阅读广角 Level 3B 历史&地理PDF电子书下载

What's Out West? 2

Before You Read 2

Boomtown Life 4

Section 1:The Expanding Nation 6

genre Reading a Memoir The Corps of Discouery 10

Section 2:Traveling West 12

After You Read 18

Glossary 22

Go West! 24

Before You Read 24

Traueling on the Trail 26

Section 1:Moving West 28

Section 2:The Journey 30

genre Reading a Memoir Working on the Railroad 34

Section 3:The Country Changes 37

After You Read 40

Glossary 44

Westward Expansion 46

Before You Read 46

Leauing the Dust 48

Section 1:From Exploration to Settlement 50

Section 2:Traveling West 52

genre Reading a Memoir from Roughing It 54

Section 3:The Dust Bowl 59

After You Read 62

Glossary 66

Regions of the United States 68

Before You Read 68

The Big Moue 70

Section 1:What Makes a Region? 72

Section 2:U.S.Regions 74

genre Reading a Journal Riding Across America 82

After You Read 84

Glossary 88

Land in the United States 90

Before You Read 90

Emily's Trip to Hawaii 92

Section 1:Where We Live 94

genre Reading a Journal Mt.St.Helens Erupts 98

Section 2:Different Environments 100

After You Read 106

Glossary 110

Living in the United States 112

Before You Read 112

Anthony's Trip to San Francisco 114

Section 1:One Big Country 116

Section 2:Climates and Resources 120

genre Reading a Journal Mouing to New York 124

After You Read 128

Glossary 132