- Unit 1 The Changing World
- Unit 2 Saving the Earth
- Unit 3 English Around the World
- 1. English is widely spoken throughout the world.
- 2. Some things usually have different meanings in different cultures.
- 3. Could you give us some advice on how to learn English well?
- Review of Unit 3
- Unit 4 Amazing Science
版本：
很抱歉，暂时没有该知识点下的试题，等待我们的收集吧o(╥﹏╥)o