已知液化石油气在15℃时的液相各组分的摩尔成分(%)为=47.39%,=52.61%

题型:单项选择题

问题:

已知液化石油气在15℃时的液相各组分的摩尔成分(%)为=47.39%,=52.61%,则15℃时,液相平衡状态下的各组分的相平衡常数ki分别为()。

A.1.522,0.427

B.1.522,0.472

C.0.592,0.427

D.0.592,0.529

考点:注册公用设备工程师动力专业案例勘察设计注册公用设备工程师动力专业案例
题型:单项选择题

甲同学说话时,在5s内声带振动1500次,乙同学说话时,在1min内声带振动7200 次,乙同学发声的频率是_______Hz,_________同学的音调高。

题型:单项选择题

患者男,42岁。因长期便秘来诊(每3d排便1次),症状自成年后一直存在。家族史:父亲于57岁时诊断为结直肠腺瘤;堂兄于54岁时死于结直肠癌;无其他亲属患结直肠息肉、结直肠癌或其他恶性疾病。按目前关于结直肠癌的筛查标准,暂不必要进行的检查是()。

A.粪隐血试验

B.可曲式乙状结肠镜

C.粪隐血试验和乙状结肠镜

D.气钡双重对比造影

E.结肠镜检查

题型:单项选择题
完形填空
     Although I love my life, it hasn't been a lot of fun as I've been ill for 28 years.
     Music has always been a great love of mine and, in my 20s, when my__1__ was more manageable,
I __2__ ten years as a professional singer in restaurants, playing and singing folk songs.__3__ that was
years ago and times have changed.__4__I live with my mother on a country farm.
     Two years ago, I decided that I would need to have some kind of extra work to__5__ my disability
pension (残疾抚恤金). __6__ I needed to sleep in the afternoons, I was limited in my __7__.I decided
that I would consider __8__to singing in restaurants.
     My family are all musicians, so I was__9__ when I went into our local music store.I explained that I
wanted to sing again but using recorded karaoke music.I knew that discs were very expensive and I really didn't have a lot of __10__ to get started.And__11__ you find only three to four songs out of ten on a
disc that you can __12__use.
     When I told the owner of the shop about my __13__, he gave me a long, thoughtful __14__."This
means a lot to you, doesn't it?" he said."Come with me."
     He led me __15__the crowded shop and to a bench with a large professional karaoke box on it.He
placed his large hand __16__ on his treasure and said, "I have 800 karaoke songs in here.You can take
your __17__and I'll record them for you.That should get you started."
     I __18__.Thanking him, I made a time with him to listen to all the songs and choose__19__ that I
could sing.I have come full circle with his help.
     His __20__ still warms my heart and makes me do just that bit extra, when I have the chance.
( )1. A. loneliness    
( )2. A. set          
( )3. A. Gladly        
( )4. A. Now          
( )5. A. add up to    
( )6. A. If            
( )7. A. movement      
( )8. A. reaching out  
( )9. A. recognized    
( )10. A. money        
( )11. A. thus        
( )12. A. actually    
( )13. A. job          
( )14. A. face        
( )15. A. over        
( )16. A. unhappily    
( )17. A. pick        
( )18. A. had to cry  
( )19. A. more        
( )20. A. courage      
B. sadness        
B. enjoyed        
B. Eventually      
B. Then            
B. make up for    
B. As              
B. condition      
B. living up      
B. interviewed    
B. time            
B. once            
B. hardly          
B. family          
B. view            
B. along          
B. lovingly        
B. turn            
B. ought to cry    
B. the ones        
B. devotion        
C. tiredness          
C. kept              
C. Unfortunately      
C. Sometime          
C. get rid of        
C. Though            
C. choices            
C. getting on        
C. found              
C. energy            
C. seldom            
C. nearly            
C. idea              
C. look              
C. towards            
C. pitifully          
C. role              
C. should have cried  
C. few                
C. kindness          
D. sickness            
D. shared              
D. Surprisingly        
D. Meanwhile            
D. take advantage of    
D. Before              
D. positions            
D. going back          
D. invited              
D. knowledge            
D. often                
D. formerly            
D. offer                
D. sight                
D. through              
D. gratefully          
D. step                
D. could have cried    
D. the rest            
D. trust                
题型:单项选择题

某企业2007年7月1日从银行借入期限为5年的长期借款400万元,编制2011年12月31日资产负债表时,此项借款不应填入的报表项日有( )。

A.短期借款

B.长期借款

C.其他长期负债

D.一年内到期的非流动负债

题型:单项选择题

轴柱下独立基础的埋深为( )。

A.-1.200

B.-1.500

C.-4.200

D.-4.500

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