走向英语世界 初级本 6PDF电子书下载

CONTENTS 1

Chapter 1:THE FOUR SEASONS,Part Ⅰ:SPR ING-TIME 1

Chapter 2:THE FOUR SEASONS,Part Ⅱ:SUMMERDAYS 4

Chapter 3:THE FOUR SEASONS,Part Ⅲ:AU- 7

TUMN 7

Chapter 4:THE FOUR SEASONS,PartⅣ:WINTER 11

Chapter 5:WHALES,Part Ⅰ 14

Chapter 6:WHALES,Part Ⅱ 17

Chapter 7:WHALES,Part Ⅲ 19

Chapter 8:SAILPLANES 21

Chapter 9:CYRUS H.McCORMICK,Part Ⅰ 24

Chapter 10:CYRUS H.McCORMICK,Part Ⅱ 27

Chapter 11:FROZEN FOODS 30

Chapter 12:HUNTING EAGLES,Part Ⅰ 33

Chapter 13:HUNTING EAGLES,Part Ⅱ 36

Chapter 14:WHAT IS A SEQUOIA？ 38

Chapter 15:THE MISSISSIPPI RIVER 41

Chapter 16:TELLING TIME,Part Ⅰ 45

Chapter 17:TELLING TIME,Part Ⅱ 49

Chapter 18:TELLING TIME,Part Ⅲ 52

Chapter 19:SALTY,SOUR OR SWEET？ 56

Chapter 20:THE COVERED WAGON,Part Ⅰ 59

Chapter 21:THE COVERED WAGON,Part Ⅱ 62

Chapter 22:CHEWING GUM 65

Chapter 23:CHARLES A.LINDBERGH,Part Ⅰ 68

Chapter 24:CHARLES A.LINDBERGH,Part Ⅱ 71

Chapter 25:CHARLES A.LINDBERGH,Part Ⅲ 74

Chapter 26:TELEVISION 77

Chapter 27:AIR POLLUTION 80

Chapter 28:WHAT IS QWERTY？ 83

Chapter 29:A STORY OF COURAGE,Part Ⅰ 86

Chapter 30:A STORY OF COURAGE,Part Ⅱ 89

Chapter 31:A STORY OF COURAGE,Part Ⅲ 92

Chapter32:A STORY OF COURAGE,Part Ⅳ 95

Chapter 33:COLORS IN NATURE 98