以下（）项不是最短路径优先(Open ShortestPathFirst，OSPF)协议的特点。
A. 使用分布式的链路状态协议(Link State Protocol)
B. 路由器发送的信息是本路由器与哪些路由器相邻以及链路状态信息
C. 当链路状态发生变化时仅向相邻的路由器发送此信息
D. 所有的路由器最终都能建立一个链路状态数据库(Link State Database)，这个数据库实际上就是全网的拓扑结构图
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In such a(an) ______ competition, not few businessmen went bankruptcy.
A. intense
B. tense
C. intensive
D. extensive
It can be inferred from the passage that the mathematical theory of games ______.
A. has been developed by scientists with an interest in genetics
B. is useful in explaining some biological phenomenon
C. got some inspiration from the work of Fisher
D. emphasize the optimization of the total sum
The new cut in interest rate ______ romote domestic investment.
A. means to
B. directs toward
C. is meant to
D. leads to
When did the custom of wearing new clothes on Easter begin
Around 300 A. D.
B. During the Middle Ages.
C. Around the time of the second Christian emperor.
D. In the 500 A.D.
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