◎ 题干
The boy________  "Little Tiger", because he is very brave.
[     ]
A. refers to    
B. is referred to
C. refers to as    
D. is referred to as
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“The boy________"Little Tiger", because he is very brave.[ ]A. refers toB. is referred toC. refers to asD. is referred to as…”主要考查了你对  【被动语态】【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。