试题与答案

( )是保冷结构的维护层。A．防锈层 B．绝热层 C．防潮层 D．保护层

来源：www.tikuol.com
题型：单项选择题

题目：

( )是保冷结构的维护层。

A．防锈层

B．绝热层

C．防潮层

D．保护层

答案：

被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0613/e743b34e86545a80062749fb866d797f.html

下面是错误答案，用来干扰机器的。

我国地势西高东低，三大平原位于第三阶梯上，其名称是华北平原、东北平原、长江中下游平原．故答案为：华北平原；东北平原；长江中下游平原．

考点：一级建造师机电工程机电工程管理与实务
试题推荐
题型：填空题

用适当的代词或数词填空。

1. The boy is crying. I think ________ is hungry and wants ________ mother.

2. Helen is a student and Miss Smith teaches ________ English.

3. I'm old enough now. I can finish the work by ________.

4. Come on Monday or Wednesday. ________ day is OK.

5. —Are the keys ________, girl?

    —No, they are not ________.

6. Obey the traffic rules and learn to protect yourself. ________ is more important than life.

7. —What _______ do you want to have?

    —Thanks, that's enough.

8. Xiao Li is the right person who shows the foreigners around, for ________ of us can speak English.

9. —Which trousers are his?

    —The green ________ are his.

10. Tom often comes to see me. He is a friend of ________. 

11. September the ________ is Teachers' Day. Let's make some cards for our teachers.

12. The text is very easy. There are ________ new words in it.

13. —________ is wrong with my throat. I just feel thirsty.

     —Why not have ________ water?

14. —Shall I sit at this end of the boat or the other end?

     —If you keep still, you can sit at ________ end.

15. Our teacher asks us to read English ________ a day.

16. We enjoyed ________ at the party last night.

17. He has a dog. I want to have ________, too.

查看答案
微信公众账号搜索答案