问题
选择题
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
答案：A
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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：A