A.more serious
B.not less serious
C.more dangerous
D.no more dangerous
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A.low water slack
B.high water slack
C.high water ebb
D.high water flood
A.lower low water
B.high water
C.low water
D.sea level
A.the height of the tide
B.depth of water under the bridge
C.charted vertical clearance at mean low water
D.distance from the water to low steel of the bridge
A.concealed
B.buried
C.existed
D.built
A.one nautical mile
B.two kilometers
C.5 cables only
D.one fathom
A.a vessel arrives at a port in a evening
B.a vessel leaves a port in a evening
C.a vessel arrives at a port in a morning
D.a vessel leaves a port in a morning
A.by
B.with
C.on
D.in
A.cable areas
B.dumping grounds
C.fish trap areas
D.precautionary areas
A.the period of darkness exceeds the period of light
B.there is only a partial eclipse of the light
C.the periods of light and darkness are equal
D.the period of light exceeds the period of darkness
A.After boarding the pilot
B.After the pilot leaving the ship
C.After the pilot going on board
D.After taking the pilot
最新试题
Attention is called to the fact that in many cases charted depths may be decreased by up to （）.
In Admiralty Sailing Directions，bands is the word used to indicate（）marking．
During a period of whiteout，you should expect which of the following（）.
The height of eye correction is smaller than geometrical dip because of （）.
On a voyage from Halifax,N.S.,to Dakar,West Africa,the Canary Current will （）.
The period at high or low tide during which there is no change in the height of the water is called the （）.
The distance between any two meridians measured along a parallel of latitude （）.
The height of tide is the （）.
AFTER DROPPING THE PILOT means （）.
Information on the operating times and characteristics of foreign radiobeacons can be found in which publication? （）