經典英語教材：溝通式教學法大師Jack C. Richards 精 心編寫，共分四級，各級數亦提供 A/B 分冊與COMBO 版本，彈性配合老師授課時數安排。
Interchange Fourth Edition is an updated version of the world’s most successful English series for adult and young adult learners. Interchange’s well-known communicative and functional methodology has been tried and tested by millions of students around the world. This edition offers updated content in every unit, grammar practice, and opportunities to develop speaking and listening skills. The underlying philosophy of the course remains that language is best learned when it is used for meaningful communication.
•Better integration of course components makes planning and teaching lessons easier than ever before
•The course adapts to any type of class size and to any teaching situation
•A range of digital and web tools present the content in interactive ways, providing new practice opportunities for students, and enabling teachers to assess students comprehension of the course material