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问题 单项选择题

单次静脉注射药物，影响其初始血药浓度的主要因素是（）

A.剂量和清除率

B.剂量和表观分布容积

C.清除率和半衰期

D.清除率和表观分布容积

E.剂量和半衰期

答案

参考答案：B

完形填空
完形填空

     When Wang Hai went to Yucai Middle School two years ago, he worked hard and did very well in
his lessons. He was also    1    in sports. He ran to school every day to build up his    2   . His parents
were very    3    him and bought him a computer as a birthday present. However, something began to
change. He stopped    4    early and never ran to school any more. He    5    his interest in studying.
     One day in the middle of the night, Wang Hai's mother discovered the cause of the    6   . He played
computer games till midnight. It had a    7    effect(影响) on him and must be stopped. The next day
Mother had a serious talk with Wang Hai.    8    taking the computer away, she told him he was    9   
enough to control himself. Wang Hai was happy he had a wonderful mother and    10    not to do that
again.

( )1. A. worried      
( )2. A. body        
( )3. A. surprised at
( )4. A. getting up  
( )5. A. forgot      
( )6. A. choice      
( )7. A. good        
( )8. A. Instead of  
( )9. A. strong      
( )10.A. printed		B. unusual    
B. legs      
B. strict with
B. putting up
B. lost      
B. change    
B. bad        
B. Instead    
B. weak      
B. protected		C. active    
C. arms      
C. angry with
C. getting on
C. found      
C. chant      
C. useful    
C. Because of
C. old        
C. provided		D. nervous      
D. head          
D. satisfied with
D. putting on    
D. took          
D. chance        
D. useless      
D. Because      
D. young        
D. promised
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单项选择题

水表检定装置上配用的瞬时流量指示计按国家检定规程和国家标准的要求，其示值误差应小于实际值的（）

A、±0.025%

B、±0.25%

C、±2%

D、±2.5%
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