航海英語(yǔ)航海圖書資料單項(xiàng)選擇題每日一練(2019.01.08)

單項(xiàng)選擇題
Charts showing the coast of Mexico are produced by the United States（）.
A.National Geospatial-Intelligence Agency
B.Coast Guard
C.Naval Observatory
D.National Ocean Service
單項(xiàng)選擇題
The short-long dashed，magenta lines parallel to York River Entrance Channel mark（）．
A.fish trap areas
B.naval exercise areas
C.underwater cables
D.recommended track lines
單項(xiàng)選擇題
ETA／PILOT REVERTING means （）．
A.ETA pilot station has been given
B.ETA pilot station will be given afterwards
C.ETA pilot station was not given
D.ETA pilot station is given
單項(xiàng)選擇題
Mean high water is the average height of（）.
A.The higher high waters
B.The lower high waters
C.The lower of the two daily tides
D.All high waters
單項(xiàng)選擇題
Monsoons are characterized by （）.
A.light，variable winds with little or no humidity
B.strong，gusty winds that blow from the same general direction all year
C.steady winds that reverse direction semiannually
D.strong，cyclonic winds that change direction to conform to the passage of an extreme low pressure system