问答题
Questions 5--9
Complete the following sentences with NO MORE THAN three words for each blank.
Ecotourists used to be more ______.
【参考答案】
intellectually curious/socially responsible/environmentally ......
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单项选择题
According to the author, travel associations ______.
A．are committed to the protection of natural and cultural resources
B．advocate principles favourable to the development of sound ecotourism
C．made drastic changes in order to address environmental concerns
D．made only a few superficial reforms as a response to environmental concerns
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