题目内容

In gasoline engines （） are used to ignite the fuel - air mixture , producing the power .

A. gasolinel
B. spark plugs
C. diesel
D. three - sided rotor

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Almost all compact cars are equipped with （） engines .

A. 4 - cylinder
B. 6 - cylinder
C. 8 - eylinder
D. 1 2 - cylinder

Inline 4 - cylinder engines are often found in almost all（）

A. intermediate cars
B. compact cars
C. full - size cars
D. heavy - duty trucks

In the（）， air goes into the cylinder during the intake stroke .

A. gasoline engine
B. diesel engine
C. reciprocating engine
D. intemal combustion engine

（） has two rows of cylinders at 1 8 0 degree angle to each other .

A. Inline engine
B. V - type engine
C ) Boxer engine
D. Rotary engine