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简述肝细胞超微结构及其相关功能。

答案

参考答案：呈多面体形，核大而圆，居中，染色质丰富，有1至数个核仁，胞质嗜酸性。胞质内各种细胞器丰富。

线粒体：供能

粗面内质网：合成蛋白质（白蛋白、纤维蛋白原、酶）

滑面内质网：合成、转运胆汁；糖、脂、类固醇激素代谢；解毒

高尔基复合体：加工运输蛋白质、分泌胆汁

溶酶体：自噬、异噬、胆红素转运、储存铁

微体：解毒

完形填空
完形填空

         Some friends invite you over and serve you a delicious dinner.  Somebody lends you his bike
whie  1   is broken. You are sick, and a friend brings you a meal and  2   foryou. How do you show
your thanks?
         Sometimes simply saying thank you is  3   other times, it is thoughtful(体贴的) to say thank you
in a special way.  Be sure to telt  person that it is what you like and 4   you like it.
         Here are some  5  ways to say thank you. You can write a thank-you note. People are very   6  
these days.  A handwritten note shows you took the time to tell someone you love him or  her  7   you
can call and thank the person. You would be  8   how this can make someone happy. Another idea is
to send a thankyou e-mail or e-card .This is not quite  9  , but it still shows your love.
         To say thank you in a creative way, you can:    
        ⊙  10   some flowers from your garden. Put a thank-you  11   on it.  .
        ⊙Send the person with a  12   of fresh fruit or a homemade thing.
        ⊙Give a gift card for a  13   That way the person can pick out a favorite book.
        ⊙ Invite the friend to a move  meal snack or coffee.
        ⊙To say a big thank you to someone, hold a party or have a BBQ for him or her.
        As you can see, there are many ways to say thank you. Think of some ways of your  14  . You will
feel good trying one of the ideas, and the person being thanked will feel good  too. It's a  15   way.

(   )1. A. you                  
(   )2. A. plants                
(   )3. A. enough                
(   )4. A. what                  
(   )5. A. unusual              
(   )6. A. busy                  
(   )7. A. But                  
(   )8. A. surprised            
(   )9. A. boring                
(   )10.A. Put                  
(   )11.A. paper                
(   )12.A. basket                
(   )13.A. library              
(   )14.A. self                  
(   )15.A. note-note             		B. your        
B. works      
B. special    
B. why        
B. hard        
B. easy                        
B. And        
B. pleased    
B. personal    
B. Take        
B. book        
B. piece      
B. bookstore  
B. friend      
B. win-win     		C. yours      
C. looks      
C. simple      
C. where      
C. common      
C. hard                     
C. Or          
C. worried    
C. easy        
C. Buy        
C. note        
C. set        
C. museum      
C. teacher    
C. thank-note  		D. yourself            
D. cares                
D. usual                
D. who                  
D. dangerous            
D. happy                
D.Then                  
D. excited              
D. relaxing            
D. Choose              
D. gift                
D. thousand            
D. reading-room        
D. own                  
D. thank-gift          
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单项选择题 A1/A2型题

女性，67岁。吸烟史50年，近3个月来咳嗽加重并咳血丝痰，检查左下肺局限性哮鸣音，余未见异常。该患者可能性较大的是（）.

A.左下肺癌

B.支气管哮喘

C.慢性支气管炎

D.左下肺炎

E.支气管扩张
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