◎ 题干
It seems that the aged people _________ the H7N9 more easily from the recent cases.   
[     ]
A. pick up      
B. mix up      
C. set up      
D. use up    
◎ 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“It seems that the aged people _________ the H7N9 more easily from the recent cases.[ ]A. pick up B. mix upC. set up D. use up …”主要考查了你对  【固定搭配】  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。