Unit 1 Air Fit to Breathe 1
【Reading material】 Recycling the World 5
Unit 2 Glass： On the Cutting Edge 8
【Reading material】 History of Chemistry 11
Unit 3 Detergent 16
【Reading material】 Numbers in Physical Quantities 21
Unit 4 Conductivity without Metals 24
【Reading material】 Units of Measurement 28
Unit 5 Applications of Electrolysis 31
【Reading material】 Nomenclature of Inorganic Compounds 34
Unit 6 All Shapes and Sizes 41
【Reading material】 Nomenclature for Organic Compounds and Groups 45
Unit 7 The Global Warmers 53
【Reading material】 Origin of the Gene Banks 56
Unit 8 Traffic Technology Drives to Clear the Road 60
【Reading material】 Facts in the Development of Transportation 63
Unit 9 GM Organisms—Is GM the Future？ 67
【Reading material】 Genetic Modifiication 72
Unit 10 Climate Change 76
【Reading material】 Hurricanes 79
Unit 11 Pesticides and Pest Control 84
【Reading material】 Clean Production 89
Unit 12 Energy 94
【Reading material】 The Future of Clean Coal 99
Unit 13 Carbon Capture Strategy Could Lead To Emission-free Cars 103
【Reading material】 Food Containers Leach a PotentiallyHarmful Chemical 107
Unit 14 Spy Satellite 113
【Reading material】 A Review of the U.S.Missile Defence System 117
Unit 15 America’s Wetlands （1） 122
【Reading material】 America’s Wetlands （2） 126
Unit 16 Creating Molecules and Materials by Design （1） 131
【Reading material】 Creating Molecules and Materials by Design （2） 136
Appendix 1科技英语词汇构成及翻译 140
Appendix 2科技英语常用前缀和后缀 146