21. It considers rude to ask a Western personal questions such as age, marriage and income.
A B C D
22. The lecturer said that he would attend a conference on how to develop renewable energy technology next
A B C D
day.
23. One of the principle of ecotourism is to preserve cultural integrity because human value cannot be separated
A B C
from natural value.
D
24. If you live with a local family, you would experience local lifestyles and customs first-hand.
A B C D
25. If I have much money, I would set up a travel agent organizing eco tours to ecological interests.
A B C D
