单项选择题
Safety-management objectives of the Company should establish safeguards （） all identified risks.
A.with B.without C.against D.above
单项选择题 Ship fire-fighting organization includes （）.
单项选择题 The fire-fighting practical training should take place in spaces which provide truly realistic training conditions, and whenever possible and practical should be carried out in （）.
单项选择题 The main causes of fire on board ships are （）
