大学MOOC 环境安全与绿色化学（双语）(北京理工大学)1206303811 最新慕课完整章节测试答案

Quizzes In Class

1、填空题：
​The Earth Day begins at the year of           . (2009/2010)‍
答案: 【 2009】

2、填空题：
‌2. (The cultivation of environmental awareness / The cultivation of green chemistry)               is a long-term and effective way to solve environmental problems.​
答案: 【 The cultivation of environmental awareness】

3、填空题：
​3. Both of the earth Day and the World Environment Day are original from             (1980s / 1970s).​
答案: 【 1970s】

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 desulfurization)‏
答案: 【 flue gas desulfurization】

Quizzes In Class

1、填空题：
‍1. Polychlorinated               have already been widely used to manufacture electronic circuit boards. (biphenyl / phenyl)​
答案: 【 biphenyl】

2、填空题：
​2.                   is main source of radioactive pollution from nuclear power plants. (X-ray / Radioactive waste)​
答案: 【 Radioactive waste】