依下文回答第 21 題至第 25 題
High-speed rail (HSR) is a form of railway transportation which runs at a high speed. It uses an
integrated system of dedicated tracks and rolling stock to attain the high speed. While there is no single
standard that applies worldwide, new lines in excess of 250 kilometers per hour (160 miles per hour)
and existing lines in excess of 200 kilometers per hour (120 miles per hour) are widely considered to be
high 21 . The first high-speed train began its 22 in 1964 in Japan, and they were called bullet
trains. They run on standard gauge rail with continuously welded rails.
China’s HSR (High-speed rail) is the longest HSR network in the world; it is China’s network of
passenger-dedicated railway. It was extended to 29 more provincial-level administrative divisions in 2017
which gives it a total length of 25,000 km. This 23 approximately two-thirds of the global high-speed
railway for commercial services. In 2017 it completed nearly 2 billion trips.
24 China has over two-thirds of the World’s High-speed rail, its network does not cross into the
neighboring nations. The HSR crosses 25 boundaries only in Europe. Belgium is served by four
operators TGV, ICE, Eurostar and Thalys trains all from neighboring countries. ICE trains reach Switzerland
and Belgium while TGV rail has extended to Italy, Luxembourg, Germany, and Switzerland. Eurostar
connects London to Brussels. 【題組】25 (A) imaginable (B) international (C) internal (D) influential
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