11.The growth of the railroads led to the abolition of local times, which was determined by when the sun reached the observer's meridian and differing from city to city, and to the establishment of regional times.
D: determined by when the sun reached the observer's meridian and differed
E: determined by when the sun reached the observer's meidian and differing
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发表于 2007-10-9 12:54:00
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