问题 多项选择题

为了充分发挥蛋白质的互补作用,以下说法正确的是()。

A.在膳食调配时,食物的生物学种属越远越好

B.食物搭配的种类越多越好

C.同时食用最好

D.动植物性食物之间的混合食用比单纯植物性食物之间的搭配要好

E.面粉的蛋白质中缺乏蛋氨酸,大豆蛋白质中缺乏赖氨酸,两者同时食用,蛋白质的生物价会提高

答案

参考答案:A, B, C, D

完形填空
完型填空。
     A Fool's Day falls on 1st of April. People   1   forget the significance (意义) of the day.
     In March 1980, I was   2   at Durham University with seven other Chinese students. I had   3   to go to
another university after graduation and had   4   application (申请) forms to several   5  . Every morning I
arrived at the porter's office (传达室) and waited my fate. But no   6   came.
     On April 1st, as I was eating my   7  , Huang came in, with a toothbrush (牙刷)   8   in his hand.   9   
fearing that he might forget the important news, he passed me the  10 . "Morning, Wu," he said, "I saw
Mr. G this morning. He told me that a letter had arrived in his office for you from Manchester University,
and asked you to go and get it  11  possible." I jumped with  12
     I even didn't  13  my breakfast and rushed to Mr. G's office but he wasn't  14 . I then went to the
secretary's room and  15  everything to her. She opened Mr. G's room. I looked at everything. There didn't
seem to be a letter for me. "If he had asked you to pick it up from here," said the secretary, " he would
have put it in  16  or simply left it to me."
     Greatly  17 , I walked out of the room and  18  the secretary lock it.  19  the secretary's eyes  20 .
"Sorry," she said. "It's April Fool's Day!"
( )1. A sometimes  
( )2. A. staying  
( )3. A. continued 
( )4. A. returned  
( )5. A. people    
( )6. A. application
( )7. A. dinner   
( )8. A. still   
( )9. A. Because of 
( )10. A. message  
(     )11. A. if      
( )12. A. the news  
( )13. A. take      
( )14. A. anywhere  
( )15. A. asked         
( )16. A. the office 
( )17. A. disappoint  
( )18. A. watched  
( )19. A. Quickly  
( )20. A. closed   
B. never    
B. working   
B. planned   
B. taken    
B. colleges   
B. report     
B. lunch    
B. even      
B .As if    
B. sign      
B. as soon as 
B. the letter  
B. finish    
B. in        
B. tells    
B. his desk   
B. disappointed   
B. noticed   
B. Strangely  
B. opened    
C. always        
C. visiting      
C. went         
C. brought       
C. cities        
C. reply           
C. supper       
C. yet             
C. After        
C. letter      
C. when          
C. joy            
C. eat            
C. at             
C. explained     
C. the room       
C. disappointing    
C. saw         
C. Finally      
C. brightened   
D. seldom                      
D. studying                    
D. remembered                  
D. sent                      
D. offices                     
D. chance                        
D. breakfast                 
D. already                       
D. While                     
D. notice                      
D. as fast as                  
D. luck                        
D. have                        
D. away                          
D. answered                  
D. an obvious (明显的) place  
D. disappointment                
D. got                         
D. Suddenly                  
D. darkened                    
单项选择题