医学英语听力综合教程 1 公共健康新识PDF电子书下载

Unit1 Endangered Biodiversity and Health Risks 1

Section Ⅰ Intensive Listening 1

Human Health Depends on Biodiversity 2

Biodiversity Action Days 4

Section Ⅱ Extensive Listening 6

Tropical Biodiversity Can Thank Steady Temps 7

Why We Need Nature 7

Section Ⅲ Topics for Discussion and Report 8

Section Ⅳ Key to Exercises 9

Section Ⅴ Script for Audio and Video Clips 10

Unit2 Climatic Change and Health Risks 14

Section Ⅰ Intensive Listening 14

What Does Climate Change Have to Do with Human Health 15

Ozone Smog Pollution Expanding 16

Section Ⅱ Extensive Listening 18

Climate Change Ups Infectious Disease Risks 18

Study Shows Air Pollution Poses Greater Link to Heart Attack,Stroke 19

Section Ⅲ Topics for Discussion and Report 19

Section Ⅳ Key to Exercises 20

Section Ⅴ Script for Audio and Video Clips 21

Unit3 Urbanization and Health Risks to City dwellers 29

Section Ⅰ Intensive Listening 29

Urbanization Puts Public Health at Growing Risk 30

City Living Can Be Bad for Your Health 32

Section Ⅱ Extensive Listening 34

How Urban Policies Can Make City Living Healthier and Safer 35

Perspective on Health and Globalization 35

Section Ⅲ Topics for Discussion and Report 36

Section Ⅳ Key to Exercises 37

Section Ⅴ Script for Audio and Video Clips 38

Unit4 Noise Pollution and Health Risks 45

Section Ⅰ Intensive Listening 45

I Hear 46

Scientists Point to Possible Health Effects of Cell Phones 48

Section Ⅱ Extensive Listening 49

Traffic Noise Ups Elderly's Stroke Risk 50

Restaurant Noise Can Alter Food Taste 50

Section Ⅲ Topics for Discussion and Report 51

Section Ⅳ Key to Exercises 52

Section Ⅴ Script for Audio and Video Clips 52

Unit5 Water Scarcity and Sanitation Issue 56

Section Ⅰ Intensive Listening 56

How Neverending Quest for Water Has Defined Human History 57

Experts,Industry Leaders,Decision Makers Meet to Discuss World’s Water Problems 59

Section Ⅱ Extensive Listening 61

Impact of Safe Water on Global Health 62

How Much Water Do You Use 62

Section Ⅲ Topics for Discussion and Report 62

Section Ⅳ Key to Exercises 63

Section Ⅴ Script for Audio and Video Clips 65

Unit6 Combatting New Outbreaks of Infectious Diseases 71

Section Ⅰ Intensive Listening 71

Disease Outbreaks Reported Sooner 72

Virus Hunters Try to Unravel Flu Virus Mystery 74

Section Ⅱ Extensive Listening 76

Public Health:Try the Prevent Defense 76

Sneezes Provoke Fears beyond Illness 77

Section Ⅲ Topics for Discussion and Report 77

Section Ⅳ Key to Exercises 78

Section Ⅴ Script for Audio and Video Clips 79

Unit7 The Impo rtance of RegularHygienic Practices 84

Section Ⅰ Intensive Listening 84

Clean Hands Can Prevent the Spread of Disease 85

Putting Your Hands Together 87

Section Ⅱ Extensive Listening 89

Hand Hygiene Saves Lives 89

Health Begins at Home 90

Section Ⅲ Topics for Discussion and Report 90

Section Ⅳ Key to Exercises 91

Section Ⅴ Script for Audio and Video Clips 92

Unit8 The New DietaryGuidelines 95

Section Ⅰ I ntensive Listening 95

Diet and Human Action 96

U.S.Issues New Dietary Guidelines 98

Section Ⅱ Extensive Listening 99

U.S.School Tries to Build Healthier Food Culture,Part1 100

U.S.School Tries to Build Healthier Food Culture,Part2 100

Section Ⅲ Topics for Discussion and Report 101

Section Ⅳ Key to Exercises 102

Section Ⅴ Script for Audio and Video Clips 103

Unit9 The Longevity Diet 108

Section Ⅰ Intensive Listening 108

What Do the World’s Healthiest People Eat 109

Red Wine:A Fountain of Youth 111

Section Ⅱ Extensive Listening 112

Important Benefits of Healthy Eating,Part1 113

Important Benefits of Healthy Eating,Part2 113

Section Ⅲ Topics for Discussion and Report 114

Section Ⅳ Key to Exercises 115

Section Ⅴ Script for Audio and Video Clips 116

Unit10 Caution over Food Safety 121

Section Ⅰ Intensive Listening 121

Overhaul of Food Safety Laws in the U.S. 122

U.S.Passes Sweeping Food Safety Law 123

Section Ⅱ Extensive Listening 126

U.S.Moves to Improve Food Safety,Part 1 126

U.S.Moves to Improve Food Safety,Part 2 127

What You Didn’t Know about Cleaning 127

Section Ⅲ Topics for Discussion and Report 128

Section Ⅳ Key to Exercises 129

Section Ⅴ Script for Audio and Video Clips 130

Unit11 Health ConsequenceS of Lifestyle Factors 136

Section Ⅰ Intensive Listening 136

Study Says Preventable Diseases Reduce U.S.Life Expectancy 137

Lifestyle Choices Impact Health in China 138

Section Ⅱ Extensive Listening 141

Chronic,Noncommunicable Disease Is Leading Killer,Part1 141

Chronic,Noncommunicable Disease Is Leading Killer,Part2 142

Time Watching TV Ups Diabetes and Heart Risks 142

Section Ⅲ Topics for Discussion and Report 142

Section Ⅳ Key to Exercises 143

Section Ⅴ Script for Audio and Video Clips 144

Unit12 Health Benefits of Regular Physical Activity 150

Section Ⅰ Intensive Listening 150

Physical Activity:A Key in Preventing Some Cancers 151

Frequent Aerobic Exercisers Get Fewer Colds 153

Section Ⅱ Extensive Listening 155

A Little Exercise Can Do A Lot 155

Encourage Walking with Urban Planning 156

Section Ⅲ Topics for Discussion and Report 156

Section Ⅳ Key to Exercises 157

Section Ⅴ Script for Audio and Video Clips 158

Unit13 The Science of Mental Well-being 164

Section Ⅰ Intensive Listening 164

Suicide,the Leading Cause of Death Worldwide 165

France Wants Happiness Included in Progress Measures 167

Section Ⅱ Extensive Listening 168

Perception of Our Physical State when Depressed or Anxious 168

How Happiness Impacts Health 169

Section Ⅲ Topics for Discussion and Report 169

Section Ⅳ Key to Exercises 170

Section Ⅴ Script for Audio and Video Clips 171

Unit14 Benefits of Socializing 176

Section Ⅰ Intensive Listening 176

Family,Friends Help You Live Longer 177

Diverse Personal Networks Linked to Strong Local Economy 179

Section Ⅱ Extensive Listening 180

The Importance of Social Connectedness 181

Family Gatherings Are Opportunities for Medical Detective Work 181

Section Ⅲ Topics for Discussion and Report 181

Section Ⅳ Key to Exercises 182

Section Ⅴ Script for Audio and Video Clips 183

Unit15 Living Longer and Healthier 187

Section Ⅰ Intensive Listening 187

Long Life in the 21st Century 188

Inside to a Longer Life 189

Section Ⅱ Extensive Listening 192

The Longevity Factor 193

Secrets of a Long and Healthy Life 193

Section Ⅲ Topics for Discussion and Report 194

Section Ⅳ Key to Exercises 195

Section Ⅴ Script for Audio and Video Clips 196