写读后感的作文人教版英语课文侏罗纪公园Today, we know that the are the bones of dinosaurs. Dinosaurs lived between about 245 and 64 million years ago. The scientists who dig up dinosaursbones and study them are called
2000年全真试题①If a farmer wishes to succeed, he must try to keep a wide gap between his consumption and his production. ②He must store a large quantity of grain 1 consuming all his grain immed
