题目

    A team of researchers at the University of Illinois at Chicago found that too many kids are eating too much pizza and too many calories are doing harm to children's health.     There are a lot of takeaways from the study. But the biggest thing is that parents are serving their kids too much pizza, said Dr.William Dietz, one of the study's authors and the director of the Sumner M.Redstone Global Center for Prevention and Wellness at the Milken Institute of Public Health at the George Washington University.     The researchers used data from the National Health and Nutrition 把氢氧化钠溶液和硫酸铜溶液加入某病人的尿液中，微热时如果观察到红色沉淀，说明该尿液中含有（    ）A.食醋              B.白酒               C.食盐              D.葡萄糖