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【单选题】
装有电子燃油喷射系统的发动机在怠速不稳,甲说氧传感器损坏可引起此现象;可能是怠速空气控制系统有故障。你认为( )。A.
甲正确
B.
乙正确
C.
两人均正确
D.
两人均不正确
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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】Which pf the following used the Internet first?
A.
Hospitals.
B.
Universities.
C.
Banks.
D.
The government.
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