题目

化学与人体健康密切相关。市场上有“高钙牛奶”、“加氟牙膏”、“葡萄糖酸锌”等商品,这里“钙、氟、锌”应理解为( ) A . 原子 B . 元素 C . 分子 D . 单质 答案:B I don’t mind your delaying making the decision ________ it is not too late. [  ] A.as far as B.as well as C.as soon as D.as long as
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