35. What does the writer mainly discuss in paragraph 1?
1. The Great Barrier Reef’s influences on the ecosystem
2. The Great Barrier Reef’s popularity among tourists
3. The Great Barrier Reef as the protector of marine life
4. The Great Barrier Reef’s duty of maintaining the complicated balance of marine lives
5. The Great Barrier Reef as one of the world’s natural wonders and the planet’s most fragile
ecosystems
36. In what way is the Great Barrier Reef important to Australia’s economy?
1. It offers a wide range of unique ecosystems.
2. It offers excellent facilities for water sports to visitors.
3. Its elaborate flora and fauna is a tourist attraction.
4. It is considered a giant ecological and commercial enterprise.
5. It generates revenue for Australia and provides employment to people.
37. When the writer says “That foundation is no longer solid.” he means that ________________.
1. the corals are under threat from natural disasters
2. coral reefs no longer provide shelter and foods for animals
3. tourists are not attracted to the Great Barrier Reef anymore
4. the Queensland floods have severely damaged Australia
5. people cannot rely on corals for their living anymore