土壤发育
参考答案：
地壳表面的岩石分化体及再积体接受其所处的环境因素的作用而形成具有一定剖面形态和肥力特征的土壤。
什么是质量流速？
Sally wanted to go to Florida for the holiday, but her husband thought (), saying that they would go to New York to join his parents for Christmas.
A. likewise
B. meanwhile
C. likely
D. otherwise
