摘要:葡萄中有含量丰富的白藜芦醇(化学式为C14H12O3).它具有抗癌性.能抑制癌细胞的增生.下列有关白藜芦醇的说法中正确的是·········································································································· ( ) A.它是由C,H,O元素组成的 B.它是由碳.氢.氧原子构成的混合物 C.它属于氧化物 D.白藜芦醇中.碳.氢.氧三种元素的质量比为14∶12∶3

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