Module 1
Unit 1 It's more than twenty thousand kilometres long
Unit 2 It's in the west
Module1知识清单
Module1学习成果测评
Module 2
Unit 1 There's Chinese dancing
Unit 2 There are lots of beautiful lakes in China
Module2知识清单
Module2学习成果测评
Module 3
Unit 1 Collecting stamps is my hobby
Unit 2 What's your hobby?
Module3知识清单
Module3学习成果测评
……
