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井下发生透水事故时矿工应如何自救?

答案

参考答案:

如果情况危机,水势很强,无法抢救,则应根据当时当地的实际情况,有组织地沿着规定的避灾路线,避开压力水头,迅速撤退到透水地点的上部水平或地面,而不能进入透水地点附近的盲巷内。

如果独头上山下部的唯一出口已被淹没、堵塞,无法撤退时,则可在独头工作面躲避,以免受涌水伤害。万一来不及撤退而被堵塞在其它巷道内,应保持镇静,避免体力的过度消耗,关闭矿灯,静卧待救。

完形填空
完形填空。
     From Monday to Friday most people are busy working or studying, and in the evening and weekends they
are free and 1______ themselves. Some watch television or go to the movies, and others 2______ sports. This
is decided by their own interests. 
    Almost everyone has some kind of hobby. It may be something from collecting stamps to 3______ model
planes. Some hobbies are very 4______, but others don't cost anything at all. Some collections are worth a lot
of money, others are valuable (有价值的) only 5______ their owners.
    I know a man who has a coin collection worth several 6______ dollars. A short time ago he bought a rare
(罕见的) fifty-cent piece which 7______ him $ 250! On the other hand, my youngest brother collects match
boxes. He has almost 600 of them, but I wonder 8______ they are worth any money. 9______, to my brother
they are quite valuable. Nothing makes him 10______ than to find a new match box for his collection.
    That's what a hobby means, I think. It is something we like to do in our free time just for the fun of it.
( )1. A. love       
( )2. A. look like  
( )3. A. make       
( )4. A. interesting    
( )5. A. to         
( )6. A. thousand   
( )7. A. paid       
( )8. A. that       
( )9. A. So         
( )10. A. good      
B. work         
B. take care of      
B. making       
B. exciting     
B. with         
B. thousands    
B. cost         
B. if           
B. If           
B. happier      
C. enjoy          
C. think about    
C. buying         
C. cheap         
C. on             
C. of             
C. took          
C. what          
C. However        
C. faster      
D. play              
D. take part in   
D. trade          
D. expensive       
D. in                
D. thousand of                         
D. spent           
D. why              
D. And               
D. quick        
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