听下面一段对话,完成第1至3题。 1. When was the Great Barrier Reef Marine Park established? A. In 1975. B. In 1985. C. In 1995. 2. How long does it stretch? A. 1,500 km. B. More than 1,800 km. C. More than 2,300 km. 3. How many species of dolphins and whales are there? A. 17. B. 30. C. 47. |