目录
Introduction
How to Use This Book
Chapter 1 Social Studies ★ History and Geography ① | 9
Unit 01 Laws and Rules 法律与规范 | 10
Unit 02 Earning, Spending, and Saving 收入、支出与储蓄 | 14
Unit 03 Goods and Resources 商品与资源 | 18
Unit 04 Technology Changes the World 科技改变世界 | 22
Unit 05 Living in Different Climates 生活在不同的气候中 | 26
Review Test 1 | 30
Chapter 2 Social Studies ★ History and Geography ② | 31
Unit 06 Geography Skills 地理技能 | 32
Unit 07 The Government 政府部门 | 36
Unit 08 Ancient Egypt 古埃及 | 40
Unit 09 Ancient Greece 古希腊 | 44
Unit 10 Ancient Rome 古罗马 | 48
Review Test 2 | 52
Chapter 3 Science ① | 53
Unit 11 A World of Plants 植物的世界 | 54
Unit 12 A World of Animals 动物的世界 | 58
Unit 13 Food Chains 食物链 | 62
Unit 14 Ecosystems 生态系统 | 66
Unit 15 Earth’s Rocks and Soil 地球的岩石和土壤 | 70
Review Test 3 | 74
Chapter 4 Science ② | 75
Unit 16 Conserving Our Resources 保护资源 | 76
Unit 17 Earth’s Changing Surface 地表的变化 | 80
Unit 18 Weather and the Water Cycle 天气和水循环 | 84
Unit 19 The Universe 宇宙 | 88
Unit 20 The Senses 各种感官 | 92
Review Test 4 | 96
Chapter 5 Mathematics | 97
Unit 21 Fractions 分数 | 98
Unit 22 Geometry 几何学 | 102
Unit 23 Multiplication and Division 乘法和除法 | 106
Unit 24 Measurement 测量 | 110
Review Test 5 | 114
Chapter 6 Language ★ Visual Arts ★ Music | 115
Unit 25 Myths from Ancient Greece 古希腊神话 | 116
Unit 26 Learning About Language 学习语言 | 120
Unit 27 Appreciating Artwork 艺术鉴赏 | 124
Unit 28 Creating Designs 创造设计 | 128
Unit 29 Elements of Music 音乐的元素 | 132
Unit 30 A World of Music 音乐的世界 | 136
Review Test 6 | 140
Index | 141
Answers and Translations | 147