A:物种多样性趋于增加
B:该地群落发生了初生演替
C:群落对光能的利用能力提高
D:群落垂直结构和水平结构发生了变化
The young manager ____, which earned him a good profit.
—So it is. It's made _______ grapes, and they can be made _______ many other foods.