Unit 1 Education Is a Key 　Part Ⅰ Warming up 　Part Ⅱ Educational systems 　Part Ⅲ University life 　Part Ⅳ University campus Unit 2 Colorful Lands. Colorful People 　Part Ⅰ Warming up 　Part Ⅱ The world's six billionth inhabitant 　Part Ⅲ Features of the earth 　Part Ⅳ Short talks on listening skills 　Focus on the Main Idea Unit 3 Travelling from Place to Place 　Part Ⅰ Warming up 　Part Ⅱ It's the only way to travel 　Part Ⅲ Villa Rentals 　Part Ⅳ Language study and language appreciate Unit 4 Approaching Culture 　Part Ⅰ Warming up 　Part Ⅱ Places to enjoy 　Part Ⅲ Life here and there 　Part Ⅳ International business Unit 5 Net Changes Life 　Part Ⅰ Warming up 　Part Ⅱ Network and networking 　Part Ⅲ Future of the Internet 　Part Ⅳ Short talks on listening skills Be Careful with Numbers Unit 6 For the Glory of Sport 　Part Ⅰ Warming up 　Part Ⅱ The sporting spirit 　Part Ⅲ Sports and entertainment choices 　Part Ⅳ Language study and language appreciation Unit 7 Transportation 　Part Ⅰ Warming up 　Part Ⅱ Green Transportation Festival 　Part Ⅲ The UN Road Safety Week 　Part Ⅳ Asia's cities face gridlock Unit 8 Trends in Economics 　Pant Ⅰ Warming up 　Part Ⅱ Nobel Prize winner for economics 　Part Ⅲ "Bulls" and "bears" 　Part Ⅳ Short talks on listening skills Thinking Ahead of the Speaker-Anticipation Helps Unit 9 For Peace and Development 　Part Ⅰ Warming up 　Part Ⅱ The Panama Canal handover 　Part Ⅲ UN peacekeeping missions 　Part Ⅳ Language study and language appreciation Unit 10 Happy New Year 　Part Ⅰ Warming up 　Part Ⅱ Chinese New Year 　Part Ⅲ The time ball 　Part Ⅳ What's your New Year's resolution? Unit 11 Visions of the Future 　Part Ⅰ Warming up 　Part Ⅱ The Times capsule 　Part Ⅲ Predictions on tomorrow 　Part Ⅳ Language study and language appreciation Unit 12 Dictation Vocabulary Acknowledgements