(7,3)循环码的检验位有几位()A.1位 B.4位 C.3位 D.7位

题型:单项选择题

问题:

(7,3)循环码的检验位有几位()

A.1位

B.4位

C.3位

D.7位

考点:动力与电气工程电力系统电力系统题库
题型:单项选择题

观察图中的四种自然景观。回答问题。

女神司春        苍山云海         山水交映        珠帘挂川

小题1:要取得四处景观的最佳观赏效果,应遵循的原则自左向右依次为      (   )

A.选择特定地点、雨过天晴时、乘船、仰观

B.远眺、仰观、低临水面、俯瞰

C.选择特定地点、远眺、雨过天晴时、仰观

D.仰观、远眺、乘船、选择特定地点小题2:形成左一地貌景观的外力作用主是                                (   )

A.侵蚀、沉积

B.溶蚀、搬运

C.搬运、沉积

D.风化、侵蚀

题型:单项选择题
完形填空
     Tess went to her bedroom and pulled a glass jar from its hiding place. She poured all the coins out on
the floor and counted it __1__. Then cautiously placing the  __2__back in the jar, she made her way six
blocks to the chemist's.
     She waited for the chemist to give her some __3__, but he was busy talking with a well-dressed
gentleman at that moment.__4__she took a quarter from her jar and banged it on the glass counter. That
did it!
     "And what do you want?" the chemist asked in an __5__tone of voice. He turned back__6__expecting a reply to his question.
     "I want to buy a __7__," Tess answered back to the chemist in the same annoyed tone. "My brother
Andrew is really, really __8__. Daddy says only a miracle can save him. And I believe I can find it here.
How much does it cost?"
     InstInstantly they __9__ talking. The well-dressed gentleman came up to Tess, and __10_ to ask how much money she had on her.
     "One dollar and eleven cents," Tess answered. "And it's all the money I have."
     "Well, what a coincidence(巧合). A dollar and eleven cents-the  _11_  price of a miracle for your little brother," smiled the man.
     Actually, the gentleman was an expert surgeon in his field. He performed an   _12_  on Andrew without charge and it wasn't long  _13_  Andrew recovered.
     Mom and Dad were always  _14_  how much the operation would have cost. Tess smiled. Only she
knew exactly how much a miracle cost…one dollar and eleven cents…plus the _15_ of a little child.
( )1. A. carefully
( )2. A. currency  
( )3. A. admission
( )4. A. So      
( )5. A. astonished
( )6. A. by  
( )7. A. pill  
( )8. A. sick  
( )9. A. started
( )10. A. went down
( )11. A. basic  
( )12. A. action
( )13. A. after
( )14. A. knowing
( )15. A. faith
B. contently  
B. cash      
B. attention
B. And      
B. appreciated
B. for  
B. miracle    
B. weak      
B. stopped    
B. broke down
B. low        
B. experiment
B. when    
B. wondering
B. chat      
C. carelessly  
C. change      
C. attraction
C. But      
C. annoyed     
C. beyond    
C. medicine   
C. unhappy    
C. continued   
C. settled down
C. exact    
C. operation  
C. until      
C. doubting  
C. fantasy    
D. considerately  
D. collection    
D. adjustment    
D. Or            
D. amused        
D. without        
D. drug          
D. naughty        
D. considered    
D. bent down      
D. average        
D. assignment    
D. before      
D. realizing      
D. curiosity      
题型:单项选择题

把一张半卷着的硬纸片摆放在桌子上,如果使劲吹一下它的下面,如图所示。则下列说法正确的是:

[ ]

A.纸片会翻转过来,因为下面的气流速度大压强大

B.纸片会翻转过来,因为下面的气流速度大压强小

C.纸片不会翻转过来,因为下面的气流速度大压强大

D.纸片不会翻转过来,因为下面的气流速度大压强小

题型:单项选择题

劳力性心绞痛,疼痛发生于()

A.劳力时或情绪激动当时

B.与人争吵后

C.夜间睡眠时

D.追赶公共汽车后

E.安静休息时

题型:单项选择题

质押券对应的标准券数量有剩余的,可将相应的质押券申报转回原证券账户。( )

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