来自冯仪的问题
糖类（碳水化合物）是人类从食物中摄取的主要营养成分之一.下列物质中，不属于糖类的是（）A.油脂B.葡萄糖C.蔗糖D.淀粉
糖类（碳水化合物）是人类从食物中摄取的主要营养成分之一.下列物质中，不属于糖类的是（）
A.油脂
B.葡萄糖
C.蔗糖
D.淀粉
1回答
2020-03-08 22:01
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贺孝梅
A、油脂包括动物脂肪和植物油，不是糖类物质，属于脂类，所以错误．
B、葡萄糖不能水解，属于单糖，所以正确．
C、一个蔗糖可以水解成二个单糖分子，属于二糖，所以正确．
D、一个淀粉分子可以水解成多个单糖分子，属于多糖，所以正确．
故选A．
2020-03-08 22:03:01
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