单项选择题
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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相关考题
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单项选择题
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 -
单项选择题
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 -
单项选择题
Since the engine doesn’t work well, you’d better （） as soon as possible.
A.reduce its speed
B.find out its trouble
C.eliminate its trouble
D.all the above
