Table of Contents 1
前言 1
Book One The Marathon(by Paul Simmonds) 1
Introduction 3
Unit 1 A talented footballer 3
Unit 2 Chocolate 9
Unit 3 Across the Atlantic 14
Unit 4 THE MARATHON 19
Unit 5 Intelligence 25
Unit 6 The leaning tower 31
Unit 7 J.K.Rowling and Harry Potter 37
Unit 8 Challenger flight STS-51-L 43
Unit 9 An old disease 49
Unit 10 The Freedom Railway 55
Unit 11 The cheetah 61
Unit 12 Krakatau 67
Self-Assessment Form 73
Book Two Invention and Design(by Paul Simmonds) 75
Unit 1 The clockwork radio 77
Unit 2 Television 82
Unit 3 Gunpowder 87
Unit 4 The Millennium Bridge 93
Unit 5 Wind power 99
Unit 6 Water power 105
Unit 7 The compass 111
Unit 8 A prolific inventor 117
Unit 9 The bicycle 123
Unit 10 Printing 129
Unit 11 The perfection of Braille 135
Unit 12 Silk,and the Silk Road 141
Self-Assessment Form 147
Book Three Comparisons(by Maggie Aldhamland) 149
Unit 1 Different ways of learning 151
Unit 2 City versus country 157
Unit 3 Different perceptions 162
Unit 4 A new life:Part 1 168
Unit 5 All kinds of animals 174
Unit 6 The cat family 180
Unit 7 Caring for animals 186
Unit 8 A new life:Part 2 192
Unit 9 Who speaks English? 198
Unit 10 Planets—big and small,far and near 204
Unit 11 How was the world created? 210
Unit 12 A new life:Part 3 216
Self-Assessment Form 221
Appendix 223