某变配电间(所处地区大气压为101325Pa)的余热量为40kW,室外计算通风温度为

题型:单项选择题

问题:

某变配电间(所处地区大气压为101325Pa)的余热量为40kW,室外计算通风温度为32℃,计算相对湿度为72%,现在要求室内温度不超过40℃,试问机械通风系统排除余热的最小风量是下列哪一项()。

A.12000~13400kg/h

B.13560~14300kg/h

C.14600~15300kg/h

D.16500~18000kg/h

考点:注册公用设备工程师暖通空调专业案例暖通空调专业案例
题型:单项选择题
完型填空:仔细阅读下面短文,从题后所给的ABCD四个选项中选出最佳答案。
                                                   How to practice spoken English?
      How can we practice our spoken English?
      The first and the most important thing is to believe   1  . You should always be full of confidence or you   2  
be able to improve your English. You should often encourage yourself. "Come on, don't be afraid!"
      You should never lose heart and never give up. 
      Maybe you are afraid of losing face, but you should think since we are students and we're   3  , there's no
need to worry   4   anything. You must always be active in practice. There's no problem that your pronunciation
and intonation (语调) can't be as good   5   the native people because we are Chinese, and we don't have
chances to live in foreign countries and talk with the people there   6  . But you must know that the main way to
study English is to make ourselves understood and   7   other people. You should believe that native speakers will
not laugh at you.   8   they will encourage you. So if you are brave enough you'll certainly make a rapid progress
in your   9   English. 
        10   be shy or afraid! Just have a try.
( ) 1. A. itself           
( ) 2. A. can’t never     
( ) 3. A. 1earning         
( ) 4. A. /               
( ) 5. A. so               
( ) 6. A. for some time    
( ) 7. A. to be understood 
( ) 8. A. so               
( ) 9. A. speaking         
( ) 10. A. Don’t           
B. yourself     
B. are never 
B. saying     
B. to         
B. with       
B. sometime     
B. understand         
B. instead      
B. speech       
B. Not       
C. themselves   
C. will        
C. students     
C. about        
C. as         
C. sometimes    
C. understood         
C. or           
C. spoken       
C. No        
D. myself          
D. will never     
D. teaching        
D. for             
D. that            
D. all the time    
D. understanding   
D. nor             
D. spoke           
D. Do           
题型:单项选择题

下述骨折患者进行功能锻炼的注意事项中错误的是()

A.功能锻炼必须以患者为中心,根据患者本人意愿和感觉来进行

B.功能锻炼必须在医务人员指导下进行

C.功能锻炼应根据骨折的稳定程度,从轻微活动开始逐渐增加活动量和活动时间,防止骤然剧烈活动使骨折端再移位

D.功能锻炼还需防止个别患者在医务人员正确指导下不敢进行锻炼,应耐心说服

E.功能锻炼以加速骨折愈合与恢复患肢功能为目的,对骨折有利的活动应鼓励,要严防不利的活动

题型:单项选择题

据统计数据显示,2008年8月份我国共发行国债706亿元,发行期数3期。与股票相比,国债(   )

A.从性质上看,它是所有权证书

B.从风险上看,它的安全性最小

C.从偿还上看,它可以还本付息

D.从发行上看,它的主体是银行

题型:单项选择题

假设需求的收入弹性系数为0.5,那么当收入变动5%时,需求量变动:()

A.0.5%

B.2.5%

C.4.5%

D.5.5%

题型:单项选择题

CDMA 2000 EVDO网络中,AN-AAA与AN之间的接口是()

A.A12

B.A13

C.A14

D.A15

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