跟着美国课本学英文阅读 1PDF电子书下载

Chapter 1 Social Studies·History and Geography 7

Unit 01 The U.S.Geography 7

Unit 02 The United States 11

Unit 03 The U.S.Economy 15

Unit 04 People and Culture 19

Unit 05 The European Exploration of Asia and the Americas 23

Unit 06 Europeans in the Americas 27

Unit 07 Colonial America 31

Unit 08 The Declaration of Independence 35

Wrap-Up Test 1 39

Chapter 2 Science 43

Unit 09 How Are Living Things Classified？ 43

Unit 10 Classification 47

Unit 11 How Plants Meet Their Needs 51

Unit 12 How Do Plants Reproduce？ 55

Unit 13 What Are Some Types of Plants？ 59

Unit 14 Plants without Seeds 63

Unit 15 Plant Responses and Adaptations 67

Wrap-Up Test 2 71

Chapter 3 Mathematics·Language·Visual Arts·Music 75

Unit 16 Numbers and Number Sense 75

Unit 17 Geometry 79

Unit 18 Myths and Legends 83

Unit 19 Learning about Language 87

Unit 20 Classical Art 91

Unit 21 Classical Music 95

Wrap-Up Test 3 99

School Textbook 102

Answers and Translations 145

Word List 161