◎ 题干
You should first read the             carefully before you use a new product.    
[      ]
A. introductions                
B. instructions    
C. explanations                  
D. reasons
◎ 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“You should first read the carefully before you use a new product. [ ]A. introductions B. instructions C. explanationsD. reasons…”主要考查了你对  【名词】  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。