第2题: [简答题]Questions 5--9 Complete the following sentences with NO MORE THAN three words for each blank. The movement fr6m real ecotourism toward ecotourism lite is called ______ of ecotourism. 参考答案:(the) watering down 答案解析:见Paragraph 6: These trends reflect the watering down of the true meaning of ecotourism-a movement fr