以下关于网络入侵检测系统的组成结构的讨论中，哪个是错误的？——
A. 网络入侵检测系统一般由控制台和探测器组成
B. 控制台提供图形界面来进行数据查询、查看警报并配置传感器
C. 探测器的基本功能是捕获网络数据包，并对数据包进行分析和判断
D. 控制台和探测器之间的通信是不加密的
查看答案
听力原文：W: Has Andrew ever worked on a newspaper before？
M: No, not exactly, but he used to edit a magazine in his spare time when he was in college.
Q: What can be inferred from the conversation？
(15)
Andrew is an undergraduate student.
B. Andrew has worked on a newspaper before.
C. Andrew does not want to work on a newspaper.
D. Andrew ever worked as a part-time magazine editor.
增加自发性消费将使储蓄增加。 ()
A. 正确
B. 错误
听力原文：M: You can teach Jim a more pleasant way. You'll spoil his appetite.
W: Maybe you're right. I shouldn't have blamed him before I taught him.
Q: What can we learn from the conversation？
(18)
A. The man made a bad suggestion.
B. The woman will take the man's advice.
C. The woman has taught Jim in a pleasant way.
D. The man has spoiled the peaceful atmosphere.
A．Dogs have a natural instinct to guide the blind.B．Horses have a natural instinct to
A. Dogs have a natural instinct to guide the blind.
B. Horses have a natural instinct to return home.
C. Guide dogs sometimes may not obey their masters.
D. Racing horses are less smart than the other horses.
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