ContentsPreface 前言To the Instructor 写给读者的话Unit I:CHILDREN AND ANIMALS 1
1 Swim First,Walk Later 2
2 An Orphanage for Some Big Babies 12
Vocabulary Review:UnitⅠ 21
UnitⅡ:FAMILY TIES 25
3 Finding Yourself on Your Family Tree 26
4 The Food of Love 36
Vocabulary Review:UnitⅡ 44
UnitⅢ:FOREIGN TRAVEL 49
5 The King and I 50
6 Surprising Reykjav？k 60
Vocabulary Review:UnitⅢ 69
UnitⅣ:HOME ENTERTAINMENT 73
7 A Language Lesson I Learned 74
8 Hooked on Telenovelas 84
Vocabulary Review:UnitⅣ 94
UnitⅤ:HUMAN LIFE SCIENCES 99
9 Cloning:Duplicating Human Beings 100
10 Extending the Human Life Span 110
Vocabulary Review:UnitⅤ 119
UnitⅥ:BUSINESS AFFAIRS 123
11 Mini Computer Moguls 124
12 Tower Power 134
Vocabulary Review:UnitⅥ 145
UnitⅦ:THE FUTURE 149
13 Greenhouse Common Sense 150
14 in Search of ETs 160
vocabulary Review:UnitⅦ 168
Answer Key 173
参考译文 187
单词 201
Copyrights and Acknowledgments/Photo Credits 211