Unit One Aquaculture 1
Passage A Aquaculture 1
Passage B Feeds Technology 8
Passage C Fish Cultivation in Natural Lakes 12
Unit Two Forestry 19
Passage A Growing Trees in the Desert，with the Aid of a“Waterbox” 19
Passage B Forest Fire Prevention Efforts Could Lessen Carbon Sequestration，Add to Greenhouse Warming 25
Passage C Children Teach Forest Fire Prevention in Russia 30
Unit Three Horticulture 38
Passage A Experts Stress on Greenhouse Flower Cultivation 38
Passage B Flowering Bonsai 45
Passage C Let's Get Breeding，Baby！ 50
Unit Four Pets 58
Passage A How to Raise Friendly Dogs 58
Passage B Caring for Pets 64
Passage C Coping with Allergies to Pets 70
Unit Five Agricultural Products 76
Passage A Agricultural Exhibitions 76
Passage B International Trade of Agricultural Products 82
Passage C Buckwheat Flour Adds Nutrients and Flavor to Baked Goods 87
Unit Six Farming 94
Passage A Growth of Organic Farming 94
Passage B How to Build an Indoor Hydroponic Greenhouse 101
Passage C How to Grow Green Manure 111
Unit Seven Food 117
Passage A Food Additives 117
Passage B GM Food 124
Passage C Improving Helpful Micro-organisms 129
Unit Eight Ecotourism 134
Passage A Definition of Ecotourism 134
Passage B Benefits of Ecotourism—Win-Win Solution 140
Passage C Ecotourism in a Nutshell 147
Vocabulary 153
参考书目 169