Lesson One 1
Text:He Led a Useful Life 1
Grammar:The Subjunctive Mood(Ⅰ) 9
Reading Material:Britain 19
Lesson Two 22
Text:The Fun They Had 22
Grammar:The Participle(Ⅲ) 29
Reading Material:Atoms and You 35
Lesson Three 39
Text:Modern Lighthouses 39
Grammar:The Gerund(Ⅱ) 45
Reading Material:The Loss of‘Titanic' 51
Lesson Four 55
Text:“Where Time Began” 55
Grammar:The Subjunctive Mood(Ⅱ) 61
Reading Material:Our Planet's History 67
Lesson Five 71
Text:The Long Chain of Evolution 71
Grammar:The Preposition and Prepositional Phrases(Ⅱ) 77
Reading Material:The Theory of Evolution 87
Lesson Six 91
Text:The Kraken Arrives 91
Reading Material:Man the Menace 107
Lesson Seven 110
Text:Alfred Nobel—A Man of Contrasts 110
Grammar:Ellipsis 117
Reading Material:Lincoln's Autobiography 125
Lesson Eight 130
Text:A Creature of His Times 130
Grammar:Inversion 137
Reading Material:Setback for Zilchships 147
Lesson Nine 151
Text:Simple Habits,Deep Thoughts 151
Grammar:The Uses of“That” 159
Reading Material:Star Wars—and Einstein 170
Lesson Ten 174
Text:The Wasp and the Spider 174
Grammar:The Uses of“It” 181
Reading Material:They Seem Almost Human 190
Lesson Eleven 194
Text:Are There Strangers in Space? 194
Grammar:The Uses of“As” 201
Reading Material:Other Worlds 212
Lesson Twelve 215
Text:Physics and the Future(Epilogue to Life Science Physics) 215
Reading Material:Preface to Contemporary Physics 229
Supplementary Readings 234
1．Time Zones and the Date Line 234
2．Travelling in the Jungle 235
3．Danger—Keep Off! 238
4．Digging up History 241
5．Introduction 243
6．New Wonder in Camaras 246
7．Michael Faraday 248
8．Atoms 251
9．Discovery by Accident 254
10．How Computers are Changing Our World 258
11．Arriving from Outer Space 262
12．How Scientists Solve Problems 264
Appendix 269
1．Word Formation 269
2．A List of Common English and American English Words 276
3．Vocabulary 280