以下关于澳大利亚的说法,正确的是( )
A:老牌的发达国家
B:有高度商品化的农牧业和蓬勃发展的工矿业
C:从我国进口铁矿石
D:服务业发展很慢
I'm Lucy. I have a happy family. There are four people in my family. My birthday is on January 1st. It's New Year's Day, too. My family and I will have a big dinner on that day. I have a little brother. He is four years old. His birthday is in winter. It's very cold but we can make a snowman. My mother's birthday is in March. My father's birthday is in March,too. We can plant trees and fly kites.
下列变化中,吸收的热量用于克服分子间作用力的是( )
下列句子中划线词,古今意义相同的一项是( )