问题 单项选择题 A1/A2型题

成人CSF腰穿蛋白质参考值为()

A.0.1~0.3g/L

B.0.2~0.4g/L

C.0.4~0.6g/L

D.0.6~0.8g/L

E.0.8~1.0g/L

答案

参考答案:B

解析:蛋白质定量:腰椎穿刺为0.20~0.40g/L。

判断题
完形填空
Cloze.
     Many people find that regular physical activity gives them an unexpected benefit. They sleep better and
wake up feeling more   1  , in part due to increased amounts of deep sleep. Deep sleep may play a role in the
body restoring (恢复) itself   2  , as opposed to REM (rapid eye movement) or dreaming sleep. Researchers
have found that physical exercise, especially   3   in the afternoon or early evening, produces more   4   early
in the night. 
       5   can also help you get a better night's sleep in a number of indirect ways. The relaxation and
tiredness   6   by exercise can improve sleep. Exercise encourages weight loss and also may   7   depression.
     Exercising later in the day can also help delay the   8   drop in your body's temperature. The   9   of exercise
are especially important for older people,  10  exercise has been shown to increase the amount of sleep senior
adults get in a night and reduce the time it takes to fall asleep. But be sure you finish exercising at least 4 hours
before bedtime-working out later than that could leave you too excited to fall asleep easily.
( )1.A. conscious   
( )2.A. physically 
( )3.A. made       
( )4.A. nigh’s sleep
( )5.A. Exercise   
( )6.A. recovered   
( )7.A. increase   
( )8.A. nighttime   
( )9.A. disadvantages
( )10.A. yet       
B. peaceful      
B. mentally      
B. done            
B. dreaming sleep  
B. Dreams        
B. strengthened  
B. relieve      
B. daytime        
B. benefits    
B. if            
C. effective     
C. emotionally   
C. functioned   
C. deep sleep  
C. Researchers   
C. caused        
C. release      
C. dinnertime     
C. ways       
C. when       
D. refreshed    
D. regularly    
D. conducted                 
D. REM         
D. Doctors      
D. reduced       
D. arouse     
D. lifetime     
D. places     
D. since