Unit Ⅰ： CHILDREN AND ANIMALS 1
1 Swim First，Walk Later 2
2 An Orphanage for Some Big Babies 12
Vocabulary Review：Unit Ⅰ 21
Unit Ⅱ：FAMILY TIES 25
3 Finding Yourself on Your Family Tree 26
4 The Food of Love 36
Vocabulary Review：Unit Ⅱ 44
Unit Ⅲ：FOREIGN TRAVEL 49
5 The King and I 50
6 Surprising Reykjavík 60
Vocabulary Review：Unit Ⅲ 69
Unit Ⅳ：HOME ENTERTAINMENT 73
7 A Language Lesson ？ Learned 74
8 Hooked on Telenovelas 84
Vocabulary Review：Unit Ⅳ 94
Unit Ⅴ：HUMAN LIFE SCIENCES 99
9 Cloning：Duplicating Human Beings 100
10 Extending the Human Life Span 110
Vocabulary Review：Unit Ⅴ 119
Unit Ⅵ：BUSINESS AFFAIRS 123
11 Mini Computer Moguls 124
12 Tower Power 134
Vocabulary Review：Unit Ⅵ 145
Unit Ⅶ：THE FUTURE 149
13 Greenhouse Common Sense 150
14 In Search of ETs 160
Vocabulary Review：Unit Ⅶ 168
Answer Key 173
参考译文 187
单词 201
Copyrights and Acknowledgments 211