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问题 单项选择题

胎盘分泌的酶错误的是（）

A.缩宫素酶由绒毛合体滋养细胞产生

B.缩宫素酶为糖蛋白

C.缩宫素酶至妊娠末期达高峰

D.耐热性碱性磷酸酶由绒毛合体滋养细胞产生

E.耐热性碱性磷酸随妊娠进展而逐渐减少

答案

参考答案：E

完形填空
完型填空。
     Look here, please! Can you see the man in black?   _1__ is Mr. Lee, my English teacher. He teaches (教) us __2  _ five days a week. He is a very good teacher. __3  _ is he? He's forty-five. He is __4  _
American. He has a car (小汽车).   _5__ yellow. Tom and Tim are   _6__ sons.   _7__ are in No.1
Middle School (一中). They can   _8__ Chinese,   _9__ they can't speak it well. Today they  _10__ at
school, because it is Sunday.
( )1. A. He      
( )2. A. classes
( )3. A. What    
( )4. A. a      
( )5. A. Its    
( )6. A. my      
( )7. A. He      
( )8. A. speak  
( )9. A. and    
( )10. A. are    		  B. She            
  B. English        
  B. How            
  B. an              
  B. It's          
  B. her            
  B. They            
  B. say            
  B. but            
  B. aren't         		C. This      
C. Chinese    
C. How old    
C. the        
C. they're  
C. his        
C. We        
C. tell      
C. or        
C. don't    
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单项选择题

政治参与实际上乃是公民行使以（）为核心的公民权利的过程。

A.咨询权

B.知情权

C.罢免权

D.普选权
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