中级科普英语快速阅读PDF电子书下载

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Unit One　Why NASA Barred Women Astronauts 3

Timed Reading:Shuttle Launched:One Giant Leap for Womankind 10

Unit Two H1N1(Swine)Flu 15

Timed Reading:Coping with Colds 23

Unit Three Computers in Cars 29

Timed Reading:Two Views on Neural Computers 35

Unit Four Giraffes 39

Timed Reading:Gorilla Is Not as Mean as It Looks 45

Unit Five Building a Food Pyramid 51

Timed Reading:In Search of the Perfect French Fry 60

Unit Six Chew for Health 66

Timed Reading:Chew on This:Gum May Be Good for Body,Mind 74

Unit Seven "Fat"Gene Found by Scientists 80

Timed Reading:Kids with Obesity-linked Gene Like Fattening Foods 87

Unit Eight Can Laughter Cure Illness? 92

Timed Reading:Are Happy People Healthier? 99

Unit Nine Four Ways to Achieve Greater Happiness in Your Life 104

Timed Reading:Depression 111

Unit Ten Teens and Plastic Surgery 117

Timed Reading:Risks and Rewards of Plastic Surgery 124

Unit Eleven Wind Power May Have Its Own Environmental Problems 130

Timed Reading:White Roofs to Fight Global Warming 138

Unit Twelve Greenhouse Effect for Kids 143

Timed Reading:Facts about the Greenhouse Effect 150

Unit Thirteen The Greenest Green Energy—Fuel from Algae 155

Timed Reading:Alternative Energy 163

Unit Fourteen Ten Freaky Forces of Nature 168

Timed Reading:Raining Animals and Coins:Mystery of the History 175

Unit Fifteen Blue If You Want to Be Creative,Red If You Want to Be Diligent 180

Timed Reading:How Do We See Red?Count the Ways 187

Unit Sixteen Short Sleeper 192

Timed Reading:Genetic Mutation May Be Why Some People Need Less Sleep Than Others 199

Unit Seventeen Cloning 204

Timed Reading:How Do I Know if I'm Eating Cloned Meat? 212

Unit Eighteen The Internet Is Sick 217

Timed Reading:The Future of the Internet 224

Unit Nineteen Could Life on Earth Have Come from Ceres? 229

Timed Reading:Life's Evolution May Depend on Galaxy 236

Unit Twenty Pyramids 242

Timed Reading:Egyptian Lion Mummy Found in Ancient Tomb 248

真题篇 255

Test 1 CET-4,2009年6月 255

How Do You See Diversity? 255

Test 2 CET-4,2008年12月 260

That's Enough,Kids 260

Test 3 CET-4,2008年6月 265

Media Selection for Advertisements 265

Test 4 CET-4,2007年12月 270

Universities Branch Out 270

Test 5 CET-4,2007年6月 275

Protect Your Privacy When Job-hunting Online 275

Test 6 CET-6,2009年6月 279

Helicopter Moms vs.Free-range Kids 279

Test 7 CET-6,2008年12月 284

Supersize Surprise 284

Test 8 CET-6,2008年6月 289

What Will the World Be Like in Fifty Years? 289

Test 9 CET-6,2007年12月 295

Seven Ways to Save the World 295

Test 10　CET-6,2007年6月 300

Seven Steps to a More Fulfilling Job 300

Answer Keys 304