该地石灰岩中含有珊瑚化石,说明该处岩石形成时该地为____ 环境,它属于____ 类岩石。
Nancy is reading an email from her American friend Jack. She is very happy to get the email. Jack writes about his school and his weekend. Jack's school is not very big, but it's beautiful. There are two buildings, two gardens and a playground.Their classrooms are big and clean. Jack likes his school very much.
Jack doesn't go to school on the weekend. He often gets up at six on Saturdays and Sundays. Heruns in the park for half an hour. Then he eats breakfast. At eight, he beginsto do his homework. He has lunch with his family at home. In the afternoon, hehelps his mother do housework. Sometimes he plays computer games with his classmateson the Internet. In the evening, he listens to music or reads books. He really has a good time on the weekend.
人口的快速增长是破坏或改变野生生物栖息地和过度利用生物资源的最主要原因。
昨天是奶奶的生日,以An interesting birthday party为题…提示词:1. birthday , yesterday , morning2. go, the shop, buy , presents,3. go , see, presents , have a good time .4. go home until , nine o’clock , evening.An interesting birthday party