袋鼠 Kangaroos (澳大利亚).docx

Lesson7: 大堡礁 Great Barrier Reef (澳大利亚)
原文:
D: David V:Vicki
D: Vicki, hello! Long time no see. Where have you been?
V: I spent the last six months in Australia. It was so great, I had a wonderful time. The best bit was snorkelling at the Great Barrier Reef. The sea life there is out of this world.
D: The Great Barrier Reef is the only anic collective visible from Earth's orbit. It's one of the wonders of the natural world.
V: And it's the world's largest coral reef ecosystem. There are loads of beautiful islands scattered around and idyllic coral cays.
D: It's pretty big. Isn't it? I think it covers more than 300, 000 square kilometers.
V: Yes, it's huge. There are more than 3, 000 reefs, which vary in size, the smallest is about I hectare. But the biggest is massive, over 10, 000 hectares.
D: Wow! Unfortunately because many tourists go there, it's suffering. You know, because of the pollutants.
V: Unfortunately, that's true. Its protection is the responsibility of the Marine Park Authority, they have developed something called "The Reef Plan". This is bined effort to protect the reef
D: I believe they are doing a good job with that. How about the coral? Is it really as beautiful as they say?
V: Oh my god, yes! Coral consists of individual coral polyps-tiny live creatures which join together to form colonies. Each polyp lives inside a shell of aragonite, a type of c