Unit 1 Language
Unit 2 Cultural Varieties
Unit 3 Life and Health ( Ⅰ )
Unit 4 Work and Employment
Unit 5 Science and Technology
Unit 6 Life and Health ( Ⅱ )
Unit 7 Environment and Energy
Unit 8 Culture and Education
Unit 9 Economics and Management ( Ⅰ )
Unit 10 Economics and Management ( Ⅱ )
Unit 11 Environment and Sustainability
Unit 12 Success and Happiness
READING COMPREHENSION TESTS
READING COMPREHENSION TEST I
READING COMPREHENSION TEST II
