根据以下资料,回答题。Text 4

根据以下资料,回答题。Text 4When the government talks about infrastructure contributing to

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28. Epley found that people with higher self-esteem tended t

28. Epley found that people with higher self-esteem tended to______A.underestima

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某测验题的满分为15分,考生在该题上的平均得分为4.5分,则该题的难度值约为(  )。

某测验题的满分为15分,考生在该题上的平均得分为4.5分,则该题的难度值约为(  )。A.0.30 B.0.43 C.0.55 D.0.64

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