PCM的码元传输速率（）抽样速率，△M的码元传输速率（）抽样速率。

题型：填空题

问题：

PCM的码元传输速率（）抽样速率，△M的码元传输速率（）抽样速率。

考点：电子与通信技术通信原理通信原理题库
题型：填空题
完型填空。
     In the United States there was an unusual tale telling of the daughter of a mechanic (技工). One day while
walking along the bank of a lake, the girl   1   to see 20 eggs laid by a wild goose. After some time the girl   2   
the mother would not return to her eggs and she   3   to take them home. There she carefully   4   the eggs in
the heat of a lamp. Several days   5   the eggs broke and the baby geese came into the   6  . Geese are known
to take the first living thing they see as their mother.   7  , to these young geese, the girl was their mother.
     As they   8  , the girl was able to   9   her birds to run across the grass, but she could not teach them to  10 .
The girl became increasingly worried about this, both when  11  and in her dreams. Later, she had an  12 : She
would pilot a plane to guide them in  13 . She asked her father for a plane and he assembled (组装) a small
aircraft for her.
     Caring about  14  safety, the father decided to pilot the plane himself. However, the birds did not  15  or
follow him, and  16  slept in the grass.
     One day, the girl  17  into the plane, started it and soon left the  18 . Seeing their mother take to the air, the
birds  19  flapped (拍打) their wings and  20 . She flew the plane freely in the sky, her young birds following.
( )1. A. managed     
( )2. A. realized    
( )3. A. helped      
( )4. A. placed      
( )5. A. ago         
( )6. A. family      
( )7. A. But         
( )8. A. increased   
( )9. A. ask         
( )10. A. fly        
( )11. A. asleep     
( )12. A. idea       
( )13. A. sky        
( )14. A. his        
( )15. A. respect    
( )16. A. so         
( )17. A. climbed    
( )18. A. house      
( )19. A. secretly   
( )20. A. looked away      		B. attempted            
B. expected          
B. decided            
B. protected        
B. out                 
B. lake               
B. Also                
B. improved         
B. lead                
B. race               
B. away               
B. opinion            
B. heaven             
B. her                 
B. remember          
B. instead            
B. looked             
B. floor                
B. disappointedly      
B. set out          		C. happened          
C. imagined       
C. afforded         
C. treated        
C. later            
C. home            
C. Thus             
C. rose            
C. want             
C. swim            
C. around           
C. explanation    
C. flight           
C. their           
C. recognize       
C. hardly          
C. reached         
C. water              
C. patiently      
C. went by    		D. supposed         
D. admitted        
D. meant            
D. examined                      
D. long             
D. world            
D. Still            
D. grew            
D. allow            
D. sing            
D. awake             
D. excuse         
D. plane           
D. its             
D. receive         
D. too             
D. fell            
D. ground              
D. eagerly      
D. turned back 
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题型：填空题

患者，男性，53岁。发热、寒战伴右上腹钝痛2天。既往有糖尿病史。查体：T 39.4℃，肝区叩击痛，右上腹肌紧张及触痛。X线胸腹部检查示：肝影增大伴局限性隆起，右膈肌上抬。18F-FDG PET示肝右叶放射性分布局灶性异常浓聚，SUVave 4.7，SUVmax 7.3。

18F-FDG PET示肝右叶代谢异常增高，为进一步将肝脏非肿瘤性病变与肝脏原发恶性肿瘤病变鉴别，拟首选的肿瘤标志物测定项目是

A．CEA
B．CA-242
C．AFP
D．CA-199
E．CA-125
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LTE中PCI是用来标识（）。
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决定国际商品市场价格的是商品的( )

A．用途
B．使用价值
C．国际价值
D．属性
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题型：填空题

碧海实业有限公司等3家国有企业，拟设立一家以高新技术产业为主的新奇股份有限公司。新奇公司拟筹集股本总额4亿元，其中，发起人碧海公司拟以厂房、设备、专利技术、土地使用权和部分现金作出资，并将成为新奇公司第一大股东。3家发起人为筹办新奇股份公司，共同制订了公司章程，并向登记机关提出了设立公司的申请。请回答以下问题。

对碧海公司等3家国有企业设立股份有限公司的申请，公司登记机关的下列何种答复是正确的( )

A．设立股份有限公司一般至少应有5家发起人，3家发起人不能设立股份有限公司

B．由于本案属于国有企业改建为股份公司，因此发起人可以为3人

C．因为是国有企业改建为股份公司，故新奇公司只能采用发起设立方式

D．国有企业改建为股份公司，发起人若少于5人，应采用募集设立方式
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