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Unit 1 Scientists
　　Getting Started + Reading A
　　Vocabulary Focus + Grammar in Use
　　Listening,Viewing and Speaking
　　Reading B + Critical Thinking
　　Writing
　　Further Exploration
Unit 2 Language and Mind
　　Getting Started + Reading A
　　Vocabulary Focus + Grammar in Use
　　Listening,Viewing and Speaking
　　Reading B + Critical Thinking
　　Writing
　　Further Exploration
Unit 3 Charity
　　Getting Started + Reading A
　　Vocabulary Focus + Grammar in Use
　　Listening,Viewing and Speaking
　　Reading B + Critical Thinking
　　Writing
　　Further Exploration
Unit 4 Disaster Survival
　　Getting Started + Reading A
　　Vocabulary Focus + Grammar in Use
　　Listening,Viewing and Speaking
　　Reading B + Critical Thinking
　　Writing
　　Further Exploration