搜题
王老师:19139051760(拨打)
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第1题

在社会调查中,以下哪项是数据收集的第一步
·收集数据
·制定假设
·解释结果
·提出研究问题
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第2题

Jay spends all his free time_________.( )
· paint
· painting
· painted
· paints
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第3题

As days _________, a deep friendship begato develop betweethem. ( )
·went by
· went in
· went pass
· went ou
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第4题

The soldiers prefer to ________ rather tha________.( )
· die, surrender
· died, surrendered
· dies, surrenders<
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