新编科技英语阅读教程PDF电子书下载

Unit 1 Cybersecurity 1

Text A BioVault Locks Up Biometrics 1

Text B New Chip Brings Military Security to Commercial Processors[Abridged] 9

Unit 2 Science Mystery 17

Text A The Great Ketchup Mystery 17

Text B The Mystery of the Bermuda Triangle 26

Unit 3 Biometrics 32

Text A How will Increasingly Sophisticated Biometric Teehnologies Affect You? 32

Text B Financial Institutions Evaluate Biometrics 39

Unit 4 Psychology 46

Text A Gene plus Stress Equals Depression Debate 46

Text B Work:Kindness and Corporation 54

Unit 5 Energy 60

Text A Nuclear Fusion:Energy for the Future? 60

Text B Energy Independence and Climate Change:Linked But Separate 69

Unit 6 Ecology 76

Text A Extinction Crisis Looms in Oceania 76

Text B Bio-Invaders 86

Unit 7 Agriculture 96

Text A Optimistic Future for Agriculture Predicted 96

Text B Sustainable Agriculture:Perennial Plants Produce More;Landscape Diversity Creates Habitat for Pest Enemies 106

Unit 8 Arctic and Antarctic 112

Text A The Last Unexplored Place on Earth(Extracted) 112

Text B Arctic Land Grabs could cause Eco-Disaster 122

Unit 9 Endangered Species 130

Text A Willdife Conservation 2.0 130

Text B 10 Studies that Revealed the Great Global Amphibian Die-Offand Some Possible Solutions 140

Unit 10 Genetic Engineering 147

Text A Evolution by Intelligent Design 147

Text B Building Better Humans 156

Unit 11 Disease and Treatment 164

Text A Mosquito and Cucumber Salad Anyone? 164

Text B Is Hypnosis Moving Closer to Mainstream Medicine? 174

Unit 12 Nuclear Power 180

Text A Oil Is Out;Is Nuclear In? 180

Text B The Necessity of Nuclear Power 190

Unit 13 Material Science 196

Text A The Kilogram Isn't What It Used to Be—It's Lighter 196

Text B How to Build an Invisibility Cloak 207

Unit 14 Mars 214

Text A Terraforming Mars 214

Text B The Truth about Water on Mars:5 New Findings 225

Unit 15 Space Travel 231

Text A Russia's Dark Horse Plan to Get to Mars 231

Text B Solar Sailing 241

Unit 16 Mind and Brain 248

Text A The Big Similarities and Quirky Differences between Our Left and Right Brains 248

Text B Is Patriotism a Subconscious Way for Humans to Avoid Disease? 258

Keys to Exercises 266