单项选择题
（）is used to moor the ship to the seabed to keep it sationary.
A.The bulbous bow B.The anchor C.The bow thruster D.The propeller
单项选择题 （）is where the crew eat their meals.
单项选择题 （）is where delicious food is cooked.
单项选择题 （）is housed in a plastic dome for weather protection.
