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【单选题】
设有两个串s和!,判断t是否为s子串的算法称为A.
求子串
B.
串联接
C.
串匹配
D.
求串长
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皮皮学刷刷变学霸
举一反三
【单选题】If an oligopolist reduces the price of its product relative to its competitors:
A.
some customers will switch to rival firms.
B.
the number of customers it has will likely remain unchanged.
C.
some customers will switch from rival firms to buy from him.
D.
rival firms are unlikely to react.
【单选题】If an oligopolist reduces the price of its product:
A.
It may get some customers to switch from rival firms if they don’t respond by reducing their prices.
B.
It may not get some customers to switch from rival firms if they respond by reducing their prices.
C.
It does not know whether its profits will rise or fall without knowing how rivals will change their prices in response.
D.
All of the above are true.
【多选题】从总体上看,防火墙应具有以下属于防火墙应具有的基本功能的是
A.
过滤进出网络的数据包
B.
管理进出网络的访问行为
C.
记录通过防火墙的信息内容和活动
D.
封堵某些禁止的访问行为
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