试述调压阀的构造及功用

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试述调压阀的构造及功用

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完形填空。
     Everyone has his dream.  1  do I. In ten years, I think I will be a reporter. I'll live in Shanghai,
because I went to Shanghai and  2  in love with it last year. I think it's a really beautiful city.  3  a reporter,
I think I'll meet lots of interesting  4 .I think I'll live in  5  apartment with my best friends, because I
don't like living  6 . I will have pets. I can't have  7  pets now because my mother hates them and our
apartment is too small. So in ten years, I'll have many different pets. I might even keep a pet parrot. I'll
probably go skating and swimming  8 . During the week, I'll look smart, and probably will  9  a suit. On
weekends, I'll dress more casually. That's my dream. I'll work  10  to make it come true.
( )1. A. Neither  
( )2. A. were      
( )3. A. As        
( )4. A. men      
( )5. A. an        
( )6. A. alone    
( )7. A. some      
( )8. A. all day  
( )9. A. dress    
( )10. A. hardly  
B. So        
B. are      
B. For      
B. women    
B. a        
B. together  
B. no        
B. every day
B. wear      
B. freely    
C. Nor      
C. fall    
C. Like    
C. people  
C. the      
C. lone    
C. any      
C. everyday
C. put on  
C. hard    
D. either  
D. fell    
D. Because
D. mans    
D. one    
D. lonely  
D. none    
D. anyday  
D. dress  
D. free    
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患儿,5岁。咳嗽4天。咳声重浊,痰多壅盛,色白清稀,胸闷纳呆,困倦乏力,舌淡红,苔白腻,脉滑。其证候是()

A.风寒咳嗽

B.风热咳嗽

C.风燥咳嗽

D.痰热咳嗽

E.痰湿咳嗽

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()多样化促进了运动员的技术更加全面地发展。

A.比赛场地

B.球拍

C.球线

题型:问答题 简答题

华为新一代基站系列包括()

A.BTS3812E

B.BTS3812A

C.BBU3806/BBU3806C/RRU3801C

D.BTS3803C

E.BTS3801B

题型:问答题 简答题

某机械厂原来生产产品A,利润为350元,现在改生产产品B,所花的人工和材料费为1000元,则生产产品B的机会成本为()

A.350元

B.1350元

C.1000元

D.无法确定

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