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Unit 1 Social Science 1

Text A The Joy of SOHO:Making a Life While Making a Living 2

Text B Work,Labor and Play 14

Unit 2 Finance 23

Text A Background to the Euro 24

Text B The Credit Card Economy 37

Unit 3 Environment 46

Text A Climate and the Human Factor 47

Text B S.O.S 60

Unit 4 Biological Science 70

Text A Will Genetically Modified Food Feed the World? 71

Text B Extinction,Past and Present 83

Unit 5 Computer 94

Text A What Will Replace the Internet? 95

Text B Computer Viruses 107

Unit 6 Business Administration 117

Text A Business Management 118

Text B Management of Sino-foreign Joint Ventures 131

Unit 7 Petroleum and Geology 141

Text A Geology and the Search for Petroleum 142

Text B Petroleum 156

Unit 8 Health 167

Text A Exercise Improves Your Mind and Your Mood 168

Text B Brain Activity Differs for Creative and Noncreative Thinkers 180

Unit 9 Space Exploration 190

Text A Our Picture of the Universe 191

Text B Sister Earth 203

Unit 10 Energy and Resources 212

Text A The Oceans—Man's Last Great Resources 213

Text B A New Energy Framework 225