Unit One Famous People 1
Passage 1 "Mother"of Harry Potter 2
Passage 2 The World's First Woman Doctor 6
Unit Two Customs 11
Passage 1 British Customs 12
Passage 2 The Story of St. Nicholas(The Original Santa Claus) 16
Unit Three Your Body Inside 21
Passage 1 How Do You Look Inside?(Ⅰ) 22
Passage 2 How Do You Look Inside?(Ⅱ) 24
Unit Four Health and Exercise 27
Passage 1 Everyday Activities Are Good for Your Health 28
Passage 2 Walking for Exercise:Improve Your Health 32
Unit Five Natural World 37
Passage 1 Animal Camouflage 38
Passage 2 Why Leaves Are Green 42
Unit Six Job Hunting and Getting a Job 47
Passage 1 Job Interview 48
Passage 2 The Best Way to Success Is Hard Work 51
Unit Seven Holidays and Festivals 57
Passage 1 Some Holidays in the U.S 58
Passage 2 Saint Valentine's Day 62
Unit Eight Cities and Countries 67
Passage 1 Canada 68
Passage 2 Statue of Liberty 72
Unit Nine Youth Activities 77
Passage 1 4-H 78
Passage 2 Individual Projects of the 4-H Members 81
Unit Ten Social Relations 85
Passage 1 Making Friends 86
Passage 2 Chuck's Friend 89
Unit Eleven Education and Entertainment 93
Passage 1 Australia:Homeschooled Children 94
Passage 2 "9·11"Looks Just Like a Movie 98
Unit Twelve Doctors and Diseases 103
Passage 1 U.S. Looks Abroad for Nurses 104
Passage 2 Risky Business 108
Unit Thirteen Climate and Weather 115
Passage 1 Climate Is Changing 116
Passage 2 You Can Make a Difference 119
Unit Fourteen Environment and Protection 125
Passage 1 Controlling the Weather 126
Passage 2 Water 129
Unit Fifteen Science and Development 133
Passage 1 The Happy Space Shuttle 134
Passage 2 Hearing Magic 137
Appendix Ⅱ Key to Exercises 141
Appendix Ⅱ Glossary 151