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            • 1.

              In December, Beijing students had 6 days of special “holidays”. Kindergarten, primary and middle school students studied at home on computers because classes were stopped    80    of the smog(雾霾).

                     It’s   81   of the decisions the government(政府) made during the days under the red alert(红色警报) for heavy air pollution. During the days under the red alert, the PM2.5 level in Beijing was always around 300. In northeastern China, things were even   82   . The PM 2.5 level reached over 1,000 in Shenyang on Nov. 8th.

                     The government did something to     83   the problem of smog The Beijing government set limits(限制) on car use and cut some factory hours. They also   84    people to stay indoors.

                           85    , the indoor environment does not always mean there’s good air. Many parents started to worry about their children’s     86   . They asked schools to use air cleaners in classroom and some parents from Shanghai even raised(筹集) money to buy the cleaners.

                     According to the Education Committees(教育委员会) of Shanghai and Beijing, schools will face different problems    87    they use air cleaner systems, such as money and old buildings. But the committees also said they were working on it, hoping to find out plans for every school soon.

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            • 2.
              根据短文内容及首字母提示,填写所缺单词
                Suppose you find a bright yellow bike on a street corner in the city.You hop on it and ride away.But wait-isn’t this s__①__? No one shouts, “Stop! Thief!” That b__②_ this free ride is just fine with the city.


                You can find h__③__ of free yellow bikes in some U.S.cities.The idea began in Portland, Oregon, in 1994.People saw a need for f__④__ transportation, and they wanted to help c__⑤__ pollution.So, to get citizens out of their cars and onto pollution free bikes, they s__⑥__ the Yellow Bike Project.
                The public bike are p__⑦__ bright yellow a nd placed throughout the city.People can hop on a yellow bike and ride to work to school, or to run errands.They then leave the bike for the n__⑧__ rider.There have been times when bikes have been stolen, but most people obey the r__⑨__.What would be the point of stealing something that’s already free?
                Portland’s i__⑩__ quickly became popular.Within two years of its start similar programs were set up in cities in six other states.

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