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