CONTENTS 1
UNIT 1 Animals 1
Intensive Reading Do Animals Have a Culture? 1
Extensive Reading Ⅰ Grey Squirrel 9
Extensive Reading Ⅱ Animals at Risk:Who Cares? 12
UNIT 2 Sports 19
Intensive Reading Football 19
Extensive Reading Ⅰ X-sports 26
Extensive Reading Ⅱ Ceremonies ofthe Olympic Games 29
UNIT 3 Health 35
Intensive Reading How Love Heals 35
Extensive Reading Ⅰ Research into Laughter Is Long Overdue 42
Extensive Reading Ⅱ A Perfect Way to Good Health—Walking 45
UNIT 4 Life 51
Intensive Reading Full Circle 51
Extensive Reading Ⅰ Shake It offand Step up! 56
Extensive Reading Ⅱ A Hunter 59
UNIT 5 Environment 65
Intensive Reading The Earth's Spreading Deserts 65
Extensive Reading Ⅰ The Importance ofTrees 70
Extensive Reading Ⅱ Shrinking Water's Supply Poses Threat to Peace 73
UNIT 6 Customs 79
Intensive Reading Wedding Customs and Superstitions 79
Extensive Reading Ⅰ What's Typically British 85
Extensive Reading Ⅱ Watch Your Hand Gestures 88
Intensive Reading When Did AIDS Begin? 94
UNIT 7 The Studies of Diseases 94
Extensive Reading Ⅰ Lifestyle Plays Bigger Part than Genes in Cancer Risk 102
Extensive Reading Ⅱ Rabies 106
UNIT 8 Education 114
Intensive Reading Strive for the Most You Can Achieve 114
Extensive Reading Ⅰ Why So Many Students Go abroad for Education 119
Extensive Reading Ⅱ Learning to Learn:How Chinese Education Can Take a Great Leap forward 123
UNIT 9 Communication 130
Intensive Reading The Beginning ofthe Air Mail 130
Extensive Reading Ⅰ The Telephone of Today and Tomorrow 135
Extensive Reading Ⅱ Calling All Wrist Phones 138
Intensive Reading The Gene Industry 144
UNIT 10 Science and Technology 144
Extensive Reading Ⅰ Network 150
Extensive Reading Ⅱ New Observatory Can Do Amazing Things 154
UNIT 11 Terrorist Attack and Violence 160
Intensive Reading Pentagon Crash Survivor 160
Extensive Reading Ⅰ Teenage Violence 165
Extensive Reading Ⅱ The Last Miracle 168
UNIT 12 Women Today 173
Intensive Reading The Second Wave ofFeminism 173
Extensive Reading Ⅰ Women's Marriage in Japan 177
Extensive Reading Ⅱ The American Women Today 180
Keys 186