高中英语人教版14

[06:10.57]but alsoclimb trees.
[06:14.33]They could tell this from the way the bones were joined together.
[06:19.90]Dinosaurs died out quickly about 65 million years ago.
[06:26.06]Some scientists think it was after a large rock hit the earth
[06:32.59]and put too much dust into the air.
[06:37.06]Others think the earth got too hot for the dinosaurs to live on it any more.
[06:43.12]Nobody knows for sure.
[06:46.36]In the same way there are animals that have died out more recently
[06:52.42]and no one knows why.
[06:55.90]Listen to the story about the dodo,an animal that has disappeared from the earth.