2021中国大学MOOC Environmental Chemistry 最新中国大学MOOC满分章节测试答案

Chapter I Chapter I test

1、 问题:In 1948, the Swiss chemist Müller won the Nobel Prize in physiology or medicine for inventing and synthesizing which pesticide. However, after that, the large-scale application of the pesticide has caused a heavy burden on the ecological environment?
选项：
A:Dioxin.
B:DDT.
C:Endosulfan.
D:Glyphosate.
答案: 【DDT.】

2、 问题:What characteristics of soil lead to the non-linearity of pollution process and the decrease ofbioavailability of pollutants?
选项：
A:Severe human disturbance.
B:Affected by atmosphere and hydrosphere.
C:Highly heterogeneous medium.
D:No significant change with time.
答案: 【Highly heterogeneous medium.】

3、 问题:Environmental chemistry is a science to study the existence, chemical characteristics, behavior and effect of in environmental medium and the chemical principles and methods of its control.
选项：
A:Chemical products.
B:Synthetic chemicals.
C:Hazardous chemicals.
D:All known chemicals.
答案: 【Hazardous chemicals.】

4、 问题:Since Thompson published “lost at the sea: where is all the plastic” in Science in 2004, marine plastic pollution has attracted more and more attention of environmentalists. Microplastics are generally considered to be plastic particles with particle size smaller than ?
选项：
A:5 cm.
B:5 mm.
C:5 μm.
D:5 nm.
答案: 【5 mm.】

5、 问题:Pentachlorophenol is an efficient and cheap broad-spectrum insecticide, preservative and herbicide, which has been widely used in schistosomiasis endemic areas to kill ?
选项：
A:Larva of Schistosoma japonicum.
B:Intermediate host snail of Schistosoma japonicum.
C:Adult Schistosoma japonicum.
D:Male Schistosoma japonicum.
答案: 【Intermediate host snail of Schistosoma japonicum.】

6、 问题:Among the following methods, the methods that can be used to extract different forms of heavy metals in soil include:
选项：
A:SPE solid phase extraction.
B:BCR fractional extraction.
C:Tessier continuous extraction method.
D:ASE accelerated solvent extraction.
答案: 【BCR fractional extraction.;
Tessier continuous extraction method.】

7、 问题:Nonylphenol is a kind of widely used nonionic surfactant. Which of the following properties does its degradation product have?
选项：
A:Endocrine interference.
B:Increased toxicity.
C:Increased durability.
D:Increased degradability.
答案: 【