Unit 1 Friends Unit 2 School life Unit 3 A day out Unit 4 Do it yourself 真题演练一(Unit 1-4) Unit 5 Wild animals Unit 6 Birdwatching Unit 7 Seasons Unit 8 Natural disasters 真题演练二(Unit 1-4) 听力材料 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 Test for Unit 1 Test for Unit 2 Test for Unit 3 Test for Unit 4 Midterm test Test for Unit 5 Test for Unit 6 Test for Unit 7 Test for Unit 8 Final test