Man was, is and always will be trying to improve his living conditions. <div></div>

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第1题

[单选题] A racetrack turn would be better than a Williamson turn in recovering a man overboard if （）.

A、the man has been missing for a period of time B、the sea water is very cold and the man is visible C、there is thick fog D、the wind was from astern on the original course

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第2题

[单选题] A racetrack turn would be better than a Williamson turn in recovering a man overboard if（）.

A、the man has been missing for a period of time B、the sea water is very cold and the man is visible C、there is thick fog D、the wind was from astern on the original course

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第3题

[单选题] In the book"Nature",Emerson stated that（）

A、man.s relationship with nature transcends the idea of usefulness B、nature is useful to man C、nature is independent of man and has nothing to do with man D、nature can only be used by man

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第4题

[] Which of the following statements represents the correct action to take when three crew members discover a fire?（）

A、A.One man report the fire, and the other two men fight the fire B、B.One man report the fire, one man fight the fire, and one man evacuate and secure the area C、C.One man report the fire, one man fight the fire, and one man act as a safety observer D、D.All three men fight the fire and report it immediately after it is extinguished

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第5题

[单选题] A user receives an email slating that their account was compromised and there is a need to verify account credentials by submitting the correct information on a website. Which of the following security threats is occurring?（）

A、Phishing B、Smurf attack C、Denial of service D、Man-in-the-middle

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第6题

[填空题] There is nothing so admirable as a man whose sacrifices his life and happiness for others.

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第7题

[单选题] A man was sighted as he fell overboard. After completing a Williamson turn，the man is not sighted. What type of search should be conducted?（）

A、Expanding circle B、Sector search C、Parallel track pattern D、Datum-drift search

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第8题

[单选题] Lucky is the man who has no "skeleton in his closet". When a man has done something in his life that he is ashamed of, that he wants to hide, he is said to have a "skeleton in his closet". Some people may have more than one skeleton. As we have noted many times, it is hard to find out how these expressions begin. Sometimes, we get some hard facts. But more often we have to depend on guesswork. And that is true of this phrase, which came from England. Before 1932, English law did not permit a doctor to cut open a dead human body for scientific examination, unless it was the corpse (尸体) of an executed (处决) criminal. But when it became legal, more and more doctors demanded skeletons for a more scientific study of medicine. It was helping in the advance of modern medicine. The demand had become so strong that men began to rob tombs and sell skeletons to doctors at high prices. We are told that a doctor would usually buy just one skeleton for s

A、尸体 B、标本 C、收藏 D、骷髅

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第9题

[单选题] A technician is replacing a processor in a workstation. After installation, the workstation starts up and immediately shuts down; the technician tries to start the workstation several more times and gets the same result. Which of the following is the cause of this issue?（）

A、The workstation is not plugged in. B、The thermal paste was not applied. C、The memory was not installed properly. D、The L2 cache was not cleared.

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