大学英语跟踪阅读 4 第2版PDF电子书下载

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