Branford reef is().
A、a hard sand shoal marked with a light
B、completely submerged at all stages of the tide
C、surrounded by rocks awash at low water spring tides
D、a small,low,sandy islet surrounded by shoal water
A、a hard sand shoal marked with a light
B、completely submerged at all stages of the tide
C、surrounded by rocks awash at low water spring tides
D、a small,low,sandy islet surrounded by shoal water
A、with part of it extending above the water B、that can be detected by water turbulence C、that drops off sharply D、perpendicular to the current
A、the shore is bluff and rocky B、of offshore exposed rocks C、submerged reefs cause prominent breakers D、the lookout tower is marked with radar reflectors
A、it has the most beautiful seascape in the world B、it has the greatest number of islands in the world C、it has the most diverse and complex marine life in the world D、it has the longest coast in the world
A、A.bring the sails parallel to the wind B、B.reduce sail area exposed to the wind C、C.allow the sails to catch more wind D、D.remove all tension on the main and jib sheets
A、IS09000、IS09001、IS09004、IS019011、ISO20000 B、IS09000、IS09001、IS019011、ISO20000 C、IS09000、IS09001、IS09004、ISO20000 D、IS09000、IS09004、IS019011、ISO20000 E、IS09000、IS09001、IS09004、IS019011