大气污染对环境的危害 关于环境污染(主要为大气污染)的原因、危害及治理英文作文.doc

大气污染对环境的危害 关于环境污染(主要为大气污染)的原因、危害及治理英文作文 This year, with the high speed development of economy in our country, the improve ment of people’s living standards. Pollutio… 湖北省孝感高级中学2016届高三调考文科综合试题 考试时间：150分钟 分值：300分 本试卷分第I卷（选择题）和第卷（非选择题）两部分，第卷1至7页，第卷8至14页，共300分。 第卷（选择题 共140分） 本卷共35个小题，每小题4分，共… 声学、光学部分 一、选择题 1、2007年8月，“同一首歌．走是内蒙古”在东胜演出，观众能区别出不同乐器发 出的声音，主要是根据它们发出的声音有不同的（ ） A、响度 B、音色 C、音调 D、三者皆有 2、如图所示，是宇航员在飞船舱外工作时的照片，他… This year, with the high speed development of economy in our country, the improve ment of people’s living standards. Pollution have becoming an Increasing Concern in China such as the serious pollution of air, water and soil. the polluted air does great harm to people?s health. The polluted water causes diseases and death. And the polluted soil is harmful for our food. In my opinion, the most urgent problem is air problem for our country Air quality has become a big topic in recent years. Tens of millions of people across China have been forced to cope with high levels of PM2.5- particulate /p??t?kj?l?t/（微粒） matter smaller than 2.5 micrometers in diameter that can penetrate the lungs and harm the respiratory, cardiovascular, cerebral vascular and nervous systems. Air pollution is not just about sore throats, but really more of a matter of life or death. The harmful effects that smog can have on the human body are one of the top concerns among those who reside in the country’s bigger cities. Many factors are contributing to the air pollution. The pollution of people’s life, industrial pollution and traffic pollution . First of all, in the life of people, the burning mineral fuel, many harmful gases are emitted in the atmosphere, in addition, decomposition and combustion of Living garbage has also produced a lot of harmful gas. Secondly, the discharge of industrial waste gas is undoubtedly one of the major source of air pollution. With the development of economy, the growth in the number offactories and industrial management is not i