问题
选择题
These measures are aimed _____ A/H1N1 from spreading. [ ]
A. to stop
B. to stopping
C. at stopping
D. in stopping
答案
答案：C
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These measures are aimed _____ A/H1N1 from spreading. [ ]
A. to stop
B. to stopping
C. at stopping
D. in stopping
答案：C