单选题 Questions 4--8 Answer the following questions by using NO MORE THAN three words.

填空题 What is promoted by the present economic systems?

填空题 What concept is green consumerism compared to in the passage?

填空题 What factor must be taken into account the present generations according to the definition of sustainable development?

填空题 What issue does green consumerism try to deal with?

填空题 What are the core issues in sustainable development?