Book One 3
Unit One GROWNING UP 3
Unit Two FRIENDSHIP 9
Unit Three UNDERSTANDING SCIENCE 16
Unit Four AMERICAN DREAM 23
Unit Five ROMANCE 31
Unit Six ANIMAL INTELLIGENCE 39
Unit Seven EMERGENCY 45
Unit Eight COPING WITH AN EDUCATIONAL PROBLEM 51
Book Two 59
Unit One WAYS OF LEARNING 59
Unit Two VALUES 65
Unit Three THE GENERATION GAP 72
Unit Four THE VIRTUAL WORLD 77
Unit Five OVERCOMING OBSTACLES 84
Unit Six WOMEN,HALF THE SKY 90
Unit Seven LEARNING ABOUT ENGLISH 96
Unit Eight PROTECTING OUR ENVIRONMENT 104
Book Three 113
Unit One CHANGES IN THE WAY WE LIVE 113
Unit Two CIVIL-RIGHTS HEROES 121
Unit Three SECURITY 130
Unit Four EXTRATERRESTRIALS 138
Unit Five HOW TO CELEBRATE HOLIDAYS 147
Unit Six THE HUMAN TOUCH 155
Unit Seven MAKING A LIVING 162
Unit Eight CLONING 170
Book Four 179
Unit One FIGHTING WITH THE FORCES OF NATURE 179
Unit Two SMART CARS 186
Unit Three JOB INTERVIEW 193
Unit Four THE MULTICULTURAL SOCIETY 200
Unit Five CRUELTY 206
Unit Six THE PACE OF LIFE 213
Unit Seven TERRORISM 221
Unit Eight TRAVEL 228
参考文献 235
后记 236