柴油机运转过程中()属于热力过程。A.加热过程 B.排气过程 C.吸气过程 D.压缩

题型:单项选择题

问题:

柴油机运转过程中()属于热力过程。

A.加热过程

B.排气过程

C.吸气过程

D.压缩过程

考点:采油工考试采油初级工考试采油初级工考试题库
题型:单项选择题
中学生在成长的过程中总会遇到不同的烦恼,以下是一些学生的自述和生活老师的解决办法,请你给予合理的配对。
小题1:I borrowed Jimmy’s favorite storybook last week. But I can’t find it now. I think I have left it somewhere.
小题2:I was criticized seriously by my Chinese teacher when I was sleeping in the class. Now I don’t like Chinese classes as before. It makes me feel embarrassed.
小题3:I had forgotten to turn off the mobile phone before I entered the classroom. It rang for a long time in the class. None of my classmates have criticized me, but I am upset about it now.
小题4:I have dreamt of volunteering to clean the city park, but I am afraid that others will laugh at me. They may think I am a cleaner.
小题5:I think I am creative. I always have some new ideas. And I spend lots of time trying to invent something . But my parents let me spend all the time in the school subjects..
A. If I were your Chinese teacher, I would be angry, too. So I think you should realize yourself first. Then have a talk with your teacher and tell him you won’t do that again.
B. We shouldn’t laugh at cleaners. We can’t live a clean life without them. So don’t be shy and be a volunteer as you have dreamt.
C. You’d better buy a new book for him. And then you can explain to him what has happened. Remember to say sorry to him.
D. According to your description, I can see that you are a very nice child. I think you can give a small speech to apologize (道歉) to them after class.
E. I think a creative child should be encouraged. Why not make a good plan with your parents? You can spend most time in school subjects. And in your spare time, you can try your ideas.
题型:单项选择题

粘稠石油沥青材料的三大指标是()。

A.强度、稳定性、抗滑性

B.针入度、延度、软化点

C.温度稳定性、气候稳定性、不透水性

D.和易度、强度、耐久度

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南疆

题型:单项选择题

K2CO3、CaO双磺防塌钻井液抑制性()。

A、很弱

B、弱

C、没有

D、强

题型:单项选择题

根据《SF6高压断路器状态评价标准》,其累计开断短路电流值小于但达到厂家规定值的80%,应扣分值为()。

A.16

B.24

C.32

D.40

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