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Introduction 4
Table of Contents 5
How to Study 6
Unit 1 Living in America 9
Unit 2 Global Culture 25
Unit 3 Outer Space 41
Unit 4 Playing Sports 57
Appendix 74
Words＆Expressions 74
Power Up!Listening_Dictation＆Script 81
Level 6 Book 2 Syllabus 84