◎ 题干
All people, ________ they are old or young, rich or poor, have been trying their best to help those in
need since the disaster.
[     ]
A. even if  
B. whether
C. no matter  
D. however
◎ 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“All people, ________ they are old or young, rich or poor, have been trying their best to help those inneed since the disaster.[ ]A. even ifB. whetherC. no ma…”主要考查了你对  【从属连词】  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。