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【多选题】
属于传统防火墙的类型有A.
包过滤
B.
远程磁盘镜像技术
C.
电路层网关
D.
应用层网关
E.
入侵检测技术
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举一反三
【单选题】What is the professor's opinion of The Medium is the Message?
A.
It is a good source of information about cultural history.
B.
Its ideas are becoming less relevant today than in the past.
C.
It was the first book to argue that television was bad for society.
D.
It will influence how the students think about communication.
【判断题】Arbitrage is the process of taking advantage of differences in prices of the same good by buying where the good is cheap and selling where it is expensive.
A.
正确
B.
错误
【单选题】In my hometown, the old over 100 years old __ not only by their family but also by the government . A. B. good care of C. is taken good care of D. are take good care of
A.
is taken good care
B.
are taken good care
C.
is taken good care of
D.
are taken good care of
【判断题】When a production possibilities frontier is bowed outward, the opportunity cost of the second good in terms of the first good increases as more of the second good is produced.
A.
正确
B.
错误
【单选题】The cross elasticity of demand for good X with respect to the price of good Y is negative. Good X is a normal good and good Y is an inferior good. The supply of good X is perfectly elastic. A rise in ...
A.
will raise
B.
will lower
C.
will have no effect
D.
initially raise and then lower
【判断题】When a production possibilities frontier is bowed outward, the opportunity cost of the first good in terms of the second good increases as more of the second good is produced.
A.
正确
B.
错误
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