某同学读书10遍刚刚好能背诵下来,他需要再读( )遍才能达到最好的效果。A.5 B.10 C.15 D.20

作者: tihaiku 人气: - 评论: 0
问题 某同学读书10遍刚刚好能背诵下来,他需要再读( )遍才能达到最好的效果。
选项 A.5 B.10 C.15 D.20
答案 A
解析 实验证明,过度学习达到50%,即学习的熟练程度达到150%时,学习的效果最好。10x 150%-10 = 5。

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