◎ 题干
It is only      people know the importance of science      science can really serve the people.
A.that; whenB.when; thatC.then; thatD.that; then
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“It is only people know the importance of science science can really serve the people.A.that; whenB.when; thatC.then; thatD.that; then…”主要考查了你对  【状语从句】【限制性定语从句】【主语从句】【同位语从句】  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。