按地层的种类分为()。A.硬岩盾构(TBM) B.封闭式盾构 C.敞开式盾构

题型:单项选择题

问题:

按地层的种类分为()。

A.硬岩盾构(TBM)

B.封闭式盾构

C.敞开式盾构

考点:盾构机操作工考试盾构机操作工技师盾构机操作工技师题库
题型:单项选择题

阅读理解。

     Jack was ten years old and he was a very lazy boy. He didn't like doing any work. He had to go to

school, of course, but he didn't study hard there and tried to do little work. His father and mother were

both doctors and they hoped that their son would become one too when he grew up. But one day Jack

said to his mother, "When I finish school, I want to be a dustman (垃圾工)."

     "A dustman?" his mother asked. She was very surprised. "That's not a good job. Why do you want

to become a dustman?"

     "Because I would only have to work one day a week," Jack answered at once.

     "Only one day a week?" his mother said. "What do you mean? And how do you know?"

     "Well," Jack answered, "I know that the dustmen came to work on Thursday every week, because

I only see them on that day."

1. How was Jack doing at school? [ ]

A. He liked his school.

B. He worked hard at school.

C. He didn't study hard at school.

D. He tried to do much work at school.

2. Jack's parents wanted their son to be a            . [ ]

A. doctor

B. dustman

C. teacher

D. worker

3. Jack hoped to be a dustman because he thought            . [ ]

A. that job was very important

B. the dustman worked only Thursday

C. he could make more money

D. that was a dirty job

4. Jack's mother felt surprised at his hope of being a dustman, because            .[ ]

A. their son was too young to be a dustman

B. a dustman worked only one day a week

C. it was hard to get such a job

D. that was not a good job

5. What do you think of Jack? [ ]

A. He was not very clever.

B. He was very lazy.

C. He liked the dustman's work.

D. He didn't want to be a doctor.

题型:单项选择题

—I've made so much progress. That's all because of your help. Thank you very much.

— ________. [ ]

A. Not at all

B. With pleasure

C. It doesn't matter

D. Never mind

题型:单项选择题

北方地区的民居墙体较南方地区厚,朝北的窗户较小的原因是

A.保温、防风的需要

B.降水少

C.传统文化决定的

D.黄土层厚

题型:单项选择题

“验证力的平行四边形定则”的实验情况如图(2)所示,

①本实验采用的科学方法______

A.理想实验法

B.等效替代法

C.控制变量法

D.放大法

②有关此实验,下列叙述正确的是______

A.两弹簧测力计的拉力方向的夹角越大误差越小

B.橡皮筋的拉力是合力,两弹簧测力计的拉力是分力

C.两次拉橡皮筋时,需将橡皮筋结点拉到同一位置O.

这样做的目的是保证两次弹簧测力计拉力的效果相同

D.若只增大某一只弹簧测力计的拉力大小而要保证橡皮筋结点位置不变,只需调整另一只弹簧测力计拉力的大小即可.

③如图(3)所示是两位同学在做验证共点力合成时得到的结果,其中______图比较合符试验事实.

④在研究共点力合成的实验中,得到如图(4)所示的合力F与两分力闻夹角θ的关系图线,由此可得两分力的大小分别是______N、______N.

题型:单项选择题

下列项目属于所有者权益的是( )。

A.对外投资

B.短期借款

C.资本溢价

D.销售商品收入

更多题库