当吊具中心线和集装箱中心线偏离距离不大于（）时，司机不必重新行走小车。 ["200mm","300mm","400mm","500mm"]
To determine the number of able seamen required on an inspected vessel，you should check the （）. ["Load Line Certificate","operations manual","Safety of Life at Sea Certificate","Certificate of Inspectio"]
起火点多，火势迅速、不易控制。直接扑灭的可能性不是很大，采取间接扑灭的战术是比校合适的。
收缩式吊具收缩到最小尺寸时可起吊（）集装箱。 ["20ft","40ft","45ft"]
陪同病人进入无人管理的电梯时，护士应该（） ["请病人先进入电梯","自己先进入并操控电梯","请病人家属先进入电梯","谁方便谁先进入电梯"]
怎样在摄影中正确运用色彩？
