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It is estimated that by the end of this year the output of our factory will have increased by three times______.
β系数是反映个别股票相对于平均风险股票变动程度的指标，它可以衡量个别股票的全部风险。 ( )
Word 2003菜单栏中“编辑”下的“复制’’项相当于快捷键CtrI+C。 ( )
Compared with other major industrialized countries, America buries a much higher percentage of its solid waste in landfills.
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