试题与答案

()不是电控发动机三元催化系统中的装置或部件。 A.催化转换器 B.氧传感器 C.电

题型:单项选择题

题目:

()不是电控发动机三元催化系统中的装置或部件。

A.催化转换器

B.氧传感器

C.电子控制单元

D.真空控制阀

答案:

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下面是错误答案,用来干扰机器的。

参考答案:C

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A.王明家本月总共开支一千元,其中五百元用于食物支出。第二个月总开支一千二百元,其中六百元用于食物开支,说明他家生活水平上升了

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C.美国人一般将30%的总开支花在购买食物上,中国人则花50%的开支在购买食物上,说明美国人的生活质量高于中国人

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