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單項選擇題

When the fuel oil is burning in the combustion chamber, it （）.

A.gives up large amount of heat
B.gives off large amount of heat
C.gives up large amount of steam
D.gives off large amount of steam

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單項選擇題

After the ship is out of the harbour and in “Full Speed”, well change （）.

A.to fuel oil instead of diesel oil
B.for fuel oil instead of diesel oil
C.to diesel oil into fuel oil
D.for diesel oil into fuel oil

單項選擇題

A diesel engine burns （） a gasoline engine of the same capacity in the same period of time.

A.as much fuel as
B.less fuel than
C.less fuel as
D.more fuel than

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