What happened to the dinosaurs? For millions of years these fantastic creatures roamed our planet. Then, suddenly, they all disappeared. Scientists wonder why. What could have caused this huge extinction 65 million years ago? In this enlarged edition, distinguished writer Franklyn M. Branley and award-winning artist Marc Simont provide the perfect introduction to an always fascinating subject - the disappearance of the dinosaurs. Outstanding Science Trade Books for Children 1989 (NSTA/CBC)What happened to the dinosaurs? For millions of years these fantastic creatures roamed our planet. Then, suddenly, they all disappeared. Scientists wonder why. What could have caused this huge extinction 65 million years ago? In this enlarged edition, distinguished writer Franklyn M. Branley and award-winning artist Marc Simont provide the perfect introduction to an always fascinating subject - the disappearance of the dinosaurs. Outstanding Science Trade Books for Children 1989 (NSTA/CBC)
今天讀到“Asteroids are planetlike masses in orbit between Mars and Jupiter ”正想怎么給他解釋這個“Asteroids ”,????自己脫口而出“小行星帶”真的驚到我了。因?yàn)橹皫催^很多遍《那些重要的事》里有這個。今天讀到“Asteroids are planetlike masses in orbit between Mars and Jupiter ”正想怎么給他解釋這個“Asteroids ”,????自己脫口而出“小行星帶”真的驚到我了。因?yàn)橹皫催^很多遍《那些重要的事》里有這個。