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 Computers in Cars
Timed Reading: Two Views on Neural Computers
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 Teens 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 Coins: 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 Others
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
Test 1 CET-4, 2009年6月
How Do You See Diversity?
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
Universities 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
Test 7 CET-6, 2008年12月
Supersize Surprise
Test 8 CET-6, 2008年6月
What Will the World Be Like in Fifty Years?
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
