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單項(xiàng)選擇題

（） the cylinder walls, the heat passes through them by conduction.

A.When receiving by
B.When received by
C.In order to receiving
D.In order to receive

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單項(xiàng)選擇題

The hot expanding gas rotates the blades of the exhaust turbine, thus （） a large of its power, （） drives the compressor.

A.to give off；which
B.giving off；which
C.to give off；that
D.giving off；that

單項(xiàng)選擇題

In the combustion chamber, the part whose surface is exposed to the highest temperature is the （）.

A.cylinder liner
B.cylinder cover
C.piston
D.exhaust valve