制订船舶火灾应急计划时应考虑保护机舱、驾驶台、船员居住舱室、装有危险货物的货舱等船舶重点部位。
参考答案：对
You may depend on that they will look after your daughter when you are away.
A．them
B．this
C．her
D．it
A．a为动滑轮，B端钢缆受到滑轮组的拉力大小约为3G
B．a为动滑轮，B端钢缆受到滑轮组的拉力大小约为G
C．a、c为动滑轮，B端钢缆受到滑轮组的拉力大小约为3G
D．a、c为动滑轮，B端钢缆受到滑轮组的拉力大小约为G
G
G