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【单选题】
某轮航向SE,航速20kn,测得视风向为正南,风速为14 m/s,其真A.
225，10 m/s
B.
45，10 m/s
C.
225，20 m/s
D.
45，20 m/s
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【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 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: “ _______________________________________________________________________________________.
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