根据以下材料,回答题:The purpose of the author in writing the passage

根据以下材料,回答题:The purpose of the author in writing the passage is________.(  )

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What is NOT suggested for a book review in this passage?

What is NOT suggested for a book review in this passage?

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What can we infer from the conversation?

What can we infer from the conversation?

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2010年上海世博会期间,某高校有14名志愿者参加接待工作,若每天排早、中、晚三班,每班4人,每人每天最多值一班,则开幕

2010年上海世博会期间,某高校有14名志愿者参加接待工作,若每天排早、中、晚三班,每班4人,每人每天最多值一班,则开幕式当天不同的排班种数为( )

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请填写答案:__________

请填写答案:__________

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