目录 Unit 1 Animals(动物) Unit 2 Family(家庭) Unit 3 School Life(校园生活) Unit 4 Seasons and Weather(季节和天气) Unit 5 Transportation(交通工具) Unit 6 Food and Drink(饮食) Unit 7 Travel(旅行) Unit 8 Vacations and Festivals(节假日) Unit 9 Jobs(职业) Unit 10 Nature(自然) Unit 11 Activities(活动) Unit 12 Computers and the Internet(电脑与网络) Unit 13 Movies and TV Shows(电影与电视节目) Unit 14 Countries and Cities(国家与城市) 参考译文及答案