It was not until 1911, _______ the first vitamin was identified, _______ people realized the importance of it．A．when; whichB．when; thatC．that; whichD．that; t-高中英语-n多题

◎ 题干

It was not until 1911, _______ the first vitamin was identified, _______ people realized the importance of it．

A．when; which

B．when; that

C．that; which

D．that; that

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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 was not until 1911, _______ the first vitamin was identified, _______ people realized the importance of it．A．when; whichB．when; thatC．that; whichD．that; t…”主要考查了你对【强调句】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。

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