只列式，不计算。
每棵苹果树去年收益250元，今年通过科学剪枝，每棵树收益提高了16%，今年每棵树多收益了多少元？
250×16%
English is a language shared by several diverse cultures ,each of____ uses it somewhat differently .
A．which
B．what
C．them
D．those
