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The steel industry has changed radically over the last two decades, as large, integrated companies such as Bethlehem Steel once conducted operations from mining at one end of the process to shipping at the other have greatly downsized, or in some cases shut down altogether.
A. as large, integrated companies such as Bethlehem Steel B. as large, integrated companies, such as Bethlehem Steel, that C. with large, integrated companies, such as Bethlehem Steel, that D. while large, integrated companies, such as Bethlehem Steel, that and large, integrated companies such as Bethlehem Steel 这道题我觉得A B都行 为什么选B 有逗号加that这样用的吗 好像别扭 | 
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发表于 2009-10-19 21:54:00
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