◎ 题干
The UN _____ the documents to save the environment in 2007 and they work well all over the world now.
[     ]
A. drew up
B. built up
C. gave up
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
    根据n多题专家分析,试题“The UN _____ the documents to save the environment in 2007 and they work well all over the world now. [ ]A. drew up B. built up C. gave up …”主要考查了你对  【动词短语】  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。