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【单选题】
下面( )函数是回溯法中为避免无效搜索采取的策略A.
递归函数
B.
剪枝函数
C.
随机数函数
D.
搜索函数
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反馈参考答案：
举一反三
【单选题】In the case of Roger, how the social worker Annick helped him define himself as an entrepreneur?
A.
She didn't help him at all and he committed suicide.
B.
She got him a job working on the assembly line of a Chinese car company.
C.
She found a course for Roger to train for a new job.
D.
She found a psychologist that he could talk to.
E.
She helped him turn his hobby of carpentry into a freelance enterprise.
【单选题】The criminal was told he would be immune ____ punishment if he helped the police.
A.
from
B.
against
C.
out of
D.
by
【简答题】What was the age of the worker? He was______.
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