梅州中学2012届高三下学期第三次模拟考试英语
试题命题人：高三备课组 2012.5.20 在i、语言知识及应用（共两节，满分45分）第一节：完型填空（共15小题，每小题2分，满分30分）阅读下面短文，掌握其大意，然后从1—15各题所给的a、b、c和d项中，选出最佳选项，并在答题卡上将该项涂黑。 monitoring pm2.5 pollution will be included in the new national air quality standards in china. relevant departments are urged to further revise and 1 the new standards as soon as possible. the final mission of this 2 is to reduce pollution caused by pm 2.5 significantly, which will take at least 20 years to 3 . it is known that europe and the us have been 4 against pm2.5 for 50 years. so, to deal with china’s air pollution now, 5 the pm2.5 problem, at least half of that time, if not the same length, will be needed. due to fast expansion and 6 , most cities in china face big challenges reduc
