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【单选题】
以下哪一项陈述是正确的A.
年轻人比老年人犯错误的频率一般会更高
B.
错误只会发生于那些愚蠢的人身上，聪明人是不会犯错误的
C.
人犯错误的倾向，错误是人类行为的必然组成部分
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反馈参考答案：
举一反三
【单选题】(73) is the first line of protect between your computer and the public Internet.
A.
The Internet protocol
B.
The firewall
C.
The anti-virus software
D.
The intrusion-detection systems
【简答题】Choose the best answer for each of
the following questions according to Text B. Which is
not mentioned as a merit that the Internet brings to people in the first
paragraph?A. People can easily get inf...
【单选题】20100273(73) is the first line of protect between your computer and the public Internet.
A.
The Internet protocol
B.
The firewall
C.
The anti-virus software
D.
The intrusion-detection systems
【单选题】Which of the following statements about the Internet is true?
A.
ARPA was the first net used by American universities and institutions.
B.
The history of the Internet can be traced back to fifty years ago.
C.
The purpose of the Internet is to protect the world in the event of war.
D.
ARPAnet formed the foundation of the Internet nowadays.
【单选题】Which company was the first to advertise on the Internet?
A.
ATT
B.
McDonald's
C.
Sony
【简答题】当你想表达自己想成为一名科学家时,可以这样说: “ _______________________________________________________________________________________.
【单选题】() is the first Iine of protect between your computer and the public Internet.
A.
The Internet protocol
B.
The firewall
C.
The anti-virus software
D.
The intrusion-detection systems
【单选题】Which pf the following used the Internet first?
A.
Hospitals.
B.
Universities.
C.
Banks.
D.
The government.
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