综合英语基础教程 下PDF电子书下载

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Unit 1 Culture,History and Geography 1

Lesson 1 Homeschooling 1

Lesson 2 Florence Nightingale 10

Lesson 3 The Roof of the World 19

Unit 2 Sports 28

Lesson 4 One World,One Dream 28

Lesson 5 Soccer 39

Lesson 6 Badminton and Three Cups 48

Unit 3 The Internet 57

Lesson 7 The Internet 57

Lesson 8 Telecommuting 67

Lesson 9 Surfing Is Up and Grades Are Down 78

Unit 4 Science 89

Lesson 10 Environmental Protection 89

Lesson 11 Genetically-modified Food 98

Lesson 12 Nanometer 107

Unit 5 Economy 116

Lesson 13 The World Bank 116

Lesson 14 The Most Expensive Coin 126

Unit 6 Medicine and Health 135

Lesson 15 Hold Your Mouth 135

Lesson 16 To Conquer TB—A Long Way to Go 147

Vocabulary 159

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