必修1
Unit 1 Friendship
Unit 2 English around the world
Unit 3 Travel journal
Unit 4 Earthquakes
Unit 5 Nelson Mandela——a modern hero
必修2
Unit 1 Cultural relics
Unit 2 The Olympic Games
Unit 3 Computers
Unit 4 Wildlife protection
Unit 5 Music
必修3
Unit 1 Festivals around the world
Unit 2 Healthy eating
Unit 3 The Million Pound Bank Note
Unit 4 Astronomy：the science of the stars
Unit 5 Canada——\
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