问题 读图填空题

下图为发生在某地的群落演替流程示意图,请据图回答:

(1)图中所示的群落演替属于________,图示表明这是一个________的演替过程。在不同阶段的群落生物种类中都有着不同的_______。

(2)图示表明原本茂密的森林在人类的大量砍伐下,形成“光秃秃”的景观。这一事实说明:人类的活动可能使群落_________。

(3)从图示可见,随着群落的演替,群落中的生物种群数量_______,生物与环境之间的关系_______。

答案

(1)次生演替  漫长而艰难  优势种

(2)朝向不同于自然演替的方向演替(或发生迅速的演替)

(3)逐渐多样  更加复杂(或丰富多样)

完形填空
完形填空。
     I never know how well Mother could keep a trust until I was going through her things after she died.
I discovered something I had   1   forgotten, something that happened to me as a child.
     One night, as I lay in bed   2   my sister and I had said our prayers, I recalled the events of the day and
how   3   I had behaved towards Mother. "I must make things right before going to sleep," I thought.
     Quickly I   4   out of bed and picked up a pencil and paper, then tiptoed into the hall. The   5   from the
living room shone dimly. I knew Mother was downstairs mending socks.
     I quickly   6   a note asking Mother to forgive me for being so   7   . I didn't want my brothers and
sisters to know our   8   so I added a postscript: "Please don't let anyone see this." Then I quietly moved   9 
 my parents' bedroom and put the letter under Mother's pillow.
     The next morning, when I  10  my bed after breakfast, I unexpectedly   11   a note under my pillow.
Mother wrote that she loved me and  12  me.
     This became my  13   of apologizing whenever I talked back or disobeyed. Mother always left a note,
but she never  14  our under-the-pillow messages in front of the family. Even when we were  15 , she never
mentioned them when we brothers and sister recalled our childhood.
     When Mother  16 , I had to go through her personal belongings. In her desk was a bundle of notes tied
with a faded ribbon (布条). On top was a message in her handwriting. It read,"In the event of my death,
please
  17  these."
     I   18   the packet and glanced at the handwriting on the bottom. To my surprise, I  19  my childish
writing, "P.S. Please don't let anyone see this. Love, Edie."
     I gently placed the unopened bundle in the  20  along with other things for the rubbish burner."Lord,"
I prayed,"make me like my mother."
( )1. A. long        
( )2. A. before      
( )3. A. well        
( )4. A. jumped      
( )5. A. moon        
( )6. A. found      
( )7. A. lazy        
( )8. A. mistake    
( )9. A. out of      
( )10. A. searched   
( )11. A. wrote      
( )12. A. missed    
( )13. A. way        
( )14. A. spoke about 
( )15. A. happy      
( )16. A. went away  
( )17. A. destroy    
( )18. A. picked up  
( )19. A. recognized 
( )20. A. drawer    
B. just        
B. after      
B. politely    
B. fell        
B. light      
B. sent        
B. late        
B. business    
B. around      
B. left        
B. left        
B. understood  
B. secret      
B. passed round 
B. curious    
B. passed away 
B. keep        
B. handed in  
B. lost        
B. wastebasket 
C. never       
C. until       
C. happily     
C. moved       
C. needle       
C. wrote       
C. careless     
C. relation     
C. into         
C. made         
C. found       
C. supported   
C. favorite     
C. gave out     
C. grown       
C. die away     
C. hide         
C. looked through
C. realized     
C. bedroom     

D. often          
D. since          
D. badly          
D. slipped        
D. thread         
D. took           
D. naughty        
D. love           
D. behind         
D. went to        
D. gave           
D. forgave        
D. trick          
D. read aloud     
D. interested     
D. break away     
D. read           
D. turned over    
D. liked          
D. bookshelf      

单项选择题