Unit One 1
Text A Public Relations 1
Text B The Interview 6
Grammar Revision——动词的时态（1） 11
Achievement Test 12
Translation of the Texts 14
Unit Two 17
Text A What Is Culture? 17
Text B Food and Culture 21
Grammar Revision——动词的时态（2） 25
Achievement Test 26
Translation of the Texts 28
Unit Three 30
Text A A Look at Tomorrow 30
Text B Are Computers Alive? 34
Grammar Revision——动词的时态（3） 38
Achievement Test 39
Translation of the Texts 41
Unit Four 43
Text A The Bermuda Triangle 43
Text B Sounds We Cannot Hear 46
Grammar Revision——动词的时态（4） 50
Achievement Test 51
Translation of the Texts 53
Unit Five 56
Text A Modern Communication:The Laser and Fiber-Optic Revolution 56
Text B Intel Announces US $ 50 Million for China Research Center 60
Grammar Revision——动词的时态（5） 63
Achievement Test 64
Translation of the Texts 66
Unit Six 69
Text A Do Animals Have a Culture? 69
Text B Animal Learning:Pavlov and Beyond 73
Grammar Revision——动词的时态（6） 75
Achievement Test 76
Translation of the Texts 78
Unit Seven 81
Text A A Friend on the Line 81
Text B Sorry Sir,Sorry,Sorry 84
Grammar Revision——动词的时态（7） 88
Achievement Test 88
Translation of the Texts 91
Unit Eight 93
Text A The Crime of the Century 93
Text B The Finger of Suspicion 96
Grammar Revision——被动语态的基本用法 99
Achievement Test 100
Translation of the Texts 102
Unit Nine 105
Text A Energy Crisis 105
Text B Nuclear Power:Advantages That Outweigh the Risks 108
Grammar Revision——独立主格结构 112
Achievement Test 113
Translation of the Texts 115
Unit Ten 118
Text A Back to Nature 118
Text B Huge Cities of the Future 123
Grammar Revision——主谓一致 127
Achievement Test 128
Translation of the Texts 130
Key to Achievement Test 133