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Active student engagement is key to this classroom-tested combinatorics text, boasting 1200+ carefully designed problems, ten mini-projects, section warm-up problems, and chapter opening problems. The

【經典溝通式教學法主教材】由ELT溝通式教學法大師Jack C. Richards所精心研發編寫，共分為四個級數，各級數亦提供 A/B上下兩冊版本，彈性配合老師授課時數安排。■ Latest Topics加入全新聽力及閱讀篇章，並融入最新時事，提供師生與時俱進的討論話題。■ Updated Images以多元實境照片取代舊版插畫圖片，使課程內容更加生動並貼近生活。■ Online resources線上教師資源豐富完備，可供免費下載，包含: 課程音檔、分級測驗、 單元複習考題、額外學習單、課堂活動設計參考、教學資源規劃表等。★購買提示：學生課本附eBook不含課本解答，如有需要請購買教師手冊 Teacher's EditionInterchange is a four-level, American English course that has been used by over 50 million students worldwide. This Student's Book includes 16 units, eight progress checks, and a Grammar Plus section to ensure that students receive all of the practice they need. Inside each book is a single-use code for online self-study material. This gives access to videos and hundreds of automatically graded exercises, and works on PCs and Macs.

This compact, user-friendly book provides practical tips to help you address the challenges of the teenage classroom. This compact, user-friendly book draws on Herbert Puchta's rich knowledge and experience to help you address the challenges of the teenage classroom. It references recent research and developments in understanding teenagers and offers practical tips for creating positive classroom dynamics and guiding teenagers towards becoming mature and responsible adults.