2016-2017学年 人教版 必修2 unit1 Cultural relics using language 课件 (7)
2016-2017学年 人教版 必修2 unit1 Cultural relics  using language 课件 (7)第5页

1. Why was the Aswan Dam built? Was it successful? 1) The dam was built to stop floods on the Nile River. 2) It was built to give people more electricity.