网站首页
知道智慧树答案 
1、填空题：
The impact of environmental change on , which may emerge from situations of resource and overuse of resources. (food shortage /conflict formation)
答案: 【 conflict formation】
2、填空题：
Tensions can also arise out of a context of contested , such as oil production, mining.(money /resource wealth)
答案: 【 resource wealth】
3、填空题：
There is now growing recognition of the important inter-connections between . (resourse shortage and economic development / environment security and sustainable development)
答案: 【 environment security and sustainable development】
4、填空题：
(Reduce pollution and zero emission / Reduce pollution and decrease emission) are two important thoughts in the concept of green chemistry.
答案: 【 Reduce pollution and zero emission】
5、填空题：
Chemistry is a process of constantly creating .(new crystal, production and materials / new molecules, substances and materials)
答案: 【 new molecules, substances and materials】
6、填空题：
The topic of 9th World Engineering Education Forum 2019 is Disruptive Engineer Education for . (Environmental security / Sustainable Development)
答案: 【 Sustainable Development】
7、填空题：
The benefits of reducing the waste food are saving money, reducing emissions and conserving energy and resources. (ethylene / methane)
答案: 【 methane】
8、填空题：
(April 24th /April 22ed) is the Earth Day every year?
答案: 【 April 22ed】
9、填空题：
The purpose of establishment of the Earth Day is to enhance and cultivate citizens’ .(self-protection / environmental awareness)
答案: 【 environmental awareness】
10、填空题：
The time of the World Environment Day is at every year. (June 5th / July 5th)
答案: 【 June 5th】
11、填空题：
Another activities of cultivating citizens’ environmental awareness is the . (World Ocean Day / World Environment Day)
答案: 【 World Ocean Day】
12、填空题：
The topic of the World Environment Day in 2018 is . (Water Pollution / Plastic Pollution)
答案: 【 Plastic Pollution】
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】
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】
1、填空题：
90% of the atmosphere is located in . (Stratosphere / Troposphere)
答案: 【 Troposphere】
2、填空题：
The percent by volume larger than the average value in the atmosphere is called . (wastes / pollutions)
答案: 【 pollutions】
3、填空题：
refers to the return of 84% of the energy radiated from the surface of the earth.(Green Chemistry / Global Greenhouse Effect)
答案: 【 Global Greenhouse Effect】
4、填空题：
, such as ash, soot, metal oxides and even sea salts, play a major role in air pollution.(Solid particles / Liquid particles)
答案: 【 Solid particles】
5、填空题：
Generally, smog exists at the , where industrial and human activities.(urban areas / village areas)
答案: 【 urban areas】
6、填空题：
Aerosols are usually solids, though some are tiny .(droplets of liquid / aerosol of liquid)
答案: 【 droplets of liquid】
7、填空题：
According to the cause of formation, smog can be divided into industrial smog and smog.(photophysical / photochemical)
答案: 【 photochemical】
8、填空题：
In aerosols, sunlight splits NO2 into .(NO and atomic oxygen / oxygen and atomic N)
答案: 【 NO and atomic oxygen】
9、填空题：
and oxygenates are two kinds of VOCs. (Hydrocarbons / Carbo-nitrides)
答案: 【 Hydrocarbons】
10、填空题：
The main substances destroying the ozone layer are .(Chlorobromocarbons / Chlorofluorocarbons)
答案: 【 Chlorofluorocarbons】
11、填空题：
The wavelength range of UV-B is .(280 nm-320 nm / 320 nm-360 nm)
答案: 【 280 nm-320 nm】
12、填空题：
Although ozone is a pollutant in the , it is very necessary for the health of atmosphere of the earth in the stratosphere. (troposphere / stratosphere)
答案: 【 troposphere】
13、填空题：
The greenhouse gases in the atmosphere of earth contains .(List 3 kinds)
答案: 【 carbon dioxide, water vapor, methane, nitrous oxide and ozone】
14、填空题：
The reason of global warming is the earth’s has been changed.(energy balance / ecological balance)
答案: 【 energy balance】
15、填空题：
Generally, the pH value of normal rain is 5-6. However, the pH value of acid rain is .(1-3 / 3-5)
答案: 【 3-5】
16、填空题：
The method to solve the acid rain problem is the threat of acid rain. (avoiding / neutralizing)
答案: 【 neutralizing】
17、填空题：
Generally, the acid rain can damage stone statues, trees and forests. It can corrode as well.(plastics / metals)
答案: 【 metals】
18、填空题：
In order to reduce SO2 emission, the most effective way is of the coals. (desulfurization / burning)
答案: 【 desulfurization】
19、填空题：
The three kinds of coal desulfurization process are oxidative desulfurization, reduction desulfurization and . (physical desulfurization / biological desulfurization)
答案: 【 biological desulfurization】
20、填空题：
In the process of burning, we use the method for the desulfurization of the coals. (biological / chemical)
答案: 【 chemical】
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】
3、填空题：
3. is one of the most common materials used for making virtually every kind of manufactured object from clothing to automobile parts. (Plastic / Metal)
答案: 【 Plastic】
1、填空题：
The name of the website for the water environment problem established by United Nations is . (www.unwater.org / www.water.org)
答案: 【 www.unwater.org】
2、填空题：
The most obvious type of water pollution is water pollution. (surface / deep)
答案: 【 surface】
3、填空题：
Pure drinking water contains some , not only H2O. (heavy metals / mineral)
答案: 【 mineral】
4、填空题：
The specific heat capacity of water is J/(g×℃). (6.814 / 4.184)
答案: 【 4.184】
5、填空题：
of water is almost the largest among all the liquids (except mercurg). (Surface tension / Density)
答案: 【 Surface tension】
6、填空题：
Geometry of the basic unit of the extended hydrogen bonding structures in ice is  
备案号：冀ICP备20010840号 2020-2099辉辉网络科技 All Rights Reserved
