题目内容
19．Wuhan，the capital city of Hubei province，has issued smog warnings for three days since Monday because of serious air pollution．The lingering smog forced construction sites to stop work and primary and middle schools to suspend outdoor activities．From Monday through Wednesday，the city's air quality index reading remained high，with the highest reading at 323，with PM2.5，or particulate matter smaller than 2.5 microns，as the main pollutant，according to the city's meteorological bureau．Any reading over 300 is considered"seriously polluted"．
The city experienced at least eight heavily polluted days in the first two weeks of December，with the air quality index reading reaching a high of 440，China News Service reported．
Among those affected was a square dancing team in Jiang'an district，which had to stop daily practices after several members fell ill．Square dancing is a common open-air fitness practice across China，with most of the participants middle-aged or elderly women．
Media reported the leader of one dancing team had to go to a hospital after she had an asthma attack on Dec 11．
Identified only as Fang，65，the dance team leader said she decided to suspend the practices after she learned her illness was caused by smog，and after several other members also fell ill，the report said．
The city plans to invest 28 billion yuan （$4.61 billion） in air pollution control by 2017．The plan says the city will boost the development of clean energy vehicles for public transportation and remove all of the current 140，000 heavy-polluting vehicles from Wuhan's roads by the end of 2016．
67．What's the main idea of the passage？B
A．Wuhan decided to remove most construction sites．
B．Wuhan issued smog warnings for three days because of smog．
C．The city is reportedly unfit for physical training．
D．Outdoor exercise can decrease the influence of smog．
68．The air quality index reading of the city once reached to an extreme ofC．
A.300 B.323 C.440 D.140，000
69．The city authorities will firstly developAin the future．
A．green transportation
B．environmentally friendly energy
C．heavy vehicles
D．transport network
70．"suspend"in the second paragraph from the bottom meansA
A．put off B．take off C．put up D．take up．
分析 本文讲述了政府出台警告措施的原因--雾霾严重，以及解决方案．
解答 67．B主旨题．本文主旨句是第一段，"Wuhan，the capital city of Hubei province，has issued smog warnings for three days since Monday because of serious air pollution．"后面的内容主要解释政府出台警告措施的原因--雾霾严重，以及解决方案．只有B项符合题意，故正确答案为B．
68．C细节题．文章第二段第二句提到323，是从周一到周三空气质量指数的最高值，文章第三段提到440，是在12月份开始两周的最高值，440是文章中提到的关于空气质量指数的最高值，故正确答案为C．
69．A推断题．由最后一段第一句可知"武汉将在2017年前控制好空气质量"，由最后一段第二句可知"将在2016年前加快发展清洁能源型汽车，将重污染的车迁移"，2016在2017之前，第一步应是后者，即"绿色交通"，故正确答案为A．
70．A推断题．由划线处后"after she learned her illness was caused by smog"可知，此处应指"暂停实践"，put off"推迟，延迟"，take off"起飞；脱下"，put up"提供；建造；举起"，take up"拿起；占据；开始"，只有A项最合适，故正确答案为A．
点评 本文讲述了政府出台警告措施的原因--雾霾严重，以及解决方案的一个故事，题目涉及多道细节理解题，做题时结合原文和题目有针对性的找出相关语句进行仔细分析，结合选项选出正确答案．推理判断题也是要在抓住关键句子的基础上合理的分析才能得出正确答案，切忌胡乱猜测，一定要做到有理有据．
