A:Bent On:decided o
B:Worried about;turned o
C:Faced with;taken o
D:Devoting to;focused o
There're all kinds of ____ (plant) in the garden.
某矿泉水标签上印有主要成分有:K(1.0~27.0)mg/L;Cl(1.0~24.0)mg/L;Mg(0.1~5.0)mg/L。这里的K、Cl、Mg是指