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标题: GMAT-4-17请教求解思路 [打印本页]

作者: sv2000 时间: 2005-11-11 15:49
标题: GMAT-4-17请教求解思路

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.

as large, integrated companies such as Bethlehem Steel

as large, integrated companies, such as Bethlehem Steel, that

with large, integrated companies, such as Bethlehem Steel, that

while large, integrated companies, such as Bethlehem Steel, that

and large, integrated companies such as Bethlehem Steel

作者: yangsh 时间: 2005-11-11 17:46
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