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短语简介 1

1．Definition of Success 5

2．Fire Extinguishers 8

3．Girls Should Have More Opportunities to Use Computers 12

4．Being on a Team 15

5．"We Preferred Our Way of Living." 19

6．Theory of Natural Selection 23

7．Pressure Groups 27

8．Animals are Our Friends 30

9．Factors of Production 35

10．Price and Supply-the Producer's View 38

11．Inflation and Its Effects 42

12．How a Microwave Oven Works 45

13．Why Do Photographers Need Words? 49

14．How Do People React to a Fire? 53

15．The Nitrogen Cycle 57

16．Advertising 61

17．The Nature of Waves 64

18．Schooling in China 68

19．Changing Jobs 73

20．Leisure Time 77

21．Gravitational Force 81

22．Jane Addams-The American Woman Who Invented Social Work and Social Welfare 85

23．Fireworks 89

24．Junk Food 92

25．Materialisn 96

Answers 100