单项选择题
A.mirage effects B.sea smoke C.extensive snowfall D.false horizons
In order to retrieve an inflatable liferaft and place i...
单项选择题In order to retrieve an inflatable liferaft and place it on deck，you should heave on the （）.
A.lifelines B.righting strap C.sea anchor D.towing bridle
In many areas “atoll” clouds (clouds of vertical develo...
单项选择题In many areas “atoll” clouds (clouds of vertical development) are produced over small islands. These are the result of（）.
A.rising air currents produced by the warm islands B.warm air from the sea rising over higher land areas C.cool land air mixing with warm sea air D.descending air over the islands
In good weather，you should deploy the sea anchor from t...
单项选择题In good weather，you should deploy the sea anchor from the liferaft to（）.
A.keep the liferaft from capsizing B.navigate against the current C.keep personnel from getting seasick D.stay in the general location
