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Chapter 1 Key Grammar Related to TOEFL 4

Passage 1The Umbrella 4

Passage 2Dolphins 11

Passage 3The Application of Fire 20

Passage 4The Songs of Birds 28

Passage 5In Japan 35

Passage 6The Origin of Money 41

Passage 7Films 47

Passage 8Pets and RSPCA 51

Chapter 2 Sentence Comprehension and Basic Writing Skills 60

Passage 1Biodiversity 60

Passage 2First Impression 67

Passage 3The Dust Bowl 73

Passage 4Optical Fibers 79

Passage 5Stress 85

Passage 6 The Adventure of a Life-time 91

Passage 7Modern Chemist 97

Passage 8Chagall’s art 102

Chapter 3 Paragraph Comprehension 112

Passage 1 From Eyes on the Street to Safe Cities 112

Passage 2 One Human Brain， or Two？ 119

Passage 3 The Meaning and Power of Smell 125

Passage 4 Rapid Police Response 133

Passage 5 The Story of Silent Spring 139

Passage 6 The Social Conditions that Encourage Innova-tion 145

Passage 7Civilization 152

Passage 8Paleolithic Art 159