because of the increased demand of oil from China and India,the prices of oil,iron,and other important resources have __
问题描述：
because of the increased demand of oil from China and India,the prices of oil,iron,and other important resources have _____doubled since the early 1990s.填一个词,填什么好?
答
almost 差不多
价格差不多翻了两倍!
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