关于ASCII码字符集中的字符,下面叙述中正确的是( )。A) ASCII码字符集

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问题:

关于ASCII码字符集中的字符,下面叙述中正确的是( )。

A) ASCII码字符集共有128个字符
B) 每个字符都是可打印(或显示)的
C) 每个字符在PC机键盘上都有一个键与之对应
D) ASCII码字符集中大小写英文字母的编码相同

考点:计算机等级考试PC技术三级PC技术笔试
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在长方体ABCD-A1B1C1D1中,若AB=2,BC=1,AA1=3,则BC1与平面BB1D1D所成的角θ可用反三角函数值表示为θ=______.

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患者突然昏厥,喉有痰声,或呕吐涎沫,呼吸气粗,舌苔白腻,脉沉滑,治疗宜选

A.二陈汤

B.六磨汤

C.温胆汤

D.导痰汤

E.通幽汤

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完形填空。
     It was a sunny day. A little boy's father was sitting on the couch, drinking a beer,while watching a   1    
match. Seeing this, the boy rushed to his father and shouted, "Daddy, Daddy,    2    me how to play
catch!"The father,     3    at the television screen, replied," Let me    4   watching the match. Play outside
and come back in five minutes. "
       "Okay, Daddy !" said the boy, running out of the room. Five minutes later,the boy returned,    5    ,"
Daddy,let's go. Let's play catch now !"
       The father turned to the boy and     6     him again to come back in five    7    minutes," Okay, Daddy," said the boy. Five minutes later,the boy returned with a basketball in his hand,    8   waiting for his father to
play catch.
           9    this time,the father had opened another cold beer and another match was beginning.     10    
with the boy's interruption, the dad brought a magazine to his son. On the cover of the magazine was a
large picture of the   11  . The father, who was angry and annoyed, began    12    the magazine cover into
small pieces. Then, the father turned to his boy and said," Son, once you put this picture  13    together,we
can play catch,    14    do not interrupt me again until you finish. "
       A few minutes later, the boy returned and said, "I have finished,  Daddy!     15    we play catch now?"
  16   , the father glanced towards his child, and there in his small hands    17   the magazine with the world    18   perfectly to gether. The dad asked his child how he put the world together so quickly.
       "It was     19   , "said the boy. "On the back of the world was  the picture of a person, and once I put
the person together, that's    20    the world came together. "
( )1. A. football    
( )2. A. tell        
( )3. A. staring    
( )4. A. enjoy      
( )5. A. suggesting  
( )6. A. asked      
( )7. A. another    
( )8. A. nervously  
( )9. A. By          
( )10. A. Careless  
( )11. A. universe  
( )12. A. breaking  
( )13. A. back      
( )14. A. therefore  
( )15. A. Should    
( )16. A. Shocked    
( )17. A. laid      
( )18. A. pieced    
( )19. A. difficult  
( )20. A. where      
B. basketball      
B. display        
B. glancing        
B. stop            
B. calling        
B. demanded        
B. others          
B. anxiously      
B. At              
B. Dissatisfied    
B. world          
B. pulling        
B. away            
B. but            
B. Will            
B. Puzzled        
B. lay            
B. stuck          
B. interesting    
B. what           
C. volleyball    
C. show          
C. glaring        
C. delay          
C. screaming      
C. required      
C. less          
C. worriedly      
C. Until          
C. Uncomfortable  
C. superstar      
C. tearing        
C. up            
C. so            
C. May            
C. Surprised      
C. held          
C. connected      
C. exciting      
C. when          
D. baseball      
D. describe      
D. looking      
D. finish        
D. weeping      
D. scolded      
D. more          
D. excitedly    
D. Since        
D. Impatient    
D. person        
D. ruining      
D. down          
D. thus          
D. Can          
D. Interested    
D. carried      
D. fastened      
D. simple        
D. bow          
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在遥测系统中,需要通过()把非电量的变化转为电信号。

A、电阻器

B、电容器

C、传感器

D、晶体管

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下面是《查士丁尼法典》里的记载:如果一匹租来的马被人偷走,租马的人该负什么样的责任?答案是:他必须赔偿这匹马的价钱给马的主人,因为他应该好好照顾这匹马。由此可见,《查士丁尼法典》()

A.包罗之广、涵盖之细

B.带有浓厚的人道主义色彩

C.留下了重证据的法治传统

D.已经具有契约的思想

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