Unit 3 The Earth Period 1 Getting ready and Reading 同步练习

Unit 8 Collecting things Period 1 Getting ready and Reading 同步练习

Unit 6 Travelling around Asia Period 1 Getting ready and Reading 同步练习

Unit 3 The Earth Period 4 More practice, Study skills and Culture corner 同步练习

Unit 1 Making friends Period 3 Speaking and Writing 同步练习

Unit 8 English Week Period 1 Getting ready &Reading同步练习（含解析）

Unit 3 The Earth 习题2