You do not have common sense.



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送交者: boxer 于 2005-2-24, 15:32:30:

回答: 50年代美苏都大规模开垦过草原并引起过黑风暴. 由 fagus 于 2005-2-24, 14:02:53:

In 1950s, you do not have any opportunity to 开垦草原 in US. The society was highly developed, there was no open lands for this kind of developing.

Even if you have a chance to 大规模开垦草原 in 1950s', the 黑风暴 could come at lease several decades later.

Please, please double check your data before you make a point.



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