Introduction
How to Use This Book
Chapter 1 Social Studies ★ History and Geography ① | 9
Unit 01 Our Community 社会环境 | 10
Unit 02 Home and School Life 家庭与学校生活 | 14
Unit 03 Different Cultures and Holidays 文化与节日差异 | 18
Unit 04 The American Government 美国政府 | 22
Unit 05 World Religions 世界宗教 | 26
Review Test 1 | 30
Chapter 2 Social Studies ★ History and Geography ② | 31
Unit 06 Our Land and Water 土地与水资源 | 32
Unit 07 Oceans and Continents 海洋与大洲 | 36
Unit 08 Maps and Directions 地图与方位 | 40
Unit 09 Our Earth and Its Resources 我们的地球和资源 | 44
Unit 10 Native Americans and Europeans in the New World 新大陆的美洲印第安人和欧洲人 | 48
Review Test 2 | 52
Chapter 3 Science ① | 53
Unit 11 Seasons and Weather 季节与气候 | 54
Unit 12 The Parts of a Plant 植物的组成部分 | 58
Unit 13 Homes for Living Things 生物的栖息地 | 62
Unit 14 Oceans and Undersea Life 海洋和水生生物 | 66
Unit 15 The Human Body 人体 | 70
Review Test 3 | 74
Chapter 4 Science ② | 75
Unit 16 How Can Matter Change? 物质如何变化？ | 76
Unit 17 How Long? How Tall? 多长？多高？ | 80
Unit 18 Electricity 电 | 84
Unit 19 Our Solar System 太阳系 | 88
Unit 20 Inside the Earth 地球的内部 | 92
Review Test 4 | 96
Chapter 5 Mathematics | 97
Unit 21 Shapes 形状 | 98
Unit 22 Numbers and Counting 数字和计数 | 102
Unit 23 Addition and Subtraction 加法和减法 | 106
Unit 24 Counting Money 数钱 | 110
Review Test 5 | 114
Chapter 6 Language ★ Visual Arts ★ Music | 115
Unit 25 Read and Write 阅读和写作 | 116
Unit 26 Types of Writing 写作的类型 | 120
Unit 27 A World of Lines and Colors 线条与色彩的世界 | 124
Unit 28 A World of Paintings 绘画的世界 | 128
Unit 29 Instruments and Their Families 乐器的种类 | 132
Unit 30 A World of Music 音乐的世界 | 136
Review Test 6 | 140
