问题 单项选择题

通过观察或实验获得的健康人群某种营养素的摄入量即

A.估计平均需求量
B.推荐摄入量
C.适宜摄入量
D.可耐受最高摄入量
E.生理需要量

答案

参考答案:C

材料分析题
完形填空
完形填空。
     Wouldn't it be great if we didn't have to remember passwords (密码) ever again? If we could just sit in
front of our computers and be   1   logged in (登录) Crave mentions how NECSoft Biode Logon system uses
face recognition technology to log you on to Windows, rather than using a   2  . All you need is a webcam
and your pretty face to   3  your PC. No more   4  , confusing passwords to remember or change every few
months.
     After doing a little research, I found this type of   5   already available to consumers via a relatively   6   
application called FaceCode. The   7   requires the use of a webcam to recognize and log PC users into their
systems. You can add as many   8   as you want, provided they each have a Windows account. If the
system   9   to recognize your  10 , you can recall the Windows user name and password by using a hot-key
combination.
( )1. A. automatically
( )2. A. face      
( )3. A. access    
( )4. A. simple    
( )5. A. computer   
( )6. A. independent   
( )7. A. account    
( )8. A. users      
( )9. A. begins    
( )10. A. account  
B. personally   
B. password   
B. connect   
B. complicated 
B. technology  
B. infrequent  
B. consumer   
B. passwords      
B. tries    
B. name      
C. correctly   
C. software   
C. recognize 
C. special   
C. password   
C. inexpensive 
C. designer   
C. systems   
C. fails    
C. password       
D. occasionally   
D. system         
D. remember       
D. useful         
D. application                    
D. instant        
D. software       
D. computers      
D. stops          
D. face