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Unit 1 Nature
　　Getting Started + Reading A
　　Vocabulary Focus + Grammar in Use
　　Listening and Viewing
　　Moving Forward
　　Reading B + Critical Thinking
　　Further Exploration
Unit 2 Animals
　　Getting Started + Reading A
　　Vocabulary Focus + Grammar in Use
　　Listening and Viewing
　　Moving Forward
　　Reading B + Critical Thinking
　　Further Exploration
Unit 3 Food
　　Getting Started + Reading A
　　Vocabulary Focus + Grammar in Use
　　Listening and Viewing
　　Moving Forward
　　Reading B + Critical Thinking
　　Further Exploration
Unit 4 Sports
　　Getting Started + Reading A
　　Vocabulary Focus + Grammar in Use
　　Listening and Viewing
　　Moving Forward
　　Reading B + Critical Thinking
　　Further Exploration