滚动支架适用于( )。 A.管道上不允许有任何方向的线位移和角位移的支承点 B.管

题型:单项选择题

问题:

滚动支架适用于( )。

A.管道上不允许有任何方向的线位移和角位移的支承点
B.管道上不允许有任何方向的垂直位移的支吊点
C.管道上不允许有任何方向的水平位移的支撑点
D.管道上不允许有垂直位移且需减少摩擦力的支撑点

考点:注册公用设备工程师动力专业案例汽车房工艺设计
题型:单项选择题

给加粗的字选择正确的读音。

1.这(shǔ  shù)不清的条石,全是靠无(shǔ  shù)的肩膀抬上来的。

2.要把这么(zhòng  chóng)的条石抬上山,真是困难(zhòng  chóng)重。

3.你答(yīng  yìng)别人的事情,就(yīng  yìng)该做到。

题型:单项选择题

下列各组中属于同系物的是(     )                                     

A.葡萄糖和果糖

B.甲烷和乙烷

C.16O和18O

D.金刚石和石墨

题型:单项选择题

This was one of my experiences (1) . When I was in my 30s, I was working for a large international company which had its head office in London. I was working in the (2) department.

The company had a training centre which was just outside London. Different courses were held there throughout (3) and I (4) go on one training course a year. These usually started (5) a Sunday evening and lasted six days.

Once I was (6) a week’s training course with about forty (7) sales people. I was in the bar on the Friday evening and suddenly a woman who was (8) behind the bar asked mea curious question. "I hope you don’t (9) my asking," she said, "but I’ve been (10) about it all week. Have you got a sister (11) Mary" The woman’s name was June. And she used to do various jobs at the training centre. She worked in the office, she organized all the food and drink for the centre and she worked in the bar at lunchtime and in the evening.

My answer (12) June’s question was "Yes", and June said, "I thought (13) . I met her last September when she was organizing a course here. " At that time, my sister was working for (14) company but in a different part of the country. That was (15) she came to be at the training centre.

(16) surprised me was how June guessed we were brother and sister. Three things made it even more (17) . First, she had met my sister six months before she met me. Second, they have about sixty new people every week at the training centre. So about one thousand five hundred people had (18) the centre in those six months. And (19) , my sister is married, so she doesn’t have the same family name as me.

We’re not (20) , but I guess we must look quite like each other.

14().

A.the same

B.a different

C.another

D.the other

题型:单项选择题

若可接受的检查风险水平低,则()。

A.实质性测试应需适中的样本和适量的证据

B.实质性测试只需较小的样本和较少的证据

C.实质性测试就需较大的样本和较多的证据

D.实质性测试需要的样本和证据与可接受的检查风险水平高低无关

题型:单项选择题

吸气阀片装好后,用旋具失去能量调节装置中的油活塞,使()转动,顶杆顶动阀门上下移动。

A.活塞环

B.活动环

C.刮油环

D.转动环

更多题库