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
Index|141
Answers and Translations|147
