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问题 单项选择题

硫酸作溶剂时的独特之处是（）。

A.能分解的试样多

B.硫酸盐溶解度较大

C.热浓硫酸有强氧化性和强脱水能力

D.硫酸盐稳定

答案

参考答案：C

完形填空
完形填空
       Bill is fifteen now, but he's still in Grade One. He likes   1   and does not like to
use his   2  .He does not listen to the teachers in class and so he   3   his homework  His teachers do not
like him  They tell his parents about it,  but they do not   4_ what to do.
       It s Sunday today. Bill _5_ early in the morning. After breakfast,  his mother tells him to do his   6_.
He goes to his study. His mother is   7   with her housework.
Bill goes out with a ball. Now lunch is ready, but she   8  Bill. When Bill comes back,
his parents look very angry, but say nothing.
       After lunch Bill wants to go out again. His father stops him and asks,   "Have you finished your
homework? "
       "No,"answers the boy, "I can't do   9    ."
       His father pulls( 拉 ) him by the ear ana says,"   10   your ear? "
       "Oh,dear!  " Bill calls out ,"It's in your hand!
( )l. A. playing football    
( )2. A. hand                
( )3. A. can do              
( )4. A. have                
( )5. A. get up              
( )6. A. homework            
( )7. A. busy                
( )8. A. canfind            
( )9. A. they                
( )l0. A. Where              		B. to play the football  
B. pen                    
B. can not do            
B. think                  
B. gets up                
B. homeworks              
B. does                  
B. finds                  
B. them                  
B. Where's                		C. playing the football    
C. head                    
C. don't                    
C. know                    
C. stands up                
C. housework                
C. like                    
C. can'tfind                
C. it                      
C. What                    
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