再版前言使用说明实践篇
Unit One Why NASA Barred Women Astronauts Timed Reading: Shuttle Launched: One Giant Leap for Womankind
Unit Two H1N1 （Swine） Flu Timed Reading: Coping with Colds
Unit Three Compute in Ca Timed Reading: Two Views on Neural Compute
Unit Four Giraffes Timed Reading: Gorilla Is Not as Mean as It Looks
Unit Five Building a Food Pyramid Timed Reading: In Search of the Perfect French Fry
Unit Six Chew for Health Timed Reading: Chew on This: Gum May Be Good for Body, Mind
Unit Seven "Fat" Gene Found by Scientists Timed Reading: Kids with Obesity-linked Gene Like Fattening Foods
Unit Eight Can Laughter Cure Illness? Timed Reading: Are Happy People Healthier?
Unit Nine Four Ways to Achieve Greater Happiness in Your Life Timed Reading: Depression
Unit Ten Tee and Plastic Surgery Timed Reading: Risks and Rewards of Plastic Surgery
Unit Eleven Wind Power May Have Its Own Environmental Problems Timed Reading: White Roofs to Fight Global Warming
Unit Twelve Greenhouse Effect for Kids Timed Reading: Facts about the Greenhouse Effect
Unit Thirteen The Greenest Green Energy——Fuel from Algae Timed Reading: Alternative Energy
Unit Fourteen Ten Freaky Forces of Nature Timed Reading: Raining Animals and Coi : Mystery of the History
Unit Fifteen Blue If You Want to Be Creative, Red If You Want to Be Diligent Timed Reading: How Do We See Red? Count the Ways
Unit Sixteen Short Sleeper Timed Reading: Genetic Mutation May Be Why Some People Need Less Sleep Than Othe
Unit Seventeen Cloning Timed Reading: How Do I Know if I'm Eating Cloned Meat?
Unit Eighteen The Internet Is Sick... Timed Reading: The Future of the Internet
Unit Nineteen Could Life on Earth Have Come from Ceres? Timed Reading: Life's Evolution May Depend on Galaxy
Unit Twenty Pyramids Timed Reading: Egyptian Lion Mummy Found in Ancient Tomb
真题篇
Test 1 CET-4 2009年6月 How Do You See Dive ity?
Test 2 CET-4 2008年12月 That's Enough, Kids
Test 3 CET-4 2008年6月 Media Selection for Advertisements
Test 4 CET-4 2007年12月 Unive ities Branch Out
Test 5 CET-4 2007年6月 Protect Your Privacy When Job-hunting Online
Test 6 CET-6 2009年6月 Helicopter Moms vs. Free-range Kids
Test7 CET-6 2008年12月 Supe ize Surprise
Test 8 CET-6, 2008年6月 What Will the World Be Like in Fifty Yea ?
Test 9 CET-6, 2007年12月 Seven Ways to Save the World
Test 10 CET-6, 2007年6月 Seven Steps to a More Fulfilling Job A wer Keys
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