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问题 多项选择题

检查视力时需注意（）

A.照明愈亮愈好

B.一般先查右眼后查左眼

C.眯眼检查

D.不要压迫眼球

E.不同视力表检查距离一致

答案

参考答案：B, D

完形填空
完形填空。
Dear Bob,
      My name is Zhang Jian, and I want  1  your pen pal. I live in Beijing,  2 . I think Canada is a very
beautiful  3 .   
      I' m 14 years old and my birthday is  4  September. I can  5  a little English. I have  6  brother
or sister. I like to stay  7  my classmates. We often play  8  after school, such as football, basketball, tennis
and running. My favorite  9  at school is maths. I don't like Engli8h. It' s too  10 . Let us be good pen pals.
( )1. A. be        
( )2. A. Shanghai  
( )3. A. country   
( )4. A. on        
( )5. A. speak     
( )6. A. a         
( )7. A. at        
( )8. A. the guitar
( )9. A. color     
( )10. A. difficult 		B. to be     
B. Singapore 
B. city      
B. at        
B. say       
B. some      
B. up        
B. soccer    
B. subject   
B. different  		C. to do 
C. China 
C. town  
C. of    
C. talk  
C. not   
C. for   
C. sports
C. fruit 
C. easy   		D. to have    
D. Chinese    
D. village    
D. in         
D. tell       
D. no         
D. with       
D. with                              
D. teacher    
D. interesting
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单项选择题

酸中毒时远端小管的

A．K+分泌增多，Na+重吸收增多
B．K+分泌增多，Na+重吸收减少
C．K+分泌减少，Na+重吸收减少
D．K+分泌减少，Na+重吸收增多
查看答案