Passage 1 Yellow Fever 1
Passage 2 The Tooth Trade 8
Passage 3 Bilharzia 15
Passage 4 Welcome To Our Bank 21
Passage 5 Electronic Burglar Alarms 28
Passage 6 The Discovery Of A Sunken Ship 36
Passage 7 Man Hunters Of The U.S.A 44
Passage 8 The Land And The People 51
Passage 9 Milk 60
Passage 10 Suppermarkets 67
Passage 11 Wild Animals Face To Face 76
Passage 12 Conversation With A Gorilla 82
Passage 13 Sister Fellowes 89
Passage 14 The Roots Of Man 96
Passage 15 From The Other Side Of TheGeneration Gap 101
Passage 16 Postmen With Feathers 109
Passage 17 Two Major Parties In Britain 116
Passage 18 Reeds，Pens And Beyond 125
Passage 19 Why Tortoise’s Shell Is Not Smooth 131
Passage 20 How Hurricanes Get Their Names 139
Passage 21 Indo-European Languages 147
Passage 22 Death：A Part Of Life 153
Passage 23 Tame Volcanoes 161
Passage 24 Factory Life—A student’s Experience 169
Passage 25 The Birth Of Jesus 177
Passage 26 The Man With The Jade Mask 186
Passage 27 The Piece Of String 195
Passage 28 Robert Baden-Powell， Secret Agent 205
Passage 29 Stuck On Stamps 213
Passage 30 Graveyard Of The Atlantic 221
Notes 228
Key 231