论文部分内容阅读
环境问题已经被世界各国所重视。许多污染物的成分、特性、形成过程及危害都与化学关系十分密切,化学也在环境污染的防治上发挥着举足轻重的作用,历年中考中常有关于环境保护和污染治理的试题出现。现将2013年中考中有关环境污染和防治的试题归类分析如下。
Environmental issues have been valued by all countries in the world. Many pollutants have very close relationship with the chemical composition, characteristics, formation process and hazards. Chemistry also plays a decisive role in the prevention and control of environmental pollution. Examination questions about environmental protection and pollution control have always appeared in the middle school over the years. The 2013 mid-term examinations on environmental pollution and prevention and control are now categorized as follows.