美国之音科技新闻选 英语听力阅读材料PDF电子书下载

Ⅰ MEDICINE 1

1． Hemorrhoids 1

2．Diarrhea 3

3．Different Ideas of a New Research 6

4．Hansen′ s Disease 8

5．Stem Cells 10

6．Leeches 12

7． Cancer 14

8．Prostate Cancer 16

9．Dengue Fever 18

10．Incontinence 20

11．Dry Mouth 22

12．The Epidermis 25

13．Fighting Against AIDS 26

14．Studies of Genetic Diseases 29

15．Duchenne ′ s Muscular Dystrophy 31

16．Marfan′s Syndrome 33

17．Cyclosporin 35

18．Depression 37

19．Malaria 39

20．Non-A,Non-B Hepatitis 41

21．Polio 43

Ⅱ SCIENCE AND TECHNOLOGY 46

1．Acid in Paper 46

2．A Water Project 48

3．The Law of Gravity 50

4．Computer Programs for Population Planning 52

5．Science Writing 54

6．A New Method to Make Bricks 57

7．A Gene Mapping Project 59

8．A New Water Filter 61

9．Baking Bread 63

10．Dendrochronology 64

11．Sawdust 66

12．Animal Transportation 68

13．Shrimp Feed 70

14．The Study of Flowing Sand 72

15．VDT 74

16．Anatomy 76

17．Pottery 78

18．Windmills 81

19．Energy Awareness Month 83

20．The AAAS 85

21．Spending Proposals 87

22．A Saving on Fuel 89

23．Sugarcane Waste 91

24．New Technology and Developing Countries 93

25．The Mystery of Deaths 95

26．Sun-powered Water Pumps 97

Ⅲ ARCHAEOLOGY,ANTHROPOLOGY,ASTRONOMY,OCEANOGRAPHY AND AVIATION 100

1．Dinosaur 100

2．Anthropology 102

3．Studies of the Last Ice Age 104

4．A Mysterious Underwater Light 106

5．Violent ocean Storms 109

6．Mars 111

7．Planets 113

8．The Space Shuttle-Discovery 115

9．The Radio Carbon Dating Tests 117

10．Pluto 119

11．The Discovery of Mummies 121

12．Aquarius 123

Ⅳ HEALTH 126

1．Diseases of Civilization 126

2．Anabolic Steroids and Cortical Steroids 128

3．No-tobacco Day 130

4．Johns Hopkins Hospital 132

5．The Effects of Alcohol on Women 134

6．Exterminate Rats 135

7．The Latest Birth Control Vaccine 138

8．Disabled Children 140

9．Cigarette Smoking 142

10．Fatness 144

11．The Blind 146

12．Who 148

13．The Orbit′s Flying Clinic 150

14．Rabbit Meat 153

Ⅴ ENVIRONMENTAL PROTECTION 156

1．Giant Pandas 156

2．Natural Environment〈一〉 158

3．Tropical Forest Destruction 160

4．A Treaty to Control Nitrogen Oxide Is Being Signed 162

5．Radon Gas 165

6．Natural Environment〈二〉 167

7．The Study of Birds 169

8．Activities in Antarctica 171

9．The World′s Wild Areas 173

10．The Death of Harbor Seals 175

11．Dams 178

12．Rare Animals 180

13．Natural Environment〈三〉 182

14．Ozone 185

15．Water Pollution 187

16．Urban Planning 189

Ⅵ AGRICULTURE 192

1．Sweet Potatoes〈一〉 192

2．Drip Irrigation 194

3．Groundnuts〈-一〉 195

4．Groundnuts〈二〉 198

5．Sweet Potatoes〈二〉 200

6．B,T, 202

7．Amaranth 204

8．The seven Spotted Lady Beetles 206

9．Selenium 208

10．Conservation Farming 210

11．How to Choose the Best Seeds 212

12．The Control of Killer-bees 214

13．How to Sow Seeds in the Field 216

14．African Swine Fever 218

15．Poison Ivy and Poison Oak 220