Unit 1 Science and Scientists
学习区
Period 1 Reading and Thinking
Period 2 Learning About Language
Period 3 Using Language
拓展区
写作拓展训练
单元培优专练
反馈区
单元综合测试
Unit 2 Bridging Cultures
学习区
Period 1 Reading and Thinking
Period 2 Learning About Language
Period 3 Using Language
拓展区
写作拓展训练
单元培优专练
反馈区
单元综合测试
Unit 3 Food and Culture
……