Unit One How Do You Go There? 1
Unit Two Where Is The Science Museum? 10
Unit Three What Are You Going to Do? 20
Recycle 1 30
复习（一） 32
Unit Four I Have a Pen Pal 36
Unit Five What Does She Do? 46
Unit Six The Story of Rain 56
Recycle 2 65
复习（二） 66
部分参考答案 71