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问题 单项选择题

关于蛋氨酸循环的生理意义描述错误的为

A．生成SAM
B．四氢叶酸的再生
C．一碳单位-CH3 的去路之一
D．叶酸的再生
E．使FH4 -CH3 成为甲基的间接供体

答案

参考答案：D

完形填空
完形填空。
     Ana Dodaon is a 14-year-old girl who was  1  in Peru (秘鲁). She has no parents. Luckily, a US  2  took
her to the US. Ten years  3 , Ana went  4  a trip to Peru, Ana  5  an orphanage (孤儿院) in Peru. The girls
there didn't have enough to eat.  6  were very poor and thin. Ana  7  to help them. She  8   "Peruvian Hearts",
it raises money to help the girls at the orphanage. So far, it has raised  9  $50, 000. Now, the girls are  10  and
have warm clothes and enough food. Ana even helped find money for one of the girls to go to college next year!
( )1. A. bear      
( )2. A. house     
( )3. A. late      
( )4. A. on        
( )5. A. visited   
( )6. A. You       
( )7. A. enjoyed   
( )8. A. kept      
( )9. A. hardly    
( )10. A. unhealthy 		B. bon    
B. parents
B. later  
B. in     
B. watched
B. They   
B. refused
B. started
B. nearly 
B. thin    		C. bore     
C. family   
C. the latest
C. with     
C. went     
C. We       
C. decided  
C. put      
C. really                         
C. healthy              
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单项选择题

不宜用于慢性胃炎治疗的药物是（）

A.解痉药

B.考来烯胺

C.制酸药

D.肾上腺糖皮质激素

E.抗生素
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