目前空调工程中,下面常用的保温材料中,()只能用于保热管道。 A.岩棉 B.玻璃棉

题型:单项选择题

问题:

目前空调工程中,下面常用的保温材料中,()只能用于保热管道。

A.岩棉

B.玻璃棉

C.聚氨酯

D.聚乙烯

考点:施工员专业基础知识专业基础知识题库
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.

8().

A.hearing

B.waiting

C.serving

D.seeing

题型:单项选择题

凝汽器水位过高有什么害处?

题型:单项选择题

下列各项中,有利于钙吸收的是()。

A.脂肪消化不良

B.草酸盐、植酸盐

C.纤维素

D.乳糖

E.蛋白质

题型:单项选择题

显影范围仅限于身体某一部位或某一脏器的显像称为()

A.静态显像

B.局部显像

C.断层显像

D.动态显像

E.阴性显像

题型:单项选择题

首先将权力划分为职务权力和个 * * 力的是()。

A.泰罗

B.法约尔

C.韦伯

D.罗素

更多题库