简述雨水管渠系统布置的原则。

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问题:

简述雨水管渠系统布置的原则。

考点:交通运输工程道路工程道路工程题库
题型:问答题 简答题
完形填空。
     All over the world people enjoy sports. Sports are   1   people's health. Many people like to watch   2   play
sports games. They buy tickets   3   turn on their TV sets to sit   4   them. Sports   5   with the season. People
play   6   games in different seasons. Sometimes they play inside the room, sometimes they play outside. We
can   7   sports here and there. Some sports are rather interesting.   8   people   9   different countries cannot
understand each other, but after a game they often become very  10   to each other.
(   ) 1. A. good for 
(   ) 2. A. other    
(   ) 3. A. and      
(   ) 4. A. in front 
(   ) 5. A. change   
(   ) 6. A. same     
(   ) 7. A. see      
(   ) 8. A. Sometimes
(   ) 9. A. from     
(   )10. A. friend                         
B. good at       
B. others        
B. but             
B. in the front 
B. are          
 B. different      
B. look           
B. When         
B. to             
B. friendly                     
C. good                  
C. the other           
C. or                         
C. in the front of  
C. play                    
C. the same            
C. find                   
C.  Or                   
C. outside                 
C. friends          
D. good to         
D. the others      
D. so              
D. in front of     
D. start           
D. the different   
D. watch           
D. So              
D. inside          
D. more friendly   
题型:问答题 简答题

关于放射性皮炎,叙述错误的是()

A.放射性皮炎是由各种类型电离辐射,如α、β、γ、X射线、电子、质子照射皮肤、黏膜引起

B.电离辐射能引起皮肤炎症、萎缩、色素紊乱甚至癌肿形成

C.可分为急性和慢性放射性皮炎

D.应立即脱离辐射源或污染区,口服抗组胺药物,严重的急性放射性皮炎可短期应用糖皮质激素制剂

E.放射造成的影响仅局限于照射部位皮肤

题型:问答题 简答题

血浆渗透压的变化幅度为多少时即可引起抗利尿激素分泌的调节

A.1%

B.2%

C.3%

D.5%

E.5%以上

题型:问答题 简答题

管道顶进应连续作业,遇()情况时,应停止顶进。

A.工具管前方遇到障碍

B.后背墙变形严重

C.顶力接近管端的允许顶力

D.顶铁发生扭曲现象

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简述手机的发展概况。

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