Students who consistently do homework perform better academically than those who do not do homework.
那些一直完成家庭作业的孩子比那些不做家庭作业的孩子在学习上取得的成绩更好。
Academically, black children at 17 perform no better than a white 13-year-old.
教育方面，17岁黑人孩子的成绩比不过13岁的白人。
According to studies such as those by Posten and Falbo of the Guttmacher Institute, China's solo children perform significantly better academically than peers with siblings.
根据古特马赫研究所的Posten和Falbo的研究显示，中国的独生子女比那些有兄弟姐妹的孩子在学业上的表现更加突出。
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