根据《建筑设计防火规范(21301年版)》(GB16--87),消防车道的宽度不应小

题型:单项选择题

问题:

根据《建筑设计防火规范(21301年版)》(GB16--87),消防车道的宽度不应小于()。

A.6m

B.5.5m

C.4m

D.3.5m

考点:安全评价师安全评价基础知识安全评价基础知识题库
题型:单项选择题

阅读理解。

Lifts are very useful. Why?Think about a tall building. You work on the thirtieth fIoor. Maybe you can 

walk up all the stairs one time. But can you climb thirty floors to your office every day? Of course not.

In an old lift, a worker is needed. He or she operates it up and down, In a modern lift , there is no worker. People can operate it themselves.

Do you know how to use a lift? Ok, let me tell you. For exarnple, you want to go to the twelfth floor from  the ground floor. First, you must press the button(按键) then the door opens. After that you can get

into the lift. Third,you press the , and the door closes. Fourth ,you press the number, then the lift

takes you up to the twelfth floor. When the door opens again, you can get out of the lift. If you want to go

down to the first floor, you must press the , then do the same. It takes you down there. It is very easy

and fast, Now can you use it?

根据短文内容,判断下列句子正误.正确的在括号内写"T",错误的写"F"。

( )l.  In a modern lift,people can operate it by themselves.

(     ) 2. If you want to go upstairs , you must press the .

(     ) 3. If you want to go down to the first floor ,you must press the.

(     )4.  In a tall building, it is very easy and fast for you to go up and down in a lift.

(     )5.  Lifts are just used for the old people to go up and down in a tall building.

题型:单项选择题

基于以下题干:
一位专门报道考古发现的记者要采访六处考古发掘现场:Q、R、S、T、V和X。采访的具体安排由下列条件决定:
(1)采访必须从Q或者x开始。
(2)采访必须以V或者X结束。
(3)对V的采访必须被安排紧接在S之后。
(4)对S的采访必须被安排在R之后。

如果T被安排在x之前采访,并且在T和x之间只安排—‘处采访对象,则下列哪一项必定为真( )

A.Q被安排第二个采访。

B.R被安排第三个采访。

C.S被安排第四个采访。

D.x被安排第六个采访。

题型:单项选择题

简述什么是心理断乳期?

题型:单项选择题

试用理论和实践的辩证关系原理,说明认真学习邓 * * 理论和,三个代表重要思想的重要意义。

题型:单项选择题

放射性同位素标记的某种物质注入金丝雀体内,经过一段时间后检测,放射性物质主要集中在新生细胞的细胞核。该注入物质最有可能是()

A.脱氧核苷酸

B.脱氧核糖核酸

C.氨基酸

D.核糖核苷酸

更多题库