Chapter 1 Environment Report 1
Unit 1 Air Pollution/Lung Cancer 1
Unit 2 Antarctic Ice 2
Unit 3 Nuclear Waste 4
Unit 4 World's Forests Endangered 5
Unit 5 Medicinal Plant Conservation 7
Unit 6 Carbon Dioxide 8
Unit 7 Apes Endangered 10
Unit 8 Coral Reef Systems Threatened 11
Unit 9 Weather and Plant Growth Study 13
Unit 10 Doppler Radar 14
Unit 11 Loss of Ozone Slows 16
Unit 12 Conditions in China 17
Unit 13 Rooftop Gardens 19
Unit 14 Tornadoes 20
Unit 15 Effects of Global Warm 22
Unit 16 Solar House Competition 23
Unit 17 Summit on Sustainable Development 25
Unit 18 Pollution Threatens Water Cycle 27
Chapter 2 Agriculture Report 29
Unit 1 Salt-Resistant Tomato 29
Unit 2 Plants that Absorb Metals 30
Unit 3 Growing Carrots 32
Unit 4 Farm Safety 33
Unit 5 Conservation Agriculture 34
Unit 6 Antibiotics in Animals 36
Unit 7 Mad Cow Disease in Japan 37
Unit 8 Tsetse Fly Threat to Agriculture 39
Unit 9 Genetic Engineering Debate 40
Unit 10 Treating Stress in Animals 41
Unit 11 Solar Food Dryers 43
Unit 12 Fertilizer 44
Unit 13 International Conference Looks at Agricultural Science and Technology 45
Unit 14 WWOOF:World-Wide Opportunities on Organic Farms 46
Unit 15 2004 Good Year For U.S.Farmers 48
Unit 16 Growing Vegetables in the Shade 49
Unit 17 Red Tides 51
Unit 18 Raising Sheep 52
Unit 19 Tsunami's effect on agriculture 53
Chapter 3 Development Report 55
Unit 1 Vietnam and Malaria 55
Unit 2 Drug Trade in Developing Countries 56
Unit 3 Oxfam 58
Unit 4 Digital Divide in Developing Nations 59
Unit 5 UNESCO Literacy Campaign 61
Unit 6 Maternal Deaths Study 62
Unit 7 Worker Safety 63
Unit 8 New TB Vaccine to be Tested 65
Unit 9 Campaign Against Tetanus 66
Unit 10 Bushmeat Hunting in Ghana 67
Unit 11 World Bank to open Artisan Market'in Washington 69
Unit 12 Aid Plan for Africa Called Progress,If Only Limited 70
Unit 13 Iron Sprinkles Seen as a Way to Aid Children's Health In Developing Countries 72
Chapter 4 Economic Report 74
Unit 1 The Dow Jones Industrial Average 74
Unit 2 World Trade Organization,Part 1 75
Unit 3 The World Trade Organization,Part 2 77
Unit 4 Steel Tariffs Dispute 78
Unit 5 Holiday Shopping 80
Unit 6 Nobel in Economics 81
Unit 7 Mutual Funds 83
Unit 8 Securities and Exchange Commission 84
Unit 9 Fiscal year 85
Unit 10 China's money 87
Unit 11 New York Stock Exchange 88
Unit 12 Carbon Trading 90
Unit 13 Business organizations 91
Unit 14 Social Security 92
Chapter 5 Health Report 94
Unit 1 Tuberculosis 94
Unit 2 Fast Food 95
Unit 3 Lightning Safety 97
Unit 4 Parkinson's Disease 98
Unit 5 SARS in Animals 100
Unit 6 Walking to Better Health 101
Unit 7 Shingles 103
Unit 8 Lance Armstrong/Fighting Cancer with Exercise 104
Unit 9 Vitamin D 105
Unit 10 Cancer and Children 107
Unit 11 Drugs for High Blood Pressure 108
Unit 12 New Warnings About Tobacco Smoke and Children 109
Unit 13 Lead and Violence 111
Chapter 6 Science in the News 113
Unit 1 First Aid 113
Unit 2 Developments in 2002 116
Unit 3 SARS 119
Unit 4 Skin Disorders 123
Unit 5 Vitamins 126
Unit 6 Depression 129
Unit 7 AIDS Update 133
Unit 8 Babies and Intelligence 136
Unit 9 Diseases Spread by Mosquitos 139
Unit 10 High Hopes Travel with Newest Flight to Explore Mars 142
Unit 11 Autoimmune Diseases:When the Body Starts to Attack Its Own Cells 144
Chapter 7 Exploration 148
Unit 1 Fuel Cell Cars 148
Unit 2 Literacy 151
Unit 3 Population and the Environment 155
Unit 4 Project Apollo 158
Unit 5 Software Theft 161
Unit 6 2002 Space Digest 165
Unit 7 2005 Space Digest 168
Unit 8 The National Museum of Natural History 171
Unit 9 Albert Einstein 174
Chapter 8 People in America 178
Unit 1 Rachel Carson 178
Unit 2 Walt Disney 181
Unit 3 Heroes of September 11 184
Unit 4 Martin Luther Kiog Jr 188
Unit 5 Douglas Mac Arthur 191
Unit 6 Walt Whitman 194
Unit 7 Ernest Hemingway 198
Unit 8 Stephen Foster 201
Unit 9 Marilyn Monroe 204
Unit 10 Janis Joplin:One of the Most Famous Voices in American Rock Music 207
Unit 11 Life Story of Jackie Robinson，the First Black Player in Major League Bashball 209
Unit 12 Langston Hughes:Considered the Poet Voice of African Americans 212
附录 Key to Exercises 216