In some countries young people are encouraged to work or tra

In some countries young people are encouraged to work or travel for a year betwe

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"Be his fellow-worker and accomplice" in Paragraph 1 means t

"Be his fellow-worker and accomplice" in Paragraph 1 means to__________

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下列数列属于由两个时期数列对比构成的相对数或平均数时间数列的是( )。

下列数列属于由两个时期数列对比构成的相对数或平均数时间数列的是( )。

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某企业2009年的净利润为50万元,该年度的资产平均总额为200万元。则该企业的资产报酬率是(  )。

某企业2009年的净利润为50万元,该年度的资产平均总额为200万元。则该企业的资产报酬率是(  )。

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