◎ 题干
This machine is mainly ______ three parts. 
[     ]
A. made up  
B. made up of  
C. made of  
D. made from
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“This machine is mainly ______ three parts.[ ]A. made upB. made up ofC. made ofD. made from …”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。