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【单选题】
关于非结构化P2P网络的描述中，错误的是A.
支持带有规则表达式的多关键字查询和模糊查询
B.
在大规模网络中具有很高的查询效率
C.
无法保证查找资源的确定性
D.
采用类似TTL的机制决定是否转发消息
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反馈参考答案：
举一反三
【单选题】Terry's father was a man who ______.
A.
was proud of his garden and liked showing it off
B.
was very sociable towards his neighbours
C.
preferred to keep himself to himself
D.
felt jealous of the people in Jenkins Street
【单选题】Dongdong’s father was so tired ______ a day’s work that he went to bed early.
A.
after
B.
before
C.
in
D.
out
【单选题】— Dongdong, ____ toy car is that? — It’s ____.
A.
who’s; her s
B.
whose; mine
C.
whose; her
D.
who’s; my
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