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Unit 23 Plastics 1

Text One Plastics 1

Text Two Development of Plastics 5

Text Three The Raw Material for Plastics 9

Text Four Making Things from Plastics 12

Unit 24 Space and Man 15

Text One The launching of a Satellite 15

Text Two Earth's Man-made Moons 18

Text Three The Astronaut in Flight 21

Text Four Journey to the Moon 24

Unit 25 Architecture 29

Text One The Art of Architecture 29

Text Two The Art of the Skyscraper 34

Text Three Gothic Architecture 38

Text Four A Symphony in Concrete 42

Unit 26 Biology 46

Text One Biology in Our Century 46

Text Two The Theory of Evolution 49

Text Three Can a Champanzee Become a Human Being 51

Text Four Genes 54

Unit 27 Film 56

Text One The Cinema 56

Text Two Animated Cartoons 60

Text Three Film Awards and Festivals 64

Text Four Charlie Chaplin,the Tramp the Philosopher 67

Unit 28 Human Body 72

Text One Blood 72

Text Two The Living Skeleton 75

Text Three Body Signals 78

Text Four Taste and Smell 83

Unit 29 Stocks and Bonds 87

Text One Stocks and Bonds 87

Text Two The New York Stock Exchange 90

Text Three How the New York Stocks Exchange Works 93

Text Four Special Terms to Remember 97

Unit 30 Weather 100

Text One Weather 100

Text Two Storms 106

Text Three Observing the Weather 109

Text Four Can People Change the Weather? 113

Unit 31 UFOs 116

Text One UFOs in the Early Times 116

Text Two UFOs in This Century 120

Text Three Checking on the Puzzles 123

Text Four From Other Worlds? 126

Unit 32 Computer 129

Text One Computers and Our Lives 129

Text Two Brain and Computer 133

Text Three The Computer Code 136

Text Four The Computer Store 139

Unit 33 American Literature(1) 143

Text One The Scarlet Letter 143

Text Two Moby Dick 147

Text Three Mark Twain,a Master of Humor 151

Text Four The Adventure of Tom Sawyer 156

Unit 34 American Literature(2) 161

Text One Sister Carie 161

Text Two The Great Gatsby 164

Text Three Ernest Hemingway 168

Text Four A Farewell to Arms 171

Unit 35 Motor Car 174

Text One The Electrical System 174

Text Two The Petrol System 177

Text Three The Cooling and Lubricating System 179

Text Four The Steering System and the Brake 182

Unit 36 The Bermuda Triangle 185

Text One Lost at Sea 185

Text Two Other Mysteries 189

Text Three Geographical Explanations for the Mysteries 192

Text Four Possible Factors from Other Planets 195

Unit 37 Television 198

Text One Principles of the Television Camera 198

Text Two The Work of a Microphone 202

Text Three Television Transmission 205

Text Four The Television Studio 208

Unit 38 The Abominable Snowman 211

Text One Mystery of the Abominable Snowman 211

Text Two Snowman Seen by Mountain Climbers 214

TextThree Expeditions 217

Text Four The Last Members of a Family of Apes 220

Unit 39 Locomotive 223

Text One Diesel Engine 223

Text Two The Mystery of Torque 226

Text Three Fueling and Air Supplying 229

Text Four Controlling the Locomotive 232

Unit 40 Believe or Not 235

Text One Eyeless Sight 235

Text Two Telepathy 238

Text Three Uri Geller's Extraordinary Powers 241

Text Four The Great Escape 244

译文 247

词汇 345