单选题（）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.AThe bulbous bowBThe anchorCThe bow thrusterDThe propeller
单选题
（）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
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解析：
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