问题 填空题

蒸汽机是利用压力蒸汽,使热能转变为()以便带动各执行机构,完成吊运的任务。

答案

参考答案:机械运动

完形填空
完形填空。
     Food is important. Everyone needs to    1    well if he wants to have a strong body. Our minds also
need a kind of food. This kind of food is    2  .We begin to get knowledge even when we are young.
Small children are    3   in everything around them. They learn somrthing while they    4   and listening.
When they are getting older they begin    5   storybooks, science books...anything they like. When they
find    6  , they have to ask questions and try to get the answers. 
    What is the best    7   to get knowledge?If we learn by ourselves, we    8   the most knowledge. If
we are    9   getting answers from   10  and don't ask why, we will never learn more or understand
better.
( )1.A. sleep               
(     )2.A. sport               
(     )3.A. interested          
(     )4.A. watch               
(     )5.A. to lend             
(     )6.A. something new      
(     )7.A. play                
(     )8.A. are getting         
(     )9.A. seldom              
(     )10.A. other               
B. read            
B. exercise        
B. interesting     
B. are watching    
B. to look         
B. new something       
B. school           
B. getting          
B. always           
B. another        
C. drink        
C. knowledge    
C. weak         
C. watched      
C. to learn     
C. nothing              
C. way          
C. get         
C. certainly    
C. others      
D. eat              
D. meat            
D. well            
D. watching        
D. to read                        
D. new anything   
D. road            
D. will get     
D. somtimes        
D. the other     
单项选择题