新概念英语 练习册 4 流利英语 workbook 4 Fluency in EnglishPDF电子书下载

Lesson 1 Finding fossil man 2

Lesson 2 Spare that spider 4

Lesson 3 Matterhorn man 6

Lesson 4 Seeing hands 8

Lesson 5 Youth 10

Lesson 6 The sporting spirit 12

Lesson 7 Bats 14

Lesson 8 Trading standards 16

Lesson 9 Royal espionage 18

Lesson 10 Silicon Valley 20

Lesson 11 How to grow old 22

Lesson 12 Banks and their customers 24

Lesson 13 The search for oil 26

Lesson 14 The Butterfly Effect 28

Lesson 15 Secrecy in industry 30

Lesson 16 The modern city 32

Lesson 17 A man-made disease 34

Lesson 18 Porpoises 36

Lesson 19 The stuff of dreams 38

Lesson 20 Snake poison 40

Lesson 21 William S．Hart and the early ‘Western’film 42

Lesson 22 Knowledge and progress 44

Lesson 23 Bird flight 46

Lesson 24 Beauty 48

Lesson 25 Non-auditory effects of noise 50

Lesson 26 The post life of the earth 52

Lesson 27 The‘Vasa’ 54

Lesson 28 Patients and doctors 56

Lesson 29 The hovercraft 58

Lesson 30 Exploring the sea-floor 60

Lesson 31 The sculptor speaks 62

Lesson 32 Galileo reborn 64

Lesson 33 Education 66

Lesson 34 Adolescence 68

Lesson 35 Space odyssey 70

Lesson 36 The cost of government 72

Lesson 37 The process of ageing 74

Lesson 38 Water and the traveller 76

Lesson 39 What every writer wants 78

Lesson 40 Waves 80

Lesson 41 Training elephants 82

Lesson 42 Recording and earthquake 84

Lesson 43 Are there strangers in space? 86

Lesson 44 Patterns of culture 88

Lesson 45 Of men and galaxies 90

Lesson 46 Hobbies 92

Lesson 47 The great escape 94

Lesson 48 Planning a share portfolio 96

Workbook key 99