《21世纪实用英语综合教程》（第3版）是“十四五”职业教育国家规划教材，按照党和国家部门关于教材建设的指示精神，根据《高等职业教育专科英语课程标准》及“十四五”时期我国高等职业教育发展新要求编写而成。本套教材紧紧抓住高等职业教育人才的培养特点，充分吸收教学改革的最新成果，将立德树人的指导思想贯穿始终，突出教学内容的实用性和针对性，将语言基础能力和实际涉外交际能力的培养与提高学生整体素养、树立正确的人生观和价值观有机地结合起来，以满足新时代全球化社会经济发展对高职人才的要求。
本系列教材包括《综合教程》《综合练习》《教学参考书》（基础级和1-4册），并配有MP3、微课、助教PPT课件、“i学”App移动平台网络课程、超星“学习通”App示范教学包等。本套教材供高职高专院校普通英语教学使用。
本书为《基础教程教学参考书》，共6个单元，每个单元根据《基础教程》的相关内容配备教法推荐、作者介绍、背景知识、课文详解、练习答案以及《综合练习》中的练习答案和录音原文等。同时，本书在版式设计上有所改革，将学生用书的内容完整地融入教学参考书，课文讲解引入了“左学右教”的方式，以方便教师教学。本书另配有PPT助教课件。

Unit 1 Heroes
Ⅰ.Objectives
Ⅱ.Suggested Teaching Plan
Ⅲ.Class Presentation
Lead-in
Listening & Speaking
Reading & Writing
Starter
Text A: You Can Be a Hero, Too
Text B: My Hero
Text C: The Hero
Writing: Simulated Writing
A Reply to an Email
Unit 2 Water Resources
Ⅰ.Objectives
Ⅱ.Suggested Teaching Plan
Ⅲ.Class Presentation
Lead-in
Listening & Speaking
Reading & Writing
Starter
Text A: A World of Ice and Water
Text B: Changes
Text C: Tidal Waves
Writing: Simulated Writing
Unit 3 Friends
Ⅰ.Objectives
Ⅱ.Suggested Teaching Plan
Ⅲ. Class Presentation
Lead-in
Listening & Speaking
Reading & Writing
Starter
Text A: Hanging Out with Friends
Text B: Making Friends
Text C: Friends Are the Flowers in the Garden of Life
Writing: Simulated Writing
A Reply Letter
Unit 4 Healthy Foods
Ⅰ.Objectives
Ⅱ.Suggested Teaching Plan
Ⅲ. Class Presentation
Lead-in
Listening & Speaking
Reading & Writing
Starter
Text A: The Importance of Healthy Eating Habits
Text B: Tips to Make Your Diet Healthier
Text C: Be Smart. Keep Foods Apart. Don't Cross-Contaminate.
Writing: Simulated Writing
Unit 5 Shopping Days
Ⅰ.Objectives
Ⅱ.Suggested Teaching Plan
Ⅲ.Class Presentation
Lead-in
Listening & Speaking
Reading & Writing
Starter
Text A: Black Friday
Text B: Buy Nothing Day
Text C: Singles'Day
Writing: Simulated Writing
Unit 6 Lives in Nature
Ⅰ.Objectives
Ⅱ.Suggested Teaching Plan
Ⅲ.Class Presentation
Lead-in
Listening & Speaking
Reading & Writing
Starter
Text A: Do Trees Rest Their Heavy Limbs at Night?
Text B: Animal Friendship
Text C: How Do Fish Sleep Without Closing Their Eyes?
Writing: Simulated Writing
Grammar Review
Ⅰ.Nouns
Ⅱ.Articles
Ⅲ.Pronouns
Ⅳ.Numerals
Ⅴ.Prepositions
Ⅵ.Modal Verbs
Ⅶ.Conjunctions
Ⅷ.Adjectives & Adverbs