问题 单项选择题

如何实现对广播系统进行精确的时间控制?()

A、配置标准时间系统,必要时可配置卫星全球标准时间信号系统

B、配置一台独立的计算机,以该台计算机的品振作为时基发生器

C、通过人工管理模式,根据广播媒体报时进行操作

D、与其它广播系统实现同步

答案

参考答案:A

完形填空
完形填空。
     Zhang Ling's father is a  ___1___. He works__2__ Monday to Friday. On weekdays he gets up at six and ___3__
breakfast at six twenty.   He usually has ___4___ milk,   some  bread  and  an  egg for breakfast.   Sometimes he  likes
____5__ newspapers at breakfast. He __6____home at about six forty-five. He goes to work by car. He has lunch at
___7___  office. He always has fast food. But __8_ he goes to a restaurant __9__ his friends. He comes home at half
past six. In the evening he usually likes reading some books on computer. He __10___ watches TV.
( )1. A.farmer    
( )2. A.at        
( )3. A.has        
( )4. A.a glass    
( )5. A.read      
( )6. A.leaves    
( )7. A.him        
( )8. A.never      
( )9. A.and        
( )10.A. usually  
B.worker        
B.on            
B.have          
B.two glasses  
B.reading      
B.goes          
B.his          
B.sometimes    
B.of            
B.often        
C.nurse    
C.from      
C.eat      
C.a        
C.reads    
C.starts    
C.our      
C.usually  
C.with      
C.alwa ys  
D. driver          
D. in              
D.drinks          
D.a glass of      
D.to reading      
D.leave            
D.us              
D. every day      
D.to              
D.seldom          
单项选择题 A3/A4型题