问题 选择题

降低温度饱和溶液析出晶体前后,不变的是[ ]

A.溶质的质量分数

B.溶质的质量

C.溶剂的质量

D.溶液的质量

答案

答案:C

完形填空
完形填空。
          A strange thing happened to Henry yesterday. He was on a bus and to   1    . So he stood up and rang the bell.   2    make sure the driver heard him, he rang it twice, but the bus   3   stop. And the conductor   came and shouted   4   him.
         The conductor was   5   angry and spoke   6   fast that Henry didn’t understand   7  The    bus stopped at the next bus and Henry got off. As he got off he heard someone said, “ I think he   8   a foreigner.”
         When Henry got   9   , he told his wife about it.
        “   10   times did you ring the bell?” his wife asked.
        “ Twice,” said Henry.
        “ Well, that’s the signal (信号)   11   the driver   12   on.” His wife explained, “only the conductor   13   to ring the bell twice. That’s why the conductor   14   so angry!”
        Henry nodded(点头). “  15  .” he said.
( )1. A. got off
( )2. A.To
( )3. A. doesn't
( )4. A. in
( )5. A. so
( )6. A. so that
( )7. A. words
( )8. A. was
( )9. A. to home
( )10. A. How many
( )11. A. to
( )12. A. to go
( )13. A. allowed
( )14. A. got
( )15. A. I seen
B. gets off
B. At      
B. don't   
B. on      
B. as      
B. that  
B. a word  
B. isn't    
B. at home  
B. How much  
B. at     
B. go      
B. is allowed
B. gets      
B. I saw    
C. get off
C. In      
C. didn't  
C. of      
C. at      
C. so      
C. speech  
C.  is    
C. in home    
C. How long    
C. on     
C. went on    
C. was allowed
C. is getting  
C. I see                     
D. get on    
D. with         
D. wasn't
D. at        
D. because    
D. why        
D. song      
D. am        
D. home      
D. How        
D. for        
D. goes      
D. allow      
D. gotten    
D. I did                    
单项选择题