Unit 1 Friends Unit 2 School life Unit 3 A day out Unit 4 Do it yourself Unit 5 Wild animals Unit 6 Birdwatching Unit 7 Seasons Unit 8 Natural disasters 期末复习专题 素养评价卷（活页） Unit 1 Past and present Unit 2 Travelling Unit 3 Online tours Unit 4 A good read Unit 5 Good manners Unit 6 Sunshine for all Unit 7 International charities Unit 8 A green world 期末复习专题（一）词汇 期末复习专题（二）句型 期末复习专题（三）语法 检测卷答案