Unit 5 Look it up!(共39张PPT) OXFORD ENGLISH Shanghai Edition 8ALook and rememberAre you readyI saw …dinosaur/ daInEs:/Look and learnexistedlivedmore than sixty million years ago 60,000,000about three million years ago 3,000,000a long time before people existedmillions ofeverywhere/IgzIst/exist existedRead and sayexistedsixty milliona long timemillions ofeverywheredinosaurs_________________ lived on earth more than _________________ years ago This was _________________ befo,大小:14.6 MB