◎ 题干
—Some young people like reading novels on their mobile phones after turning off the light at night.
—Don’t you think it is        to their eyes?
A.helpful B.helpless
C.harmful D.harmless
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“—Some young people like reading novels on their mobile phones after turning off the light at night.—Don’t you think it is to their eyes?A.helpfulB.helplessC.h…”主要考查了你对  【形容词的比较级,形容词的最高级】【时间副词】【地点副词】【副词】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。