如图为某地质考察队的科研人员在A、B、C三个不同的地层内挖掘出许多化石．在A层中有恐龙蛋、始祖鸟、龟等化石；在B层中发现了始祖鸟、马、剑齿虎、犀牛（这四种均属于哺乳动物）等化石；在C层发掘出了三叶虫、乌贼、珊瑚等化石．据此回答：

根据短文判断下列句子是否正确,正确的写 “正确”,错误的写 “错误”

    Hello, my name is Li Ming. I am a boy. I am eleven years old. Now let me tell you something about my family. There are four people in my family. They are my father, my mother, my sister, and I. My father likes January and February. I like October. I don't like January and February. It's cold today.

某校为美化校园，计划对面积为1800m²的区域进行绿化，安排甲、乙两个工程队完成．已知甲队每天能完成绿化的面积是乙队每天能完成绿化的面积的2倍，并且在独立完成面积为400m²区域的绿化时，甲队比乙队少用4天．