问题 填空题

若矩形ABCD的对称中心恰为原点O,且点B坐标为(-2,-3),则点D坐标为______.

答案

矩形ABCD的对称中心恰为原点O,且点B坐标为(-2,-3),则点D坐标为(2,3),

故答案为:(2,3).

完形填空
完形填空。
     Australia is    l   island in the world. It is a    2 _ smaller than China.It is in the    3    of the equator.
So when it is hot summer in   4   , it is cold winter in Australia.
     Australia is big, but the population there is   5   .The population of Australia is the same   6      that
of Shanghai,a city in China.
    Australia is  famous (著名的) for  its   7   and kangaroos (袋鼠). After a short drive from any town,
you will find   8   in the middle of white sheep. Sheep, sheep,   9   are sheep. Have you ever seen a
kangaroo? It has a"bag" below its breast. The   10    kangaroo keeps its baby kangaroo in the"bag". It is
very interesting,isn't it?
( )1. A. great
( )2. A. much  
( )3. A. north
( )4. A. China
( )5. A. small
( )6. A. so    
( )7. A. horses
( )8. A. you  
( )9. A. there
( )10. A. girl
B. greater    
B. little    
B. west      
B. New Zealand
B. more      
B. for        
B. cats      
B. yourself  
B. where      
B. son        
C. greatest    
C. more        
C. south      
C. Brazil (巴西)
C. much    
C. such        
C. bears (熊)  
C. your        
C. anywhere    
C. father      
D. the greatest      
D. few              
D. east              
D. South Africa(南非)
D. big              
D. as                
D. sheep                            
D. yours            
D. everywhere        
D. mother            
单项选择题