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问题 单项选择题

关于无排卵功血的子宫内膜病理，以下哪项不正确

A．proliferative phase of endometrium：发生在月经后半期甚至月经期
B．simple hyperplasia of endometrium：腺体增生伴有轻至中度结构异常
C．complex hyperplasia of endometrium：腺上皮呈复层或假复层排列，有核分裂
D．atrophic endometrium：腺上皮为单层立方或低柱状细胞
E．atypical hyperplasia Of endometrium见于功血的复杂型增生过长

答案

参考答案：D

解析：功血子宫内膜受雌激素持续刺激，发生增殖性病理改变；atrophic endome- trium为萎缩性子宫内膜。

完形填空
完形填空。

     In the Tang Dynasty (朝代), there was a famous poet    1    name was Li Bai. He was born in a poor
family. And he died     2   1762 AD. When he was young, he didn't like reading.
     Once, he saw an old woman    3    an iron pestle (杵) when he was    4    from the school. Li Bai was
very    5   . He asked    6    that for?
     The old woman said she would grind the iron pestle into a needle (针). Li Bai    7   , "The pestle is so
thick, and when can it be ground down to a needle?" The old woman smiled , "My boy, where there is will,
there is a way!" The pestle is thick, but if I grind it every day, it can be ground down into a needle    8    .
Am I right?"
     Li Bai thought to him self, "what she said is right. Nothing in the world is    9    if I set my mind in it.
It is all the same to the study. If I put my heart into it, can't I study well?"
     Li Bai understand the truth. After that, he studied diligently (勤奋). At last he became a famous poet,
and    10    a good name for more than a thousand years.

( )1. A.who              
( )2. A.in               
( )3. A.grind            
( )4. A.on his way home  
( )5. A.surprise         
( )6. A.what she was doing
( )7. A.stopped          
( )8. A.in the end       
( )9. A.easy to          
( )10. A.left             		B.whose            
B.on                  
B.ground             
B.on his way to home 
B.surprised         
B.why she was doing  
B.wondered           
B.at the end of     
B.hard to me         
B.gave              		C.that              
C.at                   
C.drinding         
C. in his way to home 
C.surprising        
C.what was she doing  
C.liked               
C.by the end          
C.easy for me         
C.showed             		D.which            
D.of               
D.grinds           
D.in his way home  
D.surprises          
D.why was she doing
D.played             
D.to the end       
D.hard for me      
D.put            
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选择题

CaC2和ZnC2、Al4C3、Mg2C3、Li2C2等都同属离子型碳化物。请通过对CaC2制C2H2的反应进行思考，从中得到必要的启示，判断下列反应产物正确的是[ ]

A．ZnC2水解生成乙烷(C2H6)

B．Al4C3水解生成丙炔(C3H4)

C．Mg2C3水解生成丙炔(C3H4)

D．Li2C2水解生成乙烯(C2H4)

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