问题 单项选择题

根据《火灾自动报警系统设计规范》(GB50116-2013)的规定,消防控制室内的设备面盘至墙的距离不应小于()m。

A.1.0

B.1.5

C.2

D.2.5

答案

参考答案:B

解析:消防控制室内设备面盘前的操作距离,单列布置时不应小于1.5m;双列布置时不应小于2m;在值班人员经常工作的一面,设备面盘至墙的距离不应小于3m;设备面盘后的维修距离不宜小于1m。

单项选择题
阅读理解

Reading comprehension.

     My father was chief engineer of a merchant ship, which was sunk in world war. The book night of the

U-boats told the story.

     Memories

     In September, 1940, my mother, sister and I went to Swansea, where my father 's ship was getting ready

to sail,we brought him a family photography to be kept with him at all times and keep him safe.

     Then I remember my mother lying face down, sobbing. She had heard from a friend that the ship had

been sunk by a torpedo (鱼雷).

     I can remember the arrived of the telegram (电板), which in those days always brought bad news. My

grandmother opened it, it read, safe. love dad."

     My most vivid memory is being woken and brought down to sit on my father's knee, his arm in a bandage.

     He was judged unfit to return to sea and took a shore job in Glasgow for the rest of the war, for as long

as I can remember, he had a weak heart,mother said it was caused by the torpedoes. He said it was because

of the cigarette, whichever, he died suddenly in his early 50s.

     Ten years later I read night of the U-boat and able to complete the story.

     A toast 

     In my room there is the book and the photograph. Often, glass in hand, I have wondered how I would have

dealt with an explosion, a sinking ship, a jump into a vast ocean and a wait for rescue lest (以免) we forget  

I have some more whisky and toast the heroes of the war.

1. We can infer that the mother and children went to Swansea _____.

A. to meet a friend

B. to see the father

C. to take a family

D. to enjoy the sailing of the ship

2. What did the author learn about the father from the telegram?

A. he was still alive

B. his knee was broken

C. his ship had been sunk

D. he had arrived in Glasgow

3. The underlined word "it" in paragraph 6 refers to the father 's _____.

A. weak heart

B. taking a shore job

C. failure to return

D. injury caused by a torpedo

4. What can we know about the author 's father after his ship was attacked?

A. He lost his arm.

B. He repaired the engines.

C. He managed to take a lifeboat.

D. He was the last to leave the ship.

5 What is the passage mainly about?

A. A group of forgotten heroes.

B. A book describing a terrifying battle.

C. A ship engineer's wartime experience.

D. A merchant's memories of a sea rescue.