A.concealed
B.buried
C.existed
D.built
您可能感興趣的試卷
你可能感興趣的試題
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
最新試題
Attention is called to the fact that in many cases charted depths may be decreased by up to （）.
An occulting light is one in which （）.
AFTER DROPPING THE PILOT means （）.
Clearances of bridges and overhead cables below Bonneville Dam refer to heights in feet above mean （）.
A pilot vessel on pilotage duty at night will show sidelights and a sternlight （）.
Lateral movement of the vessel to leeward of its course defines （）.
Areas enclosed by a long and short dashed magenta line indicate （）.
The Earth’s irregular heating is caused by （）.
The distance between any two meridians measured along a parallel of latitude （）.
As these features are not all charted，special caution should be exercised （） vessels navigating in the vicinity.