问题 填空题

表中结构是对下列生物体的某些细胞观察得到的结果,请据表回答问题

(1)从生态系统的结构来看,属于生态系统主要成分的是_________(只能用表中序号表示)。

(2)己在生态系统中的作用是_________。其新陈代谢类型按同化作用划分属于________型。

(3)丙的生殖方式是___________。

(4)甲的细胞可能取自______________。

(5)正常情况下,不符合孟德尔遗传规律的生物是_________(只能用表中序号答)。

答案

(1)甲、丙、丁

(2)分解者   异养

(3)分裂生殖

(4)非绿色器官的部分(答根也可以)

(5)丙、己

完形填空
完形填空。
     I played a racquetball game against my cousin Ed last week. It was one of the most   1   and tiring games
I've ever had. When Ed first phoned and   2   we play, I laughed quietly, figuring on an   3   victory. After all,
Ed's idea of   4   has always been nothing more   5   than lifting a fork to his mouth.   6   I can remember, Ed's
been the least physically fit member in the family, and   7   proud of himself. His big stomach has always
ballooned out between his T-shirt and trousers. Although the family often   8   about that, Ed refused to buy
  9   T-shirt or to lose weight. So when Ed  10  for our game not only with the bottom of his shirt gathered
inside his trousers but also with a stomach you could hardly  11 . I was so surprised that I was  12 . My cousin
must have made an effort to get himself into shape.  13 , at the point in our game when I'd have predicted (预
计) the score to be about 9 to 1 in my favor, it was  14  7 to 9 and Ed was  15 . The sudden realization was
painful. We  16  to play like two mad men. When the score was 16 up. I was having serious  17  about staying
alive until 21 years old. Let alone  18  that many points. When the game finally ended, both of us were lying flat
on our backs, too tired to  19 . In a way, I think we both won: I the game, but cousin Ed my  20 .
( )1.A. encouraging  
( )2.A. declared    
( )3.A. unforgettable 
( )4.A. exercise    
( )5.A. time-saving  
( )6.A. As soon as  
( )7.A. strangely    
( )8.A. cared        
( )9.A. clean        
( )10.A. set out    
( )11.A. notice      
( )12.A. nervous    
( )13.A. After all  
( )14.A. mistakenly  
( )15.A. leading    
( )16.A. pretended  
( )17.A. thoughts    
( )18.A. scoring    
( )19.A. play        
( )20.A. friendship  
B. hopeless  
B. mentioned  
B. unexpected 
B. preparation 
B. comfortable 
B. As long as
B. personally 
B. forgot    
B. larger    
B. got ready  
B. admire    
B. curious    
B. As a result 
B. then      
B. coming    
B. stopped    
B. doubts    
B. completing      
B. start      
B. respect    
C. surprising 
C. persuaded  
C. easy      
C. joy        
C. suitable  
C. When      
C. reasonably    
C. quarreled  
C. straight  
C. arrived    
C. believe    
C. careless  
C. Above all  
C. instead    
C. waiting    
C. continued  
C. situations 
C. receiving  
C. sleep      
C. support    
D. regular     
D. suggested   
D. early       
D. fitness     
D. effort-making          
D. Since       
D. eagerly     
D. joked       
D. darker      
D. returned    
D. measure     
D. speechless  
D. At last     
D. naturally   
D. counting    
D. decided     
D. problems    
D. keeping     
D. move        
D. favor       
单项选择题