维修需打开挖掘机高压油路时应该注意的事项有哪些?

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问题:

维修需打开挖掘机高压油路时应该注意的事项有哪些?

考点:中石化钻井一公司关键岗位人员安全考试钻井技术服务挖掘机操作工钻井技术服务
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完型填空。
     Zheng Tao is five years    1   . He is a lovely boy. He plays    2    other children in the small park each
day. The park is near his building.
     His mother buys new clothes for    3   . The clothes are expensive and nice. Zheng Tao feels very happy.
     "Mum, can I go out and play with my friends? I want them to    4    my new clothes," asks Zheng Tao.
     "Yes, please keep your clothes    5    "says the mother. She's going to do some cooking.
     "We'll    6    supper after your comes back. "    7    about six his father comes back from work.
Zheng Tao goes home for supper.
      "Why do you have so much earth on your clothes?    8    his mother.
      "You shouldn't    9    the nice clothes dirty." says the mother.
      "I'm sorry, Mum." says Zheng Tao,"I have   10   time to take off my clothes when I fall."
( ) 1. A. young  
( ) 2. A. with   
( ) 3. A. he     
( ) 4. A. meet   
( ) 5. A. clean  
( ) 6. A. keep   
( ) 7. A. With   
( ) 8. A. tell   
( ) 9. A. make    
( ) 10. A. much  
B. old        
B. to         
B. his        
B. looks      
B. nice      
B. get       
B. About       
B. asks     
B. let        
B. no       
C. short        
C. for            
C. himself       
C. see            
C. blue          
C. have         
C. Of              
C. see         
C. take          
C. many       
D. tall     
D. about        
D. him       
D. watch        
D. big                            
D. has      
D. At            
D. say      
D. get     
D. not 
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化工工艺过程一般有几个阶段组成?

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锻轧的金属陶瓷( )

  • A.11
  • B.12
  • C.13
  • D.14

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劳动力供给( )。

A.具有数量的概念而无质量内涵
B.具有质量内涵而无数量的概念
C.既有数量的概念也有质量内涵
D.既无数量的概念也无质量内涵

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IS0 17799的内容结构按照()进行组织。

A.管理原则

B.管理框架

C.管理域一控制目标一控制措施

D.管理制度

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