- Unit 1 The Changing World.
- Review of Unit 1
- Unit 2 Saving the Earth.
- Review of Units 1-2
- Unit 3 English Around the Word
- Review of Unit 3
- Unit 4 Amazing Science
- Review of Units 3-4
- 期中复习
- 期末复习
- Topic 1 English is widely spoken throughout the world.
- Topic 2 Some things usually have different meanings in different cultures.
- Topic 3 Could you give us some advice on how to leran English well?
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