Unit 1A The monarch butterfly(帝王蝶)
Unit 1B Growing up(成长)
Unit 2A A trip to Hawaii(夏威夷之行)
Unit 2B At school camp(学校夏令营)
Unit 3A Making pasta(做意大利面)
Unit 3B Eggs!(蛋!)
Unit 4A My neighbors(我的邻居们)
Unit 4B Nesting boxes(巢箱)
Unit 5A Snow leopards(雪豹)
Unit 5B Greyfriars Bobby(忠犬波比)
Unit 6A An email from Canada(一封来自加拿大的电子邮件)
Unit 6B Soccer or football?(足球还是橄榄球?)
Unit 7A A movie review(一则影评)
Unit 7B The New Regd Movie Theater(新丽格电影院)
Unit 8A The dinosaur museum(恐龙博物馆)
Unit 8B Robots!(机器人!)
Unit 9A Cape Town(开普敦)
Unit 9B Wellington(惠灵顿)
Unit 10A A balloon ride(一次热气球之旅)
Unit 10B Taking a flight(乘飞机)
Unit 11A Planting trees(植树)
Unit 11B The orchard(果园)
Unit 12A The garbage collector(垃圾清运工)
Unit 12B Waste Drop—offDay(废物回收日)
Word list(词汇表)
Tapescripts(录音文字)
Answer key(参考答案)
