大学MOOC 环境安全与绿色化学（双语）(河南理工大学)1450289223 最新慕课完整章节测试答案
第一章 Environmental Security，Green Chemistry
文章目录
Quizzes In Class
1、填空题：
The Earth Day begins at the year of .
答案: 【 2009】
2、填空题：
2. 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 (time).
答案: 【 1970s】
第二章 Smog，Photochemical Smog，Global Warming
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.
答案: 【 CaCO3】
2、填空题：
2. Before burning, we us
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