目录
Introduction
How to Use This Book
Chapter 1 Social Studies ★ History and Geography ① | 9
Unit 01 The West Region of the United States 美国西部地区 | 10
Unit 02 The Southwest Region of the United States 美国西南部地区 | 14
Unit 03 The Southeast Region of the United States 美国东南部地区 | 18
Unit 04 The Northeast Region of the United States 美国东北部地区 | 22
Unit 05 The Midwest Region of the United States 美国中西部地区 | 26
Review Test 1 | 30
Chapter 2 Social Studies ★ History and Geography ② | 31
Unit 06 The Mountain States of the United States 美国山区诸州 | 32
Unit 07 Mountains, Rivers, and Deserts of the World 世界上的山川、河流和沙漠 | 36
Unit 08 Asian Cultures 亚洲文化 | 40
Unit 09 Europe in the Middle Ages 中世纪的欧洲 | 44
Unit 10 The Civil War 美国南北战争 | 48
Review Test 2 | 52
Chapter 3 Science ① | 53
Unit 11 Inquiry Skills and Science Tools 探索技术与科学工具 | 54
Unit 12 Classifying Living Things 生物的分类 | 58
Unit 13 Heredity 遗传 | 62
Unit 14 The History of the Earth 地球的历史 | 66
Unit 15 The Weather and Water Cycle 天气与水循环 | 70
Review Test 3 | 74
Chapter 4 Science ② | 75
Unit 16 Changes in Matter 物质的变化 | 76
Unit 17 Light and Heat 光和热 | 80
Unit 18 Circulation and Respiration 循环与呼吸 | 84
Unit 19 Electricity 电 | 88
Unit 20 Motion and Forces 运动和力 | 92
Review Test 4 | 96
Chapter 5 Mathematics | 97
Unit 21 Fractions and Decimals 分数和小数 | 98
Unit 22 Lines, Rays, Angles, and Figures 线、射线、角度和图形 | 102
Unit 23 Kinds of Polygons, Circles, and Triangles 多边形、圆形和三角形的种类 | 106
Unit 24 Data and Graphs 数据和图表 | 110
Review Test 5 | 114
Chapter 6 Language ★ Visual Arts ★ Music | 115
Unit 25 Norse Mythology 北欧神话 | 116
Unit 26 Learning About Sentences 句子的学习 | 120
Unit 27 The Art of the Middle Ages 中世纪艺术 | 124
Unit 28 The Art of Islam, Africa, and China 伊斯兰、非洲和中国的艺术 | 128
Unit 29 The Elements of Music 音乐的元素 | 132
Unit 30 Understanding Music 了解音乐 | 136
Review Test 6 | 140
Index | 141
Answers and Translations | 147