Unit One Famous People
Passage 1 "Mother" of Harry Potter
Passage 2 The World's First Woman Doctor
Unit Two Customs
Passage 1 British Customs
Passage 2 The Story of St. Nicholas （The Original Santa Claus）
Unit Three Your Body Inside
Passage 1 How Do You Look Inside？（ I ）
Passage 2 How Do You Look Inside？（ II ）
Unit Four Health and Exercise
Passage 1 Everyday Activities Are Good for Your Health
Passage 2 Walking for Exercise: Improve Your Health
Unit Five Natural World
Passage 1 Animal Camouflage
Passage 2 Why Leaves Are Green
Unit Six Job Hunting and Getting a Job
Passage 1 Job Interview
Passage 2 The Best Way to Success Is Hard Work
Unit Seven Holidays and Festivals
Passage 1 Some Holidays in the U.S
Passage 2 Saint Valentine's Day
Unit Eight Cities and Countries
Passage 1 Canada
Passage 2 Statue of Liberty
Unit Nine Youth Activities
Passage 1 4-H
Passage 2 Individual Projects of the 4-H Members
Unit Ten Social Relations
Passage 1 Making Friends
Passage 2 Chuck's Friend
Unit Eleven Education and Entertainment
Passage 1 Australia: Homeschooled Children
Passage 2 "9 · 11" Looks Just Like a Movie
Unit Twelve Doctors and Diseases
Passage 1 U.S. Looks Abroad for Nurses
Passage 2 Risky Business
Unit Thirteen Climate and Weather
Passage 1 Climate Is Changing
Passage 2 You Can Make a Difference
Unit Fourteen Environment and Protection
Passage 1 Controlling the Weather
Passage 2 Water
Unit Fifteen Science and Development
Passage 1 The Happy Space Shuttle
Passage 2 Hearing Magic
Appendix I Key to Exercises
Appendix II Glossary
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