水力发电机作为调相机组运行时,带无功愈多其功率损失。() A.愈小; B.不变; C

题型:单项选择题

问题:

水力发电机作为调相机组运行时,带无功愈多其功率损失。()

A.愈小;

B.不变;

C.愈大;

D.不一定。

考点:水轮机调速器机械检修工水轮机调速器机械检修工(中级)水轮机调速器机械检修工(中级)题库
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“和实生物,同则不继。”“君子和而不同,小人同而不和”。以上说法包含的共同的哲理是

A.同一性寓于斗争性之中,并为斗争性所制约

B.矛盾的斗争性是相对的,同一性是绝对的

C.同一以差别和对立为前提

D.个性寓于共性之中,并通过共性表现出来

题型:单项选择题
完形填空。
     People always say that the earlier one learns a language, the    1    it is to do so, in theory it is that,  
   2    , in my opinion, that refers to spoken language. Capability (能力) to practice some essential (基
本的)    3   of a language and read between the lines can only be trained through proper reading ways
and hard work    4  . So spending money to help     5    learn English may    6    up with disappointment.
It is likely that the more you    7   , the more you are let down.
    The daughter of one of my friends   8    English in primary school,    9    her foreign teacher's blindness
   10    psychology. She did not want to go on    11    English until middle school,   12   a college student
studying English slowly    13    her interest in the language.
     It is better to have the child learn Chinese than to have some difficulty    14    learning English for
several years. Having been engaged in English education,    15    find that despite(尽管) their excellent 
   16    , many students have    17    command of English words and phrases. So I suggest that children 
  18    classical Chinese prose(散文),rather than   19   them to learn English hurriedly. Otherwise, they
may let go the best time to  20  the language ability of their mother tongue.
( )1. A. easy          
( )2. A. but            
( )3. A. opinions      
( )4. A. step by step  
( )5. A. people        
( )6. A. begin          
( )7. A. pay            
( )8. A. loved          
( )9. A. because of    
( )10. A. of            
( )11. A. learning      
( )12. A. while        
( )13. A. introduced    
( )14. A. in            
( )15. A. He            
( )16. A. pronunciation
( )17. A. few          
( )18. A. write        
( )19. A. have          
( )20. A. study        
B. difficult    
B. however      
B. regards      
B. right away  
B. girls        
B. start        
B. get          
B. liked        
B. because      
B. at          
B. to learn    
B. where        
B. practiced    
B. to          
B. I            
B. phrase      
B. less        
B. do          
B. let          
B. improve      
C. easier      
C. though      
C. requests    
C. at once      
C. children    
C. finish      
C. buy          
C. disliked    
C. instead of  
C. in          
C. with learning
C. when        
C. explained    
C. at          
C. She          
C. language    
C. little      
C. remember    
C. cause        
C. learn        
D. more difficult
D. yet          
D. expressions  
D. quickly      
D. boys          
D. end          
D. take          
D. learned      
D. instead      
D. to            
D. for learning  
D. as            
D. developed    
D. of            
D. They          
D. writing      
D. fewer        
D. memorize      
D. make          
D. Master        
题型:单项选择题

以下关于黄疸的叙述错误的是()

A、皮肤黏膜发黄即为黄疸

B、皮肤黏膜发黄不一定有黄疸

C、皮肤黏膜不发黄不一定无黄疸

D、黄疸多见于肝胆疾病

E、胆汁郁积性黄疸发作时可伴有皮肤瘙痒

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为了保护职工的安全,财产不受损失,需要开展三方面的工作,安全管理、安全技术、劳动卫生。安全技术起着决定性的作用.

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呼吸衰竭病人最早,最突出的表现是

A.紫绀
B.呼吸困难
C.心率加快
D.血压下降
E.肝肾功能损害

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