问题 单项选择题

竖向井道的设置不符合现行国家工程建设消防技术标准的要求的是()。

A.建筑的竖向井道,均分别独立设置,井壁耐火极限不低于1.00h

B.建筑内的垃圾斗采用难燃烧材料制作,应能自行关闭

C.电梯井内不得敷设与电梯无关的电缆、电线等

D.电梯门的耐火极限不低于1.00h,并同时符合相关完整性和隔热性要求

答案

参考答案:B

解析:

竖向井道的设置:

(1)建筑的电缆井、管道井、排(气)烟道、垃圾道等竖向井道,均应分别独立设置。井壁耐火极限不低于1.00h,井壁上的检查门为丙级防火门。

(2)建筑内的垃圾道排气口应直接开向室外,垃圾斗采用不燃材料制作,并能自行关闭。

(3)电梯井独立设置。井内严禁敷设可燃气体和甲、乙、丙类液体管道,且不得敷设与电梯无关的电缆、电线等。电梯门的耐火极限不低于1.00h,并同时符合相关完整性和隔热性要求。

阅读理解

Read and choose. (阅读短文,选择正确答案)                                      

                                                      A Friendly American Family

     The Smiths are Americans. They are now in Beijing.  This is their first visit to China. They are going

to stay in China for two months. They want to visit some cities and villages(村庄). They hope to learn

some Chinese, too.

     Mr Smith is a doctor.  He will visit a hospital in Shanghai. Mrs Smith is a school teacher.  She is

going to some schools in cities and villages. Their daughter is a primary school student. She wants to

meet some Chinese students.

     They are going to take a lot of pictures in China.  When they are back in America, they will show

the pictures to their friends. They want the American people to know more about China.

1. Where are the Smiths from?              

A. Canada.            

B. America.            

C.  China.

2. What do they want to do in China?               

A. Teach English.    

B. Play games.          

C. Visit some cities and villages.

3. Where does Mrs Smith work?                      

A. In a restaurant.    

B. In a hospital.          

C. In a school.

4. Who wants to meet the Chinese students?              

A. Mr Smith's daughter.

B. Mr and Mrs Smith.

C. Mr Smith and her daughter.

5. What do they want to do when they are back home?              

A. Show the pictures of China to their friends.

B. Have a good rest.

C. Clean their house.

单项选择题