单项选择题
All engines in lifeboats and rescue boats shall be run for a total period of not less than（）in weekly inspections.
A.2 minutes B.3 minutes C.4 minutes D.5 Minutes
单项选择题 The master shall ensure that any seafarers（）are provided with an adequate period of rest.
单项选择题 The hatch at the after end of the canopy in a lifeboat（）the after lifting hook, painter, and tow line.
单项选择题 How many hours of rest is the minimum required in a normal day?（）
