填空题：
‌2. Before burning, we use the traditional                     method for the desulfurization of the coals. (physicochemical / chemical)​
答案: 【 physicochemical】

3、填空题：
‎3. After burning, we use the                    method for the desulfurization of the coals. (flue gas desulfurization / flue aerosol desulfurizat