目录 List 1Unit 1 Unit 2Unit 3 Unit 4 Unit 5 Unit 6 Unit 7 Unit 8Unit 9 Unit 10List 2Unit 1 Unit 2Unit 3 Unit 4 Unit 5 Unit 6 Unit 7 Unit 8Unit 9 Unit 10List 3Unit 1 Unit 2Unit 3 Unit 4 Unit 5 Unit 6 Unit 7 Unit 8Unit 9 Unit 10List 4Unit 1 Unit 2Unit 3 Unit 4 Unit 5 Unit 6 Unit 7 Unit 8Unit 9 Unit 10List 5Unit 1 Unit 2Unit 3 Unit 4 Unit 5 Unit 6 Unit 7 Unit 8Unit 9 Unit 10List 6Unit 1 Unit 2Unit 3 Unit 4 Unit 5 Unit 6 Unit 7 Unit 8Unit 9 Unit 10List 7Unit 1 Unit 2Unit 3 Unit 4 Unit 5 Unit 6 Unit 7 Unit 8Unit 9 Unit 10List 8Unit 1 Unit 2Unit 3 Unit 4 Unit 5 Unit 6 Unit 7 Unit 8Unit 9 Unit 10List 9Unit 1 Unit 2Unit 3 Unit 4 Unit 5 Unit 6 Unit 7 Unit 8Unit 9 Unit 10List 10Unit 1 Unit 2Unit 3 Unit 4 Unit 5 Unit 6 Unit 7 Unit 8Unit 9 Unit 10List 11Unit 1 Unit 2Unit 3 Unit 4 Unit 5 Unit 6 Unit 7 Unit 8Unit 9 Unit 10List 12Unit 1 Unit 2Unit 3 Unit 4 Unit 5 Unit 6 Unit 7 Unit 8Unit 9 Unit 10List 13Unit 1 Unit 2Unit 3 Unit 4 Unit 5 Unit 6 Unit 7 Unit 8Unit 9 Unit 10List 14Unit 1 Unit 2Unit 3 Unit 4 Unit 5 Unit 6 Unit 7 Unit 8Unit 9 Unit 10List 15Unit 1 Unit 2Unit 3 Unit 4 Unit 5 Unit 6 Unit 7 Unit 8Unit 9 Unit 10List 16Unit 1 Unit 2Unit 3 Unit 4 Unit 5 Unit 6 Unit 7 Unit 8Unit 9 Unit 10List 17Unit 1 Unit 2Unit 3 Unit 4 Unit 5 Unit 6 Unit 7 Unit 8Unit 9 Unit 10 作者介绍 顶上英语是一所线上英语学校,由一群英语名师和IT极客创立,获得李开复老师领衔的创新工场天使投资,秉承“课程,在家上”的理念,将互联网技术融合到教学教研中,通过教研产品化、教学个性化、练习智能化、测评系统化和服务极致化五个维度,持续研发面向未来的英语教学体系。 序言
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