49. How come many people don't do what they believe is good?
A) They can't afford the time.
B) They have no idea how to.
C) They are hypocritical.
D) They lack willpower.
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50. What is proposed as a strategy to change attitude?
A) Changing things that require one's immediate attention.
B) Starting to act in a way that embodies one's aspirations.
C) Adjusting one 's behavior gradually over a period of time.
D) Considering ways of reducing one's psychological burdens.
51. What does Greenpeace's study find about krill fishing?
A) It caused a great many penguins and whales to migrate.
B) It was depriving penguins and whales of their habitats.
C) It was carried out too close to the habitats of penguins and whales.
D) It posed an unprecedented threat to the wildlife around Antarctica.
52. For what purpose has a global campaign been launched?
A) To reduce the impact of climate change on Antarctica.
B) To establish conservation areas in the Antarctic region.
C) To regulate krill fishing operations in the Antarctic seas.
D) To publicise the concern about the impact of krill fishing.
53. What is Greenpeace's recommendation to the krill industry?
A) Opting to operate away from the suggested conservation areas.
B) Volunteering to protect the endangered species in the Antarctic.
C) Refraining from krill fishing throughout the breeding season.
D) Showing its sense of responsibility by leading the global campaign.
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