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问题详情：

Chinese railway experts have begun talks on building a record-breaking high-speed rail that will connect Inner Mongolia in the north to Hainan in the south.

   According to the Shaanxi Development and Reform Commission, the proposed line will operate at a speed of 350 kilometers per hour.

   Beginning in Inner Mongolia’s Baotou and running through southern Shaanxi, Hubei, Hunan Guangxi and Guangdong, its final stop would be in Haikou on Hainan Island, China’s southernmost province.

   Though the exact length of the proposed route has not been released, it will likely become the world’s longest high-speed rail line as the journey by road between Baotou and Haikou is about 3,000 kilometers long. Currently, the world’s longest high-speed rail line is almost 2300 kilometers long, running from Beijing to Guangzhou.

The proposed rail is part of China’s aim to create another “Silk Road of the 21st century” and improve the country’s transportation network while driving land development and urbanization in some provincial areas.

Many of the provinces through which the high-speed trains will travel are near major bodies of water, such as the Yellow River in Inner Mongolia and Shaanxi, the Yangtze River in Hubei and the south China sea, where the line would end. These high-speed trains will also take passengers to popular tourist destinations including Zhangjiajie, Xi’an, Guilin and minority areas in western Hunan and Hubei.

“The country is now shifting its focus and investing in the western regions and economically unenlightened areas, making up for China’s long debt to these areas,” Tan Yuzhi, professor of the School of Economics and Management at Hubei University for Nationalities, told local media. “ The project will significantly narrow regional disparities(差异) and solve minority issues.”

However, Deng Hongbing, director of China University of Geosciences’ Center for Regional Economic and Investment Center, said that if the north-to-south railway is to be constructed, there needs to be a sound ecological program in place to ensure the protection of these undeveloped and ecologically sensitive areas.

20. What is the passage mainly talking about?

A. China has decided to invest in the western areas

B. Another high-speed rail line is being planned

C. The train will speed up to 350 kilometers per hour

D. China has built the best high-speed rail line

21. Once the high-speed rail line is built, _____________.

A. it will be the second longest high-speed rail line in China

B. it will benefit the areas that it runs through a lot

C. it will only transport goods

D. it will do good to the environment alongside the line

22. What does the underlined part mean in the seventh paragraph?

A. Developed areas    B. undeveloped areas

C. productive areas    D. Agricultural areas

23. It can be inferred from the last paragraph that________.

  A. you cannot have your cake and eat it

  B. where there is a will, there is a way

  C. all things are easy that are done willingly

  D. it is as well to know which way the wind blows

【回答】

BBBA

知识点：社会现象类阅读

题型：阅读理解