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Unit 1 The Computer World1

Lesson1

Part Ⅰ People Who Influenced the Computer Industry(Ⅰ)1

Part Ⅱ People Who Influenced the Computer Industry(Ⅱ)5

Lesson2

Part Ⅰ The Y2K Computer Problem(Ⅰ)9

Part Ⅱ The Y2K Computer Problem(Ⅱ)13

Unit 2 Energy and Resources18

Lesson1

Part Ⅰ Recycling of Wastes18

Part Ⅱ Treatment of Unwanted Tires21

Lesson2

Part Ⅰ Soybean Oil23

Part Ⅱ Vegetable Oil26

Lesson3

Part Ⅰ Preservation of Foods29

Part Ⅱ The Largest Laser in the World32

Unit 3 World Affairs Concerning Science36

Lesson1

Part Ⅰ The World Population Conference36

Part Ⅱ 1999 Environmental Film Festival40

Lesson2

Part Ⅰ The Around Alone Race(Ⅰ)42

Part Ⅱ The Around Alone Race(Ⅱ)47

Lesson 3 World News51

Unit 4 New Discoveries in Science56

Lesson1

Part Ⅰ The Oldest Skeleton56

Part Ⅱ Ancestor of the First Humans?59

Lesson2

Part Ⅰ Flower Fossil62

Part Ⅱ Conversion of Cells64

Lesson3

Part Ⅰ New Discovery about World Temperatures67

Part Ⅱ Solar Wind72

Unit 5 Businesses and Management74

Lesson1

Part Ⅰ A Management Expert——W.E.Demming(Ⅰ)74

Part Ⅱ A Management Expert——W.E.Demming(Ⅱ)78

Lesson2

Part Ⅰ Words and Their Stories——Boss,the Brass82

Part Ⅱ Words and Their Stories——On a Short Leash85

Lesson3

Part Ⅰ An Interesting Businessman88

Part Ⅱ News Briefs91

Unit 6 People around the World95

Lesson1

Part Ⅰ Science Nobel Prize Winners of 199895

Part Ⅱ Three Men across the Antarctic98

Lesson2

Part Ⅰ An American Scientist——Carl Sagan(Ⅰ)101

Part Ⅱ An American Scientist——Carl Sagan(Ⅱ)105

Lesson 3 Pulling around the Globe109

Unit 7 The Environment114

Lesson1

Part Ⅰ El Nino114

Part Ⅱ La Nina117

Lesson2

Part Ⅰ Trees Endangered120

Part Ⅱ Penguins Endangered122

Lesson3

Part Ⅰ Environmental News124

Part Ⅱ Weather Forecasts127

Unit 8 Space Research132

Lesson1

Part Ⅰ Top Space Stories of 1998(Ⅱ)132

Part Ⅱ Top Space Stories of 1998(Ⅱ)137

Lesson2

Part Ⅰ Galaxies(Ⅰ)141

Part Ⅱ Galaxies(Ⅱ)145

Lesson 3 Stardust149

Unit 9 The Latest Developments in Science155

Lesson1

Part Ⅰ 1998 Science Stories(Ⅰ)155

Part Ⅱ 1998 Science Stories(Ⅱ)158

Lesson2

Part Ⅰ Reports of AAAS(Ⅰ)162

Part Ⅱ Reports of AAAS(Ⅱ)167

Lesson 3 Polymer Muscle171

Unit 10 Medicine and Health176

Lesson1

Part Ⅰ Tea Drinking and Health176

Part Ⅱ The Interaction of Medicine and Food179

Lesson2

Part Ⅰ The Progress of Transplanting182

Part Ⅱ The Epidemic Show185

Lesson3

Part Ⅰ Smoking and Genes189

Part Ⅱ Advertisements on Children's Health192

Unit 11 The Economic World194

Lesson1

Part Ⅰ Mutual Funds194

Part Ⅱ One Man's Thoughts on Auctions197

Lesson2

Part Ⅰ Financial News in Special English200

Part Ⅱ Financial News in Standard English203

Lesson3

Part Ⅰ 1998 Nobel Prize for Economics207

Part Ⅱ Credit Card Fraud210

Unit 12 Education214

Lesson1

Part Ⅰ The Illiterate in the World214

Part Ⅱ The Foreign Students in America217

Part Ⅲ Homework220

Lesson 2 Discussion on Home Schooling in the United States222

Part Ⅰ Discussion on Home Schooling in the United States(Ⅰ)222

Part Ⅱ Discussion on Home Schooling in the United States(Ⅱ)227

Unit 13 Traffic and Communication234

Lesson 1 Discussion on Traffic in the United States234

Part Ⅰ Discussion on Traffic in the United States(Ⅰ)234

Part Ⅱ Discussion on Traffic in the United States(Ⅱ)240

Part Ⅲ Discussion on Traffic in the United States(Ⅲ)246

Lesson2

Part Ⅰ One Man's Thoughts on Traffic251

Part Ⅱ News254

Unit 14 Bill Gates'Speech at Tsinghua University259

Lesson1

Part Ⅰ Bill Gates'Speech(Ⅰ)259

Part Ⅱ Bill Gates'Speech(Ⅱ)263

Lesson 2 The Question and Answer Section of the Speech266

Appendix Ⅰ The Fifty States of the United States273

Appendix Ⅱ Countries and Their Capitals275