04-Rainforest creatures 雨林动物 http://media.cp.com.cn/wp-content/uploads/2016/11/18071704-Rainforest-creatures.mp3
03-All kinds of animals 各类动物 http://media.cp.com.cn/wp-content/uploads/2016/11/18071703-All-kinds-of-animals.mp3
02-Animal behaviour 动物行为 http://media.cp.com.cn/wp-content/uploads/2016/11/18071702-Animal-behaviour.mp3