Unit 1 World News: International Relations　Part I Wanning up　Part II News reports　Part III Anti-piracy mission　Part IV SpeechesUnit 2 World News: Earth and Environment　Part I Wanning up　Part II News reports　Part III City recycling　Part IV Language study and language appreciationUnit 3 World News: Economic Developments　Part I Warming up　Part II News reports　Part III Voice mail may cost company's business　Part IV Business jargon1Unit 4 World News: Up in Space　Part I Warming up　Part II News reports　Part III Returning to the Moon　Part IV Language study and language appreciationUnit 5 New Explorations in Food and Medicine　Part I Warming up　Part II Eating right for good health　Part III Medical emergency 9113　Part IV Keeping the country healthyUnit 6 Breakthroughs in Science and Technology　Part I Warming up　Part II Human genome project2　Part III Latest breakthroughs in technology5　Part IV Language study and language appreciationUnit 7 Future of Communication　Part I Warming up1　Part II New ways to communicate4　Part III Digital McLuhan　Part IV Technical jargonUnit 8 New Ideas, New Architecture　Part I Warming up3　Part II Eco-conscious construction7　Part III Tomorrow's house1　Part IV Language study and language appreciation3Unit 9 Ways to Travel　Part I Wanning up7　Part II Public transportation　Part III Cross the Channel3　Part IV Southwest5Unit 10 Love and Hate of Oil　Part I Warming up9　Part II Oil reserves and parking places　Part III A motor city breakthrough: the electric car　Part IV Clean air carsUnit 11 A Fast Growing Economy: Tourism　Part I Warming up1　Part II Welcome to China　Part III New Seven Wonders of the World　Part IV Language study and language appreciationUnit 12 ReviewA.Revolutionary carB.Fox Hollow golf courseC.Friends reunitedD.Beware hackers!E.Housing problemsF.The future of the phoneVocabularyAcknowledgements