Unit 1
Passage 1 The Creation of Microsoft
Passage 2 Yellowstone Volcano
Passage 3 Koshland Science Museum
Unit 2
Passage 1 The Environment--A Global Challenge
Passage 2 Dare to Dream
Passage 3 Mind Games
Unit 3
Passage 1 Get More Sleep--or It Will Get You
Passage 2 What''s Your Best Time of Day?
Passage 3 Never Too Late to Be Healthy
Unit 4
Passage 1 New Scientific Breakthroughs
Passage 2 Helping China Spend the Surplus
Passage 3 With YouTube, Grad Student Hits Jackpot Again
Unit 5
Passage 1 Hackers Are Enemy Number One on the Internet
Passage 2 The Web Lifestyle
Passage 3 Keeping in Touch the Blogger Way
Unit 6
Passage 1 Expel These Teachers
Passage 2 Let''s Put the Heat on Campus Cheats
Passage 3 Second Chance
Unit 7
Passage 1 Diabetes
Passage 2 They Own Your Body
Passage 3 Shaking the Salt Habit
Unit 8
Passage 1 Talkin'' Trash
Passage 2 Green Laws Gone Bad
Passage 3 The Car of the Future. It Talks,It Thinks, and It Can Drive Itself
Key to Exercises