黄壤的农化性状有（）
A.黏
B.板
C.瘦
D.缺P
E.酸
参考答案：A, B, C, D, E
A．保持S闭合，将A板适当上移
B．保持S闭合，将B板适当上移
C．先断开S，再将B板适当上移
D．先断开S，再将A板适当上移
Don't _____ time arguing with a determined person. He will do what he wants anyway.[ ]
A. waste
B. spend
C. lose
D. miss
