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问题 选择题
盒中有规格相同的5个白球、3个蓝球和1个黄球，现从中随意摸出1个球，摸到蓝球的可能性是（　　）
A．
1
9
B．
1
5
C．
1
3
D．
3
5
答案

3÷（5+3+1），

=3÷9，

=

1
3
；

答：摸到蓝球的可能性是

1
3
．

故选：C．

填空题

发生火灾时切断电源最好使用（）工具。
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补全对话，情景问答
从B栏中找出与A栏相对应的答语。
                                  A
( )1. What are your favourite clothes?              
( )2. I like your skirt.                            
( )3. I like skirts.                                
( )4. Whose pants are these?                        
( )5. Is this your hat?                            
( )6. What' s your favourite colour?                
( )7. How many trees can you see in the picture?    
( )8. Are they new?                                
( )9. Do you like English?                          
( )10. Thank you very much.                         		                                  B
A. No, it isn't. It's too big.            
B. Thanks.                                
C. We're the same.                        
D. You're welcome.                        
E. Yes, I do. Very much.                  
F. Yes, they're new. They're from my mom.
G. Shirts are my favourite clothes.      
H. Red.                                  
I. They are Li Ming's.                    
J. I can see six.                        
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