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【单选题】
目前广域网常采用的网络拓扑结构是( )A.
B.
环型
C.
网状型
D.
总线型
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反馈参考答案：
举一反三
【简答题】Strategic alliance may bring negative effects to firms if not properly managed.
【单选题】A monopolistically competitive market
A.
may have too many or too few firms, and the government can intervene to achieve the optimal number of firms.
B.
may have too many or too few firms, but the government can do little to rectify the situation.
C.
usually has too many firms, reducing the economic profit of each firm to zero.
D.
usually has too few firms, reducing the product variety for consumers.
【单选题】Which of the following is NOT true of small firms?
A.
It may be unnecessary for them to send people to colleges.
B.
They cannot afford to send people to colleges.
C.
Their employees may be promoted more quickly.
D.
They may offer positions which you demand.
【单选题】A firms new marketing approach may not work perfectly because of______.
A.
lack of an information system
B.
limited ability to satisfy customers' needs
C.
difficulty in developing tailored products
D.
all of the above
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