D People usually check whether their keys, wallets and phones are with them before going out. But many people in China now have one more important thing to take, a face mask. They hope that it can protect them from polluted air. Since January 2013, many cities in China have seen a lot of foggy days. In Beijing, only five days in January were free of smog . What’s the difference between fog and smog? According to scientists, fog is made up of tiny drops of water and also ice particles during very cold conditions. Smog is dirty air that looks like a mixture of smoke and fog, caused mainly by smoke from cars and factories in cities. An official for the Ministry of Environmental Protection told Beijing News that PM2.5 pollution is the main problem with air pollution. PM 2.5 refers to pollution with small particles 2.5 micrometers or less in diameter . According to the Chinese Academy of Sciences, two main factors that cause PM 2.5 are motor vehicles and the burning of coal. Poor air has done harm to people’s health. Children and the elderly are more at risk. A report from Beijing Children’s Hospital shows that from December 5 to December 11, 2013, half of the patients in the hospital came for respiratory problems. Air problems and environmental protection have become a care for the whole nation. Premier Li Keqiang made his last Government Work Report on March 6, 2014. The report said that the government should work hard to prevent pollution and give people a healthy living environment. It calls on people to make full use of energy and resources and cut down on energy use. `We should give people hope through our actions,’ Li said. ( ) 42. The underlined phrase “were free of means . A. had some B. had no C. had many D. had more and more ( ) 43. According to the third paragraph, we can know that . A. fog is made up of drops of water with smoke B. smog is formed during cold hours C. smog is a mixture of fog and smoke D. smoke from cars and factories cause fog ( ) 44. Paragraphs 4 and 5 are mainly about . A. what PM 2.5 is and how to protect ourselves against PM 2.5 B. how to prevent PM 2.5 pollution and how PM 2.5 looks C. what PM 2.5 is and what causes PM 2.5 D. how seriously PM 2.5 affects us and how to deal with PM 2.5 ( ) 45. From Li Keqiang’s report, we learn that . A. the environment has improved a lot since Li was in office B. many people have breathing problems because of the air pollution C. the air pollution problem is the government’s task D. the government will try its best to solve the air pollution problem 第Ⅱ卷 查看更多

 

题目列表(包括答案和解析)

People usually check whether their keys, wallets and phones are with them before going out. But many people in China now have one more important thing to take, a face mask. They hope that it can protect them from the polluted air.

Since January, many cities in China have seen a lot of hazy days. During these days, people can only see things that are very near them. In Beijing, only five days in January were free of smog.
According to the Chinese Academy of Sciences, driving cars and burning coal are two major factors for PM2.5, which is the main problem with air pollution. Poor air is bad for people’s health, especially for children and the elderly. Air problems and environmental protection have become a concern for the whole nation.
Our government is taking action to prevent pollution and give people a healthy living environment. It calls on people to make full use of energy and resources and cut down on energy use.
小题1:People will take    with them before going out, hoping to protect them from the polluted air.
A.keysB.walletsC.phonesD.face masks
小题2:What does the underline word mean?
A.阴雨的B.阳光明媚的C.雾蒙蒙的D.月光下的
小题3:What are the main factors for PM2.5 according to the Chinese Academy of Sciences?
A.driving cars and having fewer trees
B.burning coal and having fewer trees
C.having fewer trees and no rain
D.driving cars and burning coal
小题4:Why do the air problems and environmental protection become a concern for the whole nation?
A.Because people can’t see things clearly.
B.Because there are many hazy days.
C.Because the poor air is bad for people’s health.
D.Because there are so many cars in China.
小题5:What can people do to prevent pollution?
A.use less coal than now
B.cut down on energy use
C.use less resources
D.reduce and make full use of energy and resources

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