单项选择题
The most important reason for taking anti-seasickness pills as soon as possible after entering a liferaft is to（）.
A.assist in sleeping B.reduce appetite by decreasing nausea C.prevent loss of body moisture by vomiting D.prevent impaired judgement due to motion-induced deliriousness
单项选择题 The limit switches on a ships survival-craft winch system（）.
单项选择题 The lights on the outside of the canopy on an inflatable liferaft operate（）.
单项选择题 The inside light in an inflatable liferaft is turned on（）.
