问题 填空题 案例分析题

在适宜的条件下,测定光照强度对植物光合速率的影响。图甲表示实验装置;图乙表示在一定条件下测得的该植物光照强度与光合速率的关系;图丙是叶肉细胞中光合作用的部分生理过程。请分析回答:

在一定条件下,若用甲图装置测定获得图乙中的G点对应的值,则甲图中B三角瓶内应放置的液体为()(“NaOH”或“NaHCO3”)溶液。

答案

参考答案:NaOH

完形填空
完形填空。阅读下面短文,掌握其大意,然后从各小题所给的四个选项中选出最佳选项。
     I think that the most basic and powerful way to connect to another person is to listen. Just listen. When
people are   1  , there's no need to do   2   but receive them. Listen to what they're saying. Most times letting
someone talk is more   3   than understanding it.
     One of my   4   told me that sometimes when she tried to tell her story, people often interrupted to tell her
that they once had something just like that happened to them. Finally she stopped talking to most people and
became very   5  . We connect through listening. When we   6  , they know we care. Many people with cancer
can talk about the relief (宽慰) of having someone just listen.
     I have   7   learned to respond (反应) to someone crying by just listening. I just listen. When they have   8   
all they need to cry, they find me there with them.
     This simple thing has not been that easy to learn. It certainly went against everything I had been taught since I was very   9  . I thought people listened only because they were too shy to speak or did not know the   10  .
A loving silence often has far more power than the words.
( ) 1. A. working   
(     ) 2. A. anything  
(     ) 3. A. interesting 
(     ) 4. A. students  
(     ) 5. A. lucky    
(     ) 6. A. cry      
(     ) 7. A. even    
(     ) 8. A. shouted   
(     ) 9. A. old      
(     ) 10. A. way      
B. studying   
B. everything  
B. wonderful   
B. patients    
B. possible          
B. speak     
B. nearly     
B. cried     
B. little     
B. result   
C. doing    
C. something  
C. important  
C. teachers         
C. lonely    
C. listen    
C. yet      
C. called    
C. young    
C. help    
D. talking   
D. nothing   
D. popular   
D. parents             
D. hard      
D. watch     
D. never     
D. spoken    
D. small     
D. answer  
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