Unit 1 Automobiles TEXT A Mapping Out the Future ofCars TEXT B Electric Cars：Running Low on Ideas TEXT C The Big Three Drive a Growing Manufacturing Sector Unit 2 Computers TEXT A Building Better Ultralight Computers TEXT B IBM Boosts Food Safety with Software TEXT C Eight Golden Lessons from Steve Jobs Unit 3 Power of Biotechnology TEXT A Genetically Modified Foods：Are They Safe TEXT B GM Food Toxins Found in UnbIom Babies TEXT C Silent Sprin9 Unit 4 Impact of Telecommunication TEXT A How the Smartphone Is Killing the PC TEXT B Telecom Companies on the Ropes TEXT C Cell Phone Use May Have Effect on Brain Activity Unit 5 Global Warmin9 TEXT A Warming Climate Threatens ReefDestruction TEXT B Temperatures Could Cook Coral to Death TEXT C Cuts in Non―C02 Pollutants May Slow Climate Change Unit 6 Renewable Energy TEXT A A Recipe for Solar Energy：Learning from Nature TEXT B The Limitless Potential of Sewage TEXT C New Energy Rev01ution Unit 7 Development of New Material TEXT A Light from Vacuum TEXT B Graphene in High―Speed Intemet TEXT C Graphene and Nanodroplet Unit 8 Instruments TEXT A Lens to Create 3D Images TEXT B Curvilinear Camera TEXT C Identifying Facial Sketches Unit 9 Space Discovery TEXT A A Future Vehicle TEXT B Danger or Safe TEXT C The Mystery of Sunspots Unit 10 Science and Humanity TEXT A Why Businessman Should Study History TEXT B Undefeated British TEXT C The Struggling of Early Chinese Americans Keys to Exercises
