本书紧扣教材内容，以学案提供的问题为线索，理解、掌握和巩固教材中的基础知识，并在自我测评和拓展提高的实战演练中发展综合运用能力。练习针对性强，题型多样化，突出体现了实用性的编写原则。教学以抓“双基”为主，完成知识的原始积累，把模块中的知识和考点进行比较、重组、总结，努力帮助学生梳理知识结构，建立知识网络，掌握基本语法规则，打好扎实的语言基础。

[课堂学习讲义]
UNIT 1 SCIENCE AND SCIENTISTS
Section I Reading and Thinking--Comprehending
Section II Reading and Thinking--Language Points
Section III Learning About Language ＆ Discovering Useful Structures
Section IV Using Language
Section V Writing
读后续写微讲座一
单元要点盘查
UNIT 2 BRIDGING CULTURES
Section I Reading and Thinking--Comprehending
Section II Reading and Thinking--Language Points
Section III Learning About Language ＆ Discovering Useful Structures
Section IV Using Language
Section V Writing
读后续写微讲座二
单元要点盘查
UNIT 3 FOOD AND CULTURE
Section I Reading and Thinking--Comprehending
Section II Reading and Thinking--Language Points
Section III Learning About Language ＆ Discovering Useful Structures
Section IV Using Language
Section V Writing
读后续写微讲座三
单元要点盘查
UNIT 4 JOURNEY ACROSS A VAST LAND
Section I Reading and Thinking--Comprehending
Section II Reading and Thinking--Language Points
Section III Learning About Language ＆ Discovering Useful Structures
Section IV Using Language
Section V Writing
读后续写微讲座四
单元要点盘查
UNIT 5 FIRST AID
Section I Reading and Thinking--Comprehending
Section II Reading and Thinking--Language Points
Section III Learning About Language ＆ Discovering Useful Structures
Section IV Using Language
Section V Writing
读后续写微讲座五
单元要点盘查
[课后达标检测]
UNIT 1 SCIENCE AND SCIENTISTS
课时作业1 Reacding and Thinking—Comprehending
课时作业2 Reading and Thinking—Language Points
层级一 小题夯基练
层级二 语篇提能练
课时作业3 Learning About Language＆Discovering Useful Structures
层级一 小题夯基练
层级二 语篇提能练
课时作业4 Using Language
层级一 小题夯基练
层级二 语篇提能练
写作规范练（一）
UNIT 2 BRIDGING CULTURES
课时作业5 Reacding and Thinking—Comprehending
课时作业6 Reading and Thinking—Language Points
层级一 小题夯基练
层级二 语篇提能练
课时作业7 Learning About Language＆Discovering Useful Structures
层级一 小题夯基练
层级二 语篇提能练
课时作业8 Using Language
层级一 小题夯基练
层级二 语篇提能练
写作规范练（二）
UNIT 3 FOOD AND CULTURE
课时作业9 Reacding and Thinking—Comprehending
课时作业10 Reading and Thinking—Language Points
层级一 小题夯基练
层级二 语篇提能练
课时作业11 Learning About Language＆Discovering Useful Structures
层级一 小题夯基练
层级二 语篇提能练
课时作业12 Using Language
层级一 小题夯基练
层级二 语篇提能练
写作规范练（三）
UNIT 4 JOURNEY ACROSS A VAST LAND
课时作业13 Reacding and Thinking—Comprehending
课时作业14 Reading and Thinking—Language Points
层级一 小题夯基练
层级二 语篇提能练
课时作业15 Learning About Language＆Discovering Useful Structures
层级一 小题夯基练
层级二 语篇提能练
课时作业16 Using Language
层级一 小题夯基练
层级二 语篇提能练
写作规范练（四）
UNIT 5 FIRST AID
课时作业17 Reacding and Thinking—Comprehending
课时作业18 Reading and Thinking—Language Points
层级一 小题夯基练
层级二 语篇提能练
课时作业19 Learning About Language＆Discovering Useful Structures
层级一 小题夯基练
层级二 语篇提能练
课时作业20 Using Language
层级一 小题夯基练
层级二 语篇提能练
写作规范练（五）
写作新题型
[单元过关检测]
[参考答案与解析]