题目内容

Components ______ the engine are: oil pan, oil filter.

A. at the top of
B. at the bottom of
C. at the front of
D. at the rear of

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The automobile engine is an ______ combustion engine.

A. internal
B. inside
C. interior
D. index

In some engines, the cylinder_____ also carries the camshaft .

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

These four strokes are intake stroke, _____ stroke, power stroke and exhaust stroke.

A. compressed
B. compression
C. compressing
D. compress

The intake stroke ______ at top dead centre with the intake valve open and the exhaust valve closed.

A. ends
B. commences
C. terminates
D. concluded