单项选择题
A.less moisture than cold air B.more moisture than cold air C.the same amount of moisture as cold air D.moisture independent of air temperature
Horizontal subdivision decks forming watertight compart...
单项选择题Horizontal subdivision decks forming watertight compartments in the columns of a semisubmersible ship increase the unit’s（）.
A.tank capacities B.stability in the event of damage C.towing speed D.anchor holding ratio
High pressure and low pressure alarms must be tested（）....
单项选择题High pressure and low pressure alarms must be tested（）.
A.no earlier than 24 hours prior to loading B.no later than 24 hours prior to loading C.anytime prior to loading D.weekly
High clouds，composed of small white flakes or scaly glo...
单项选择题High clouds，composed of small white flakes or scaly globular masses，and often banded together to form a “mackerel sky”，would be classified as（）.
A.cirrus B.cirrocumulus C.altostratus D.cumulonimbus
