Technology

• Satellites in Space天上的卫星都在忙些啥？

Environment

• What Will Happen Without the Amazon Rainforest?没有亚马孙雨林世界会怎样？

Lifestyles

• Youths Find a New Hobby—Balcony Gardening年轻人热衷阳台种菜

• Posting “Original Photos”Reveals Privacy?晒“原图”会暴露隐私吗？

Facts

• The Differences of Vision Between Humans and Dogs狗的视觉与人类的视觉有何区别

Learning and Exercises

• Unit 1 Knowing me, knowing you

• Unit 2 Making a difference

• Unit 3 The world of science

• Unit 4 Amazing art

• Unit 5 What an adventure!

• Unit 6 Disaster and hope

• Keys