unit 01 What is the smallest bird in the world?
unit 02 Nelson Mandela became 93 years old
unit 03 Brazil elected first woman president
unit 04 Who has the longest tongue in the world?
unit 05 Go outside to be healthy!
unit 06 The youngest Everest climber
unit 07 The smallest monkey in the world
unit 08 Play safely in the playground!
unit 09 Remembering Kim Dae-joong
unit 10 I have the longest mustache in America
unit 11 The most popular soccer player in the world
unit 12 How do I look in the portrait?
unit 13 Do zebras lie down when they sleep?
unit 14 Walking safety
unit 15 Take care of your ears!