元素的风化分异
参考答案:
元素从母岩中迁移出有一定的顺序,这种现象称为元素的风化分异。
________ is to do good all one's life and never do anything bad.
A.Whichever is hard
B.No matter what is hard
C.What is hard
D.All what is hard
南昌大学最高决策机构是什么机构?()
A、校务委员会
B、校长
C、政教处
D、教务处