属于缺陷型的肝炎病毒是()。 A.甲型肝炎 B.乙型肝炎 C.丙型肝炎 D.丁型肝炎

题型:单项选择题 A1/A2型题

问题:

属于缺陷型的肝炎病毒是()。

A.甲型肝炎

B.乙型肝炎

C.丙型肝炎

D.丁型肝炎

E.戊型肝炎

考点:微生物检验技术(主管技师)微生物检验(主管技师)基础知识综合练习微生物检验(主管技师)基础知识综合练习题库
题型:单项选择题 A1/A2型题

轮对厂修时,有()情况之一者须加工修理。

A.车轮踏面剥离、擦伤、局部凹陷、碾宽、圆周磨耗超限。

B.车轮轮缘厚度超限或轮缘垂直磨耗超限。

C.同一轮对的两车轮直径差超限。

D.车轮轮辋厚度小于规定限度。

题型:单项选择题 A1/A2型题

印花税对技术合同规定,按所载金额()贴花。

A.1

B.3

C.1‰

D.3‰

题型:单项选择题 A1/A2型题

混凝土配合比是指混凝土中水泥、水、砂及石子四种材料之间的三个对比关系,包括()。

A.水灰比

B.砂率

C.浆骨比

D.吸水率

E.含泥量

题型:单项选择题 A1/A2型题
完形填空。
     Once there was a king who liked pictures very much. One day, he   1   a prize to the artist who would paint
the best picture of peace. Many artists   2  . The king looked at all the pictures. But there were only two he   3   
liked, and he had to choose between them.
     One picture was of a calm lake. The lake was a perfect   4   for peaceful towering mountains all around
it.   5   was a blue sky with fluffy (蓬松的) white clouds. All who saw this   6   thought that it was a perfect
picture of peace. 
       7   picture had mountains, too. But these were large, rough and   8  . Above was an angry sky, from which
rain fell and in which lightning   9  . Down the side of the mountain  10  a foaming (起泡沫的) waterfall. This
did not look  11  at all.
     But when the king looked  12 , he saw behind the waterfall a tiny  13  growing in a crack in the rock. In the
bush a mother bird had built her  14  . There, in the midst of the rush of angry water, sat the mother bird on her
nest- 15  perfect peace.
     Which picture do you think won the prize? The king  16  the second picture. Do you know why?
     "Because,"  17  the king, "peace does not mean to be in a place  18  there is no noise, trouble, or hard work.
Peace means to be in the midst of all those things and  19  be calm in your heart. That is the real  20  of peace."
( )1. A. afforded   
( )2. A. collected  
( )3. A. hardly    
( )4. A. bowl      
( )5. A. Outward   
( )6. A. prize    
( )7. A. The one   
( )8. A. bare      
( )9. A. played    
( )10. A. connected  
( )11. A. hopeful   
( )12. A. regularly  
( )13. A. flower    
( )14. A. house    
( )15. A. of       
( )16. A. protect   
( )17. A. explained  
( )18. A. which    
( )19. A. thus      
( )20. A. story   
B. offered  
B. planned  
B. slightly 
B. mirror  
B. Indoors  
B. result  
B. Another  
B. fresh  
B. screamed 
B. floated  
B. peaceful 
B. suddenly 
B. ground  
B. business 
B. in    
B. forced  
B. described      
B. where   
B. even   
B. meaning  
C. accepted   
C. tried       
C. really     
C. plate    
C. Overhead    
C. artist    
C. Other      
C. green       
C. wandered   
C. fell      
C. successful     
C. closely    
C. tree     
C. nest       
C. by        
C. depended   
C. reminded   
C. whose       
C. also    
C. source   

D. canceled        
D. directed        
D. generally       
D. cover           
D. Downhill        
D. picture         
D. The other       
D. distant         
D. cheered         
D. rose            
D. careful         
D. casually        
D. bush            
D. relationship                
D. for             
D. chose           
D. persuaded       
D. that            
D. still           
D. history         

题型:单项选择题 A1/A2型题

机动车在冰雪、泥泞道路上行驶时,同方向行驶车辆,两车之间的距离应保持在()米以上。

A、20

B、30

C、40

D、50

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