The principal advantage of NAVTEX radio warnings is that（）.

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  A . Sea water is heated to boiling temperature while under a vacuum B . Sea water is passed over heated plates in a thin film C . Heated sea water is injected into a vacuum chamber D . Sea water is forced through a heated eductor

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• The advantage of the control equipment is（）

  A . that the transmitter is on the bridge B . that local manual control can be achieved C . that remote control can be achieved D . simple in construction and reliable in operatio

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• Stability is determined principally by the location of the center of gravity and the（）.

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• The item（）is not the advantage of the hydraulic winch．

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• For Krashen, the affective filter is the principal source of individual difference in second language acquisition.（）

  A . 正确 B . 错误

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• What is the operating principal of a flash type evaporator?（）

  A . Sea water is heated to boiling temperature under a vacuum B . Sea water is passed over heated plates in a thin film C . Heated sea water is injected into a vacuum chamber D . Sea water is forced through a heated eductor

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• There shall be two principal （） through the harbor for the passage of vessels of over 60 tons burden．

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• The advantage of geostationary satellites is（）.

  A . the range of antenna can cover everywhere in the world B . we can know the ship’s exact position C . that the distress alert can be located as soon as possible D . antenna of permanent earth stations may be directed towards fixed points in the sky

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• 35. The principal purpose of adjustment of the magnetic compass is to eliminate _____ as far as possible.

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• Which is not the advantage of FRA?

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• John Ruskin was the leading English art critic of the Victorian era. In his Modern Painters, he argued that the principal role of the artist is ( ).

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• The volume of trade has increased tremendously to the advantage of both countries.

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• Which of the following is not mentioned as the advantages of OTC drug?

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• The principal business of a lawyer is______.

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  A．Videogame addiction in children. B．Positive effects of addictions. C．Families concern about their children’s addiction to videogames. D．Treatment for videogame addiction.

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• The principal of collection is usually （）

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• My uncle is________ principal of the No.1 middle school.

  A．a B．an C．the D．/

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• Who are the principal gods of the ancient Greek religion？

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• The principal author of the Declaration of Independence was___（）

  A．Benjamin Franklin B．Thomas Jefferson C．John Adams D．George Washington

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