认识作者 9
CHAPTE ONE 温暖而惬意的南方生活 15
UNDERSTANDING THE TEXT 19
CHAPTER TWO 被贩卖到冰天雪地 23
UNDERSTANDING THE TEXT 29
CHAPTER THREE 在困境中委曲求全 32
UNDERSTANDING THE TEXT 38
克朗岱克淘金热 41
CHAPTER FOUR 饿狗群抢夺粮食 45
UNDERSTANDING THE TEXT 51
CHAPTER FIVE 首领争霸战 56
UNDERSTANDING THE TEXT 64
CHAPTER SIX 遇上冷酷无情的主人 70
UNDERSTANDING THE TEXT 76
CHAPTER SEVEN 义犬报恩 78
UNDERSTANDING THE TEXT 86
濒临绝种的狼群 90
CHAPTER EIGHT 得胜者 94
UNDERSTANDING THE TEXT 101
CHAPTER NINE 返回大自然生活 104
UNDERSTANDING THE TEXT 110
APPENDICES 升级测试 113
练习答案和测试答案 119
PROJECT WORK USING THE WEB 44