问题 选择题

下列关于乙酸的说法中不正确的是 [ ]

A.乙酸是具有强烈刺激性气味的液体                  

B.乙酸和甲醇可酯化成乙酸甲酯

C.乙酸分子里含有4个氢原子,所以乙酸是四元酸      

D.乙酸易溶于水和乙醇

答案

答案:C

完形填空
完形填空。
     Mr Edison was a professor. He worked in a    1     . He was busy with his research work all the time.
But his wife whose father was a    2     businessman had nothing to do at home and    3     a lot of time
dancing. It was the woman's birthday one day. There    4     a birthday party in their house. All their friends
were invited to   5      it. That afternoon, when everything was ready, Mr Edison came back from his lab,
being    6     . As soon as she saw him, she called out, "Oh dear! Our guests will soon come, but you    7    
the old clothes! Go to change the best ones!" Mr Edison had to go upstairs. The party had been on for
half an hour, but he didn't come downstairs. The woman felt   8     . She looked out a few times and then
told her girl servant to go to    9     what had happened to him. To the girl's surprise, the professor was
   10    in a bed. For Mr Edison, it was time to go to bed after he came upstairs and took off his clothes.
( )1. A. cinema  
( )2. A. rich  
( )3. A. took  
( )4. A. will be  
( )5. A. hold  
( )6. A. hungry  
( )7. A. are wearing
( )8. A. happy    
(     )9. A. look up  
( )10. A. afraid  
B. theatre
B. poor  
B. spent  
B. would be
B. appreciate
B. tired
B. will wear
B. shy    
B. find out
B. awake  
C. university
C. nice  
C. used  
C. has been
C. watch  
C. sorry  
C. are putting
C. sad    
C. think over
C. asleep
D. park        
D. foolish      
D. gave        
D. had been    
D. attend      
D. satisfied    
D. will put on
D. strange      
D. send for    
D. alone        
单项选择题