◎ 题干
If all business goes paperless, at least one million tons of paper will be ______  a year.  
[     ]
A. used
B. saved
C. copied
D. offered
◎ 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“If all business goes paperless, at least one million tons of paper will be ______ a year.[ ]A. usedB. savedC. copiedD. offered…”主要考查了你对  【实义动词】  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。