锌、碘是人体必须的微量元素,在国际上锌被誉为“生命之花”、碘被誉为“智力元素”.某品牌食盐使用说明的部分内容如下图所示.请回答下列问题: (1)人体缺锌会导致_______________________. (2)葡萄糖酸锌的化学式为C 12 H 22 O 14 Zn(相对分子质量为455).计算其中锌的质量分数为____________. (3)1kg该品牌食盐中葡萄糖酸锌的含量为_____________g.
【判断题】If goods are shipped FOB shipping point, the seller does not record revenue from the sale until the goods arrive at their destination because the transaction is not complete until that point.
【判断题】If goods are shipped FOB shipping point, the seller does not record revenue from the sale until the goods arrive at their destination because the transaction is not complete until that point.