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  3. Cyclo-cross is a cross-country bicycle racing in open and usually quite rough country with riders often forced to dismount and c

Cyclo-cross is a cross-country bicycle racing in open and usually quite rough country with riders often forced to dismount and c

admin2008-01-17  64
问题     Cyclo-cross is a cross-country bicycle racing in open and usually quite rough country with riders often forced to dismount and carry their bicycles.
    The sport, originated early in the 20th century in France, was prevalent in the 1920s, but became prominent in the 1950s (the British Cyclo-Cross Association was founded in 1954). An original European sport, cyclo-cross became popular throughout Western Europe and in the United States. World championships were initiated in 1925; by 1950 these were recognized by the Union Cyclist International(International Cyclists’ Union). After 1967 amateur and professional classes were officially separated in competition.
    The 24-kilometer cyclo-cross course, often involving taps, is usually completed in 60 minutes. A course typically includes obstacles such as ditches, mud, fallen trees, streams, flight of stairs, fences, and gates; artificial hurdles are added to insufficiently challenging natural courses. Cyclo-cross races are usually held from September to March, adding winter weather hazards to the challenge.
    There is a massed start with the field assembling not more than two abreast. Helpers are often stationed around the course with spare bicycles in case the original machine encounters mechanical difficulties or becomes too weighted down by mud picked up to the course.
According ro the passage, which of the following is NOT true about cyclo-cross?
选项 A、The cyclists sometimes have to carry the bicycles instead of riding them.
B、The riders in the race are arranged side by side in two lines.
C、All the riders start simultaneously on the starting line.
D、The riders are allowed to change their machines.
答案C
解析 细节题。A项可以在第一段中得到，选手有时会扛着自行车；B项在第四段第一行可以得到，选手被安排成两两发车；D项在第四段第二句，会有助手准备了备用自行车在旁边等着；只有C项说所有的选手都同时在起跑线出发，与原文不符。
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