Unit One Intenational Visits
Lesson 1 Travelling by Air
Lesson 2 Receiving a Visitor
Progress Check 1
Unit Two Post and Communications
Lesson 1 At the Post Office
Lesson 2 News form a School Broadcasting Station
Lesson 3 Bell and His Telephone
Progress Check 2
Unit Three Science and Technology
Lesson 1 Water
Lesson 2 A Geography Lesson
Lesson 3 Owning a Car
Progress Check 3
Unit Four Student Life
Lesson 1 School Uniforms
Lesson 2 Spending Habits
Appendix Ⅰ:Irregular Verbs
Appendix Ⅱ:Kinds of Verbs
Appendix Ⅲ:The Gerund
Appendix Ⅳ:The Tenses
Appendix Ⅴ:The Passive voice
Appendix Ⅵ:Vocabulary
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