A:分液时,分液漏斗下层液体从下口放出,上层液体从上口倒出
B:萃取时,用酒精萃取碘水中的碘
C:蒸馏时,冷却水应从冷凝管的下口通入,上口流出。
D:把几滴FeCl3饱和溶液滴入250mL的沸水中加热至液体呈红褐色制取Fe(OH)3胶体。
Not only Jam but also his parents _______ a few interesting places since they came to China.
____