单项选择题 All member of the engineering watch shall be familiar with assigned watch-keeping dutiesIn addition, every member shall, with respect to the ship they are serving in have knowledge of（） Ⅰ.the use of appropriate internal communication systems Ⅱ.the use of GMDSS Ⅲ.the escape routes from machinery space Ⅳ.the number location and types of fire-fighting equipment in the machinery spaces

单项选择题 When deciding the composition of the engineering watch, which may include appropriately qualified ratings, following criteria shall be taken into account（） Ⅰ.the type of ship Ⅱ.the type and condition of the machinery Ⅲ.the safety of life, ship, cargo and port Ⅳ.the observance of international, national and local regulations

单项选择题 When deciding the composition of the engineering watch, which may include appropriately, many factors shall be taken into account（）.