单元（Unit）
标题
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Unit 1
Good friends
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Unit 2
English around the world
Unit 3
Going places
Unit 4
Unforgettable experience
Unit 5
The Silver Screen
Unit 6
Good Manners
Unit 7
Cultural relics
Unit 8
Sports
Unit 9
Technology
Unit 10
The world around us
Unit 11
The sound of the world
Unit 12
Art and literature
Unit 13
Healthy eating
Unit 14
Festivals
Unit 15
The necklace
Unit 16
Science at work
Unit 17
Great women
Unit 18
New Zealand
Unit 19
Modern Agriculture
Unit 20
Humor
Unit 21
Body language
Unit 22
A world of fun