Unit 1 Doctor who doesn't forget 知恩图报的医生
Unit 2 Keep on trying for success 坚持就会成功
Unit 3 Clever way to find the truth 探寻真相的巧妙方法
Unit 4 Birthday traditions around the world 世界各地的生日传统
Unit 5 Grow your own vegetables 种属于自己的蔬菜
Unit 6 Television and children 电视和孩子们
Unit 7 Grandma's rain song 奶奶的雨水歌
Unit 8 How can animals live in a desert 动物如何在沙漠中求生
Unit 9 Two farmers 两个农 夫
Unit 10 E-mailfrom England来自英国的电子邮件
Unit 11 0n the road 在路上
Unit 12 Sport superlatives 运动之最
Unit 13 Sharks (parti) 鲨鱼(1)
Unit 14 Sharks (part2) 鲨鱼(2)
Unit 15 The moving stones 会移动的石头
Unit 16 Animals: ten fantastic facts 十大动物奇闻
Unit 17 Computers at home 家用电脑
Unit 18 The coffee story 咖啡的故事
Unit 19 Ten chairs 十把椅子
Unit 20 Favorite cat and mouse 惹人喜爱的猫咪与老鼠
Unit 21 Fair play 公平竞赛
Unit 22 The man, the boy and the donkey 父子与驴
Unit 23 The girlin the red T-shirt穿红T恤的女孩
Unit 24 Lightning 闪电
Unit 25 Jealous Ken 爱嫉妒的肯
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