与美国小学生一起学英文 有趣的阅读 4PDF电子书下载

前言 3

推荐学习方法 4

每日检查表 8

Science 10

UNIT 01 Lung 10

UNIT 02 Day and Night 13

UNIT 03 Food Chain 16

UNIT 04 Valley 19

UNIT 05 Pearl Oyster 22

UNIT 06 Moon 25

UNIT 07 Volcano 28

UNIT 08 Raccoon 31

UNIT 09 Oxygen 34

UNIT 10 Drought 37

UNIT 11 Rain Forest 40

UNIT 12 Antenna 43

Social Studies 48

UNIT 13 Vote 48

UNIT 14 Culture 51

UNIT 15 Thomas Edison 54

UNIT 16 Festival 57

UNIT 17 Teacher 60

UNIT 18 The Rocky Mountains 63

UNIT 19 San Francisco 66

UNIT 20 Thanksgiving Day 69

UNIT 21 Bank 72

UNIT 22 International Trade 75

UNIT 23 Court 78

UNIT 24 Washington D.C． 81

Math 86

UNIT 25 Gallon 86

UNIT 26 Pentagon 89

UNIT 27 Odd and Even Numbers 92

UNIT 28 Volume 95

Art 100

UNIT 29 Landscape 100

UNIT 30 Portrait 103

Music 108

UNIT 31 Opera 108

UNIT 32 Folk Music 111

Answers 115