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Student IX
-questions- 1. what are the characteristics of birds? what member are birds? 3. what is the meaning of vertebrate? 4. do birds have same characteristics with other animals? 5. what is the similarity between birds and reptile? 6. why have people been long fascinated by birds? 7. why are birds useful for humans? 8. what is the key basis for the rapport between human and birds? 9. what is function of birds related to healthy enviroment? 10. find the generic structure of the text above
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