2013 高考英语二轮复习讲义（阅读理解）及训练 17：（答案）小试牛刀--------阅读理解Air quality in Shanghai worsened last week compared with the previous week, according to the latest report from the Shanghai Environment Monitoring Centre.The average air pollution index (API) for sulphur dioxide (SO2) remain almost unchanged from the previous week, but the APIs for nitrogen oxide (NOx) and total suspended (悬浮) particles (TSP) rose by 35 and 27 percent. The overall quality still belonged to class 2 category. Nitrogen oxide, caused mainly by vehicle exhaust and burning of cooking gas, was still the major pollutant of the week.The Shanghai Environmental Monitoring Centre operates six automatic air monitors in the city’s Putuo, Yangpu, Luwan, Hongkou, Jing’an and Xuhui districts.API14012010080604020NOXSO2TSP 0 12 13 14 15 16 17 18(October)0-50: excellent 51-100: good 101-200: slight pollution201-300: medium pollution 301-400: heavy pollution64. Judging from the chart, on which day was the air quality the worst?A. October 13.B. October 14. C. October 17.D. October 18.65. Which of the following can be used to describe the air quality of the week?A. Good B. Seriously polluted. C. Excellent. D. Slightly polluted.66. Six automatic air monitors are operated in the city except ________.A. Putuo DistrictB. Xuhui District C. Chang’an District D. Hongkou District67. In Shanghai, nitrogen oxide mainly comes from ________.A. the burning natural gas B. the burning cooking gasC. the burning coal D. dust raised by vehicles64、BA CB *********************************************************结束***************************************结束 AJoe and Helen Mills had two small children. One was six and the other four. They always refused to go to bed...
