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航海英语海上天气现象单项选择题每日一练(2018.10.16)

  • 单项选择题

    A()is created by a pressure gradient or slope in the water level.

    A.gradient current
    B.density current
    C.swift current
    D.torrent current

  • 单项选择题

    ()are experienced in temperate latitudes during warn summer weather but rarely exceed Force 3 and may extend 10 to 15 miles on either side of the coastline.

    A.Trade Winds
    B.Winds of the temperate zones
    C.Monsoons
    D.Land and Sea Breezes

  • 单项选择题

    Wen a hurricane passes over colder water or land and loses its tropical characteristics,the storm becomes a(n)().

    A.High pressure area
    B.Extratropical low-pressure system
    C.Tropical storm
    D.Easterly wave

  • 单项选择题

    In the relatively calm area near the hurricane center,the seas are().

    A.moderate but easily navigated
    B.calm
    C.mountainous and confused
    D.mountainous but fairly regular as far as direction is concerned

  • 单项选择题

    In the Northern Hemisphere,the right half of the storm is known as the dangerous semicircle because().

    A.the wind speed is greater here since the wind is traveling in the same general direction as the storm's track
    B.the direction of the wind and seas might carry a vessel into the path of the storm
    C.the seas are higher because of greater wind speed
    D.All of the above

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