【判断题】【消耗次数：1】
爆震是汽油发动机中一种正常的燃烧方式
①
正确
②
错误
参考答案：
复制
纠错
➡️如需代学继续教育，联系微信：yizhituziang
相关题目
【简答题】
爆震是汽油发动机一种[填空]的燃烧。
【单选题】
技术师傅甲说：混合气过稀或过浓，燃烧室积炭过多，发动机爆震或早燃会引起发动机过热；技术师傅乙说：缺机油、机油过稠、机油老化变质会引起发动机过热
①
甲说的对
②
乙说的对
③
甲乙说的都对
④
甲乙说的都不对
【简答题】
爆震与点火提前角，汽油的[填空]有关。
随机题目
【单选题】
Greater efforts to increase agricultural production must be made if food shortage ＿＿＿＿＿＿ avoided.
①
is to be
②
can be
③
has been
④
will be
【单选题】
There was a knock at the door. It was the second time someone ＿＿＿＿＿ me that evening.
①
to have interrupted
②
would have interrupted
③
to interrupt
④
had interrupted
【单选题】
He didn’t show up at the party yesterday. He ＿＿＿＿ in the lab.
①
must have been busy working
②
must be busy wording
③
must be busy to work
④
would have been busy working
【单选题】
Marlin is an independent man who is not about ＿＿＿＿＿ on his parents any more.
①
having relied
②
to rely
③
relying
④
to have relied
【单选题】
It ＿＿＿＿＿ for over a month and the downpour had damaged many houses.
①
has rained cats and dogs
②
has been raining heavily
③
rained heavily
④
had been raining cats and dogs
【单选题】
Between 1897 and 1919, at least 29 motion pictures ＿＿＿＿＿ .
①
have been produced
②
had been produced
③
had produced
④
would have produced
【单选题】
At the age of twenty-three, Emily ＿＿＿＿＿＿ a businessman of her own choice.
①
had been married
②
had married
③
married
④
was married
【单选题】
In order to improve English, ＿＿＿＿＿＿.
①
Jane’s father bought her a lot of tapes
②
Jane bought a lot of tapes for herself
③
a lot of tapes were bought for her by Jane’s father
④
a lot of tapes were bought by Jane
【单选题】
I ＿＿＿＿＿＿ to stay here if I can.
①
have been meaning
②
mean
③
am meaning
④
have meant
【单选题】
They had only ＿＿＿＿＿＿＿＿＿ in that house for three weeks when fire destroyed it.
①
to live
②
living
③
lived
④
been lived