Choose the word which is different from the rest.

The answer is B, quay. A quay is a structure alongside a body of water, such as a river or harbor, that is used for loading and unloading ships. The other options are all parts of a ship.

• A deck is the main horizontal surface of a ship.
• The stern is the rear end of a ship.
• The bow is the front end of a ship.
• A mast is a tall, vertical pole that supports the sails of a ship.