Part Ⅰ MAN AND NATURE 1
1．The Earth in Space 1
2．Earthquakes 7
3．What Causes the Weather 11
4．What Determines the Climate 16
5．Early Man 21
6．Darwin s Theory of Evolution 27
7．An Important Resource:Soil 33
8．An Important Resource:Water 38
9．Resource Scarcity and Economic Growth 43
10．How Can Mineral Resources Be Conserved 48
11．Fossil Fuels 52
12．Life on Other Planets 57
13．The Importance of the Biological Control of Pests 63
14．Cycles in Nature 68
15．Inheritance 73
16．Man s Futural Problems 78
Part Ⅱ MAN AND SCIENCE 85
1．Metals and Non—Metals 85
2．C.T.，False Teeth Heridity 90
3．Measuring Electricity—Volts 95
4．The Marvelous Model T 99
5．The Lost Half—Century 104
6．Why Are You Laughing 109
7．Magic Under the Microscope 115
8．Twins，Genes，and Environment 121
9．A Scientist Looks at Tomorrow 127
10．Across the Sea of Stars 132
11．Is Mathematics an Art 138
12．A Key to the Universe 144
Part Ⅲ MAN AND SOCIETY 150
1．Magic With Manners 150
2．Six Months In Another World 155
3．Pick a Problem 160
4．Helen Keller:A Lightin the Darkness 165
5．Special Information forHandicapped Students 171
6．What I Believe 178
7．Sorry,Sisters.This Is Not the Revolution 182
8．Secrets of Success 191
9．Thomas Jefferson 200
10．An Animal Survival Lesson for Mankind 206
11．He Brought a Stream Back to Life 213
1．Business 219
Part Ⅳ MAN AND ECONOMY 219
2．Computer in Business 228
3．An Accounting Overview 237
4．Finance and Capital 242
5．Management Functions 247
6．Decision Making 253
7．The Nature of Economic System 258
8．The Basics of Foreign Trade 263
9．What Is Marketing 270
10．Low—cost，Low—price Strategy 277
11．Retail Stores 282
APPENDIXES 289
Ⅰ．Keys to Review Exercises 289
Ⅱ．工商英语（BFT）阅读理解特点和十种解题技巧 299