31. Some tourist areas have suffered from some environmental damage.
A. covered B. finished C. taken D. undergone
32. Ecotourism activities have had some negative impacts on the environment and people in the area.
A. influences B. factors C. criteria D. stimuli
33. The worst impact is the massive loss of land.
A. minimal B. tiny C. heavy D. acceptable
34. Ecotourism needs to recruit better educated people, so it won't provide more jobs for the local people.
A. reduce B. offer C. wipe out D. add
35. If tourists leave litter after the picnic, they may cause pollution.
A. drop B. depart C. escape D. disappear
36. Making a campfire requires cutting down trees for firewood.
A. demands B. fosters C. encourages D. prevents
37. Campfires may cause forest fires if they are unattended.
A. focused B. neglected C. looked after D. watched
38. Hunting animals may lead to their extinction.
A. reduction B. imprisonment C. death D. survival
39. Ecotourism is booming and tour operators say this helps nature.
A. decreasing B. declining C. falling D. flourishing
40. Ecotourism is making animals bolder and become less cautious about other animals.
A. careful B. careless C. reckless D. foolish
41. If animals become less careful about other animals, they are at risk of being attacked by their natural predators.
A. helped B. harmed C. protected D. saved
42. Ecotourism is a unique way for travellers to engage in sustainable tourism while vacationing.
A. disconnect B. promise to marry C. join D. catch