Question

   It is said that as the population of a city grows,so do its problems. Pollution,too many cars,and crowded streets are just a few of these difficulties. 1       Trains’ traveling to different parts of a city means fewer cars and buses on our roads,cleaner air,and more open streets. In recent years,cities such as      Guangzhou,Shenzhen and Shanghai have all built city train lines. 2       The oldest part of the train line,from Beijing Zhan to Ping Guo Yuan was opened in 1969. Its length was 23. 6 kilometres. 3       A newer train line was built to help move people around the city center. 4       Since that time even more train stations have been built and today the train lines in the city are over 50 kilometres long.

5 vIt is thought that most of the people who go to watch the different sports during the Games will travel using trains.

根据材料内容，从下面五个选项中选出能填入文中空缺处的最佳选项，使短文意思通顺，内容完整，并将其标号填写在下面题号后的横线上。

A. As the city grew after 1980,so did the need for more trains.

B. In the future,the trains of Beijing will be very important.

C. One way to help with these problems is city trains.

D. The 16-kilometre-long “circle line” was finished in 1987.

E. The first city train line inChinawas built in Beijing.

1.         2.         3.         4.         5.        

Answer 1

1—5 CEADB