题目内容

The cylinder ______ is the largest part of the engine.

A. block
B. head
C. valve
D. port

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In some engines,the cylinder block also carries the ______ .

A. camshaft
B. crankshaft
C. shaft
D. countershaft

The cylinders and pistons are in the upper of the cylinder block and the______ is in the lower part.

A. crankshaft
B. camshaft
C. countershaft
D. shaft

______ acts as a reservoir for the enginer oil.

A. oil pan
B. fuel tank
C. oil pump
D. oil filter

The intake _____carries the air-fuel mixture into the engine.

A. manifold
B. port
C. hose
D. pipe

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