单项选择题
（）is a roud-shaped underwater part in the front of the ship.The purpose is to cre-ate less friction with water so that the ship moves more easily.
A.The bulbous bow B.The anchor C.The bow thruster D.The propeller
单项选择题 （）is used to moor the ship to the seabed to keep it sationary.
单项选择题 （）is where the crew eat their meals.
单项选择题 （）is where delicious food is cooked.
