A:集成电路用黄金镀膜可防止线路氧化
B:回收时往溶液中加入的金属可以用铜
C:回收时溶解黄金的溶液不会是硫酸
D:回收时金属与溶液发生了化合反应
—So it is. It's made _______ grapes, and they can be made _______ many other foods.