题目内容
（请给出正确答案）
[单选题]
In gasoline engines（）are used to ignite the fuel-air mixture,producing the power.
A.3-side rotor
B.gasoline
C.spark plugs
D.diesel
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题目内容
（请给出正确答案）
如果结果不匹配，请 联系老师 获取答案
题目内容
（请给出正确答案）
A.3-side rotor
B.gasoline
C.spark plugs
D.diesel
如果结果不匹配，请 联系老师 获取答案
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