问题
选择题
52. The struggle against sand storm will not end _____ victory unless we pay much attention to the balance of nature.
A．at
B．in
C．for
D．With
答案
答案：B
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52. The struggle against sand storm will not end _____ victory unless we pay much attention to the balance of nature.
A．at
B．in
C．for
D．With
答案：B
