CONTENTS

Unit 1 Brave New World

Text A Some Scientists Suggest Relativity May Be，Well，Relative

Text－orientated exerciss

Text B Scientists Discover a New Way to Slow Speed of Light

Text C Scientists Report Hottest，Densest Matter Ever Observed

Unit 2 An Age of Gene

Text A Is Race Real？

Text B DNA Power Computing？Could Be？

Text C Scientists Say They’ve Cloned a Horse

Unit 3 A Magic of Numbers

Text A Maths World Abuzz with Prime Proof

Text B Safety in Numbers

Text C Beckham in His Prime Number

Unit 4 Environmental Protection

Text A Pollution Scenario

Text－orientated exercises

Text B Climate Change Scenario

Text C Population Scenario

Text A Five Patents That Changed E－Business

Unit 5 E－Business

Text－orientated exercises

Text B Seeking an Edge

Text C Making Cents Can Make Sense

Unit 6 Economics

Text A Politics Rescue Euro From Stability Agreement

Text－orientated exercises

Text B U.S.－Europe Discord Rocks the Shared Economic Boat

Text C Tax Policy That Uses Economies of Scales

Text A Twilight of the PC Era？

Unit 7 Information Technology

Text－orientated exercises

Text B The Lowdown on Downloads

Text C Commercial Software Aided Reboot on Mars

Unit 8 Health

Text A Give More Joy to Your World：Cut Holiday Stress

Text－orientated exercises

Text B Drug－Free Food

Text C You Are Not the Only One