问题 填空题

1782年瑞士牧师________通过实验证明植物在________下释放出________的同时,还要吸收空气中的____。1804年瑞士学者________发现绿色植物在光下同时还要消耗____。

答案

谢尼伯  光  氧气  二氧化碳  索热尔  水

完形填空
完形填空。
     Mr. Strong is a London taxi driver. The following talk is given by him.
     "I have been a taxi driver    1    nearly ten years. It's a nice job most of the time. You meet a lot of
people. I always work at night,    2    there is too much traffic during the day. I go to work at 5:30 in
the afternoon, and I usually    3    between 2:00 and 3:00 in the morning."
     "Some    4   things happened late at night.    5   day I was taking a woman home from a party. She
had her little dog with her. When we got to her house, she found that she had lost her    6  . So I waited
in the car    7   she climbed in through the windows."
     "I waited and waited. After half an hour of ringing the bell I decided to find out    8    was going on.
I tied the dog to a tree and started to    9   in through the window. The next thing I knew was that the
police came. They thought I was a thief."
     "Luckily the woman came downstairs. She   10   have gone to sleep and forgotten me and the dog!"
( )1. A. in       
( )2. A. if       
( )3. A. go home 
( )4. A. sad      
( )5. A. The other       
( )6. A. money   
( )7. A. until   
( )8. A. what     
( )9. A. drive   
( )10. A. will     
B. for           
B. so           
B. go shopping  
B. good                  
B. Another               
B. bag          
B. while         
B. which         
B. walk         
B. can         
C. before        
C. though      
C. do sports    
C. strange    
C. The others       
C. box        
C. since        
C. who            
C. climb      
C. may        
D. after              
D. because           
D. do housework       
D. disappointing 
D. Other                
D. key                               
D. as soon as         
D. that                
D. run              
D. must             
名词解释