Unit 1 1
Intelligence 1
Is the Octopus a Human Killer? 2
Honeybee's Life in a Colony 4
How to Grow Old? 5
Are Moral Standards Declining? 6
The Meanings of Residential Mobility 8
The Finger of Suspicion 10
The Study of Liberal Arts 11
Who Are Susceptible to Colds? 13
The Varieties of American Newspapers 14
Unit 2 16
Are Camels Obedient Beasts of Burden? 16
Sunlight 17
The Power of Voice 18
Energy 20
Earthquake 21
How to Train Your Dogs? 23
A Woman Writer 25
Psychology and Consumer 26
Top Earning Wives and Their Marriages 28
Crimes 29
Unit 3 31
Life in the Future 31
Health-Related Behaviors 32
The First Subway 34
Heroes 35
Neanderthals 37
High-tech Communications 38
Organ Transplant 40
Reading 42
Population and Food 44
Sport 45
Unit 4 47
Pay Structure 47
Social Status 48
Social Factors and Music Prodigies 50
Standard English 51
Insurance 53
Earthquake Prediction 55
Clouds 56
Libraries 58
Caution with Concrete 59
Liquid and Gas 61
Unit 5 63
Libraries in Metropolitan Areas 63
Accidents and Human Behavior 64
A Refused Letter 66
Rock Music 67
Treatment of Bedtime Tantrums 69
Population 70
School Phobia 72
Individual,Group and Crowd 73
Gestures 75
Turkey—The Symbol of America? 76
Unit 6 79
The Effect of Noise Pollution 79
Objects in Space 80
Scientific Explanation 82
Courses in University 83
Trees 85
Braille 86
Can Clothes Reveal Ourselves? 88
How to Stay Young 89
Stradivari's Violins 91
Thinking and Feeling 92
Unit 7 94
Hunting and Sporting Activities 94
Tourism 95
The Prolonged Life 97
Greenpeace 98
A New Transformation of Hospitals 100
A Significant Economic Issue—Inflation 101
The Basic Economic Systems 103
What Attracts One to Another 105
A New Way to Keep Food Fresh 106
The Search for a Vaccine Against Malaria 108
Unit 8 110
The Effect of Air Pollution 110
Adaptation of Living Things 111
Many Divisions of Physics 113
Competition in America 114
Fallacies about Food 116
Appropriate Technology 118
Birds and Planes 120
How to Do Exercise 121
Intelligence and Environment 123
The Selection of English Teachers 124
Unit 9 126
Olympic Sponsors 126
How to Seek and Save Employees 127
Believe Evidence or Not 129
Mr. and Mrs. Lester 130
Language and Culture 132
The Private Ownership of Hydrogen Bombs 134
Noise and Health 135
Virus Blockers 137
G and PG Movies 138
Gallup Extreme Magic 140
Unit 10 142
Culture Differences 142
Parental Influence in Education 144
Teaching and Research 145
Stereotypes 147
Opportunities and Concentration 149
Stokoe and Sign Language 151
Language and Brain Development 152
Real Beauty 154
Elite Pool 156
Tips on Public Speaking 157
Unit 11 159
Proteins in a Balanced Diet 159
Teachers and Pupils' Attitudes 160
Women's Well-Being 162
Beauty 163
Violence in American Families 165
Glass 166
Media Impact 168
Adolescence 170
Preparations for Job Interviews 172
Animal Experiments 173
Unit 12 175
What Is Nourishing to Eat? 175
Sex Prejudice 176
New Life for the Handicapped 178
Three English Dictionaries 179
Patent 181
Credit Terms in Transactions 183
Survival in Desert 184
Eyes—Windows of the Soul 186
Poverty 187
Animal Agriculture 189
Unit 13 191
Bright or Not-So-Bright 191
Computer Crimes 192
Getting an Education 194
The Computer and the Law 196
Education—Global Enterprise 197
Hi-tech in Developing Countries 199
The Age of the Internet 200
Old Love,Old Tunes 202
Television 204
Mars Exploration 205
Unit 14 208
British Free Education Is at Risk 208
Culture Activities 210
On Intelligent People 211
Dialect and Language 213
New Life of Clinton 215
The Curse on TV 217
Bits 218
Arranged Marriages in India 220
The Golden Mean(PHI) 222
The Antler Riddle 224
Unit 15 226
Music-Culture 226
The Internet's New Application 228
Worrying Trend of Reading Ability 229
How to Make Better Use of Humor 231
Influence on Children's Personality 233
Useless Generosity 234
Challenging Medical Treatment 236
Access to the Internet 238
Culture Shock 240
An Analysis before Iraq War 241
Unit 16 243
New Eating Trend 243
Britain's Food Production 244
Accountability 246
The Theory of Losing Weight 248
Global Climate Will Keep Changing 249
The Oil Price Change Analysis 251
Experiment on Chimpanzees 253
The Solution to the Problems in INS 254
Growing Older 256
The Development of Information Carrier 258
Unit 17 260
Wood or Brick 260
Viruses 261
Vitamin C and Cancer 263
Laughter Works 264
Memories of School Years 266
Manners on the Road 267
Water in a Growing Plant 269
Lecture Method 271
Safeguard It 273
Types of Personality 274
Reference Keys 276