Poor grades are usually the result of___________.A.poor sleeping habit B.laz...

作者: tihaiku 人气: - 评论: 0

问题 Poor grades are usually the result of___________.

选项 A.poor sleeping habit B.laziness C.lack of sleep D.inability to form good study habits

答案 D

解析由第二段第四句话“poor grades are often a result of poor study habits”可知成绩差是由不良的学习习惯造成的结果。因此答案为D。

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