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问题 单项选择题

“SOS”的意思是( )

A．国际上通行的专门用于海上求救的用语

B．不明飞行物

C．国际儿童村

D．亚洲经济合作组织

答案

参考答案：A

补全对话，情景问答
在B栏里找出A栏句子的正确答语。
                   (A)                          
( )1. Is it windy tomorrow?      
( )2. How is the weather today?  
( )3. What day is it today?      
( )4. What day is tomorrow?      
( )5. When is your birthday?      		              (B)                             
A. Tomorrow is Thursday.            
B. No! It's sunny tomorrow.        
C. My birthday is October twelfth.                                               
D. It's cloudy.                    
E. It's Wednesday.                 
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名词解释

基因(gene)
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