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（）.

单项选择题 STCW78/95 states that the office in charge of the engineering watch is the representative （）.