问题 单项选择题

关于对卵磷脂小体形态的描述,哪项是不正确的

A.大小不等、圆形或卵圆形的颗粒
B.折光性强的颗粒
C.体积小于血小板
D.体积小于红细胞而大于血小板
E.在普通光学显微镜下即可看到

答案

参考答案:C

解析:卵磷脂小体大小不等,多大于血小板,小于红细胞,折光性强。前列腺炎时数量常减少或消失。

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     It's lunch time. You're hungry and want to getyour favourite meal in the restaurant, but there are
aqueue of people nearly reaching the door. Don't  1  In cyberworld (网络世界), you can get your
meal just    2   a few clicks.
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drink to last them for 100 hours using the little money given.
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    Shoppers who go online can also find lower prices and wider choices of things they want to buy.But
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     "It's not a good way for middle school students   7   their money," said a teacher.
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     Most parents, though , don't want to pay the bills when their children spend too much on the Internet.
"I hate having to. pay unexpected bills,"said one father.
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( )1. A. be afraid  
( )2. A. for        
( )3. A. Shop      
( )4. A. which      
( )5. A. too many  
( )6. A. That's    
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( )8. A. pay        
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( )10. A. surprises
B. in        
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B. whom      
B. many too  
B. It's      
B. to pay    
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B. also are  
B. surprising
C. be worry
C. on      
C. oshopping
C. who      
C. too much
C. It      
C. to take  
C. spend on
C. also is  
C. surprise
D. worry    
D. with    
D. Shops    
D. she                           
D. much too
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D. spend    
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单项选择题