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  • 1. (2018高一下·盐城期末) 根据短文内容和所给词语,在空白处填入一个最恰当的单词。

        As one of "China's new four great inventions", China's high-speed rail eyes the world again with "Fuxing". It is proud of a top speed of 400 km/h and a continuous speed of 350 km/h. It is (total) designed and produced by Chinese engineers any help from the West.

        China's high-speed train is not only known for its amazing speed, but also for its safety and comfort. Last year, it safely carried 1.4 billion , or the total population of Africa and South America (combine).

        In 2015, a video taken by a Swedish traveler became popular on social media both at and abroad. In the nine-minute video, a coin stood upright all the time on a fast-running high-speed train. It shows the steadiness (稳定) of China's high-speed train, (give) visitors a comfortable travelling experience.

        The service on China's high-speed rail is still improving. The new bullet train plans to increase the height, and the Wi-Fi network will the whole train. Its air conditioning system is designed to reduce the influence of the external pressure wave the train is passing through tunnels, easing (comfort) of ears.

        The rapid development of China's high-speed rail in the past five years (mark) China's increasing strength in technology and innovation. It has become a new symbol, showing China's great progress to the world.

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