牵引列车的机车在出段前车轮踏面磨耗深度不超过7mm,采用轮缘高度为25mm的磨耗型踏

题型:单项选择题

问题:

牵引列车的机车在出段前车轮踏面磨耗深度不超过7mm,采用轮缘高度为25mm的磨耗型踏面时,其磨耗深度不超过()mm。

A、8

B、9

C、10

D、11

考点:技术科工艺组管理岗位技术科工艺组管理岗位题库
题型:单项选择题

动词填空用括号内所给动词的适当形式填空。(本大题共8小题,每小题1分,共8分)

小题1:Jane is such a kind girl that she always             (reply) to anyone with a smile on her face.

小题2:By the end of the 20th century, the weather             (affect) people’s life a lot.

小题3:I’m surprised to find that the price of bread             (rise) by 15% recently.

小题4:Have you ever thought about devoting all your life to             (support) different charities?

小题5:It’s said that women in Kingdom of Saudi Arabia           (not allow) to drive all the time.

小题6:Though there’s enough time, I prefer          (complete) the task quickly first to spend more time on my hobbies.

小题7:— Mary, could you help me?

— Wait a moment. I        (argue) about what colour to wear at tonight’s party with my elder sister.

小题8:The notice says that anyone who breaks the school rules             (punish) by our principal.

题型:单项选择题

食管癌早期诊断简易而有效的方法,是()

A.X线食管钡透

B.食管镜检查

C.带网气囊检查

D.气管镜检查

E.同位素扫描

题型:单项选择题

路面工程施工中,级配砾石或天然砾石用做基层时,CBR值不应小于( )。

A.40%

B.50%

C.60%

D.70%

题型:单项选择题

表现顾客在各种心理成分上的一致性,能正确评价认识自己,能及时地调整个性中的矛盾成分,使其心理和行为保持一致的个性特征是()

A、独特性

B、稳定性

C、整体性

D、可塑性

题型:单项选择题

钻井过程中最主要的污染物是()。

A.H2S;

B.盐水;

C.CO2

D.钻屑。

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