Which one is NOT one of the four stoks?
A. compression stroke
B. combustion stroke
C. power stroke
D. intake stroke
查看答案
Which one is the component of the engine?
A. radiator
B. fan
C. coolant passage
D. cylinder
Which part is the heart of the automobile?
A. cylinder
B. piston
C. engine
D. valve
Which one implies the corect order of the four strokes?
A. intake, exhaust, power, and compression
B. intake, power, compression, and exhaust
C. intake, power, exhaust, and comression
D. intake, compression, power, and exhaust
Which one implies the function of an engine?
A. convert fuel into air
B. convert fuel into motion
C. convert fuel into heat
D. convert fuel into water
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