Unit 1 Energy Ⅰ Background Information Ⅱ Brief Introduction Ⅲ Text Structure Analysis Ⅳ Language Points Ⅴ Key to Exercises Ⅵ Chinese Version Unit2 the Value of Life Ⅰ Background Information Ⅱ Brief Introduction Ⅲ Text.Structure Analysis Ⅳ Language Points Ⅴ Key ti Exercises Ⅵ Chinese Version Unit 3 Youth Today Ⅰ Background Information Ⅱ Brief Introduction Ⅲ Text Structure Analysis Ⅳ Language Points Ⅴ Key to Exercises Ⅵ Chinese Version Unit 4 Technology and Humanity Ⅰ Background Information Ⅱ Brief Introduction Ⅲ Text Structure Analysis Ⅳ Language Points Ⅴ Key to Exercises Ⅵ Ghinese Version Unit 5 Gender Differences Ⅰ Background information Ⅱ Brief Introduction Ⅲ Text Structure Analysis Ⅳ Language Points Ⅴ Key to Exercises Ⅵ Ghinese Version Unit 6 Three Days to See Ⅰ Background Information Ⅱ Brief Introduction Ⅲ Text Structure Analysis Ⅳ Language Points Ⅴ Key to Exercises Ⅵ Ghinese Version Unit 7 Education Ⅰ Background Information Ⅱ Brief Introduction Ⅲ Text Structure Analysis Ⅳ Language Points Ⅴ Key to Exercises Ⅵ Ohinese Version Unit 8 Harmony and the Dream Ⅰ Background Information Ⅱ Brief Introduction Ⅲ Text Structure Analysis Ⅳ Language Points Ⅴ Key to Exercises Ⅵ Chinese Version Listening and Speaking Unit 1 Daily Life Unit 2 Education Unit 3 Youth Today Unit 4 Culture Unit 5 Gender Differences Unit 6 Technology and Humanity Unit 7 success & Happiness Unit 8 Famous People