Scientists are warning that ________ emissions of carbon (碳排放) are cut, we could be heading for an environmental disaster.A．beforeB．asC．unlessD．in case-高中英语-n多题

◎ 题干

Scientists are warning that ________ emissions of carbon (碳排放) are cut, we could be heading for an environmental disaster.

A．before	B．as
C．unless	D．in case

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◎ 解析

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◎ 知识点

根据n多题专家分析，试题“ Scientists are warning that ________ emissions of carbon (碳排放) are cut, we could be heading for an environmental disaster.A．beforeB．asC．unlessD．in case…”主要考查了你对【并列连词】，【从属连词】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。

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