A-A+
Frank Greer a pediatrician at the University
问题详情
Frank Greer, a pediatrician at the University of Wisconsin in Madison, said the ideal way to achieve the goal of healthy bones is to make sure children exercise and consume up to ______ milligrams a day of calcium.请帮忙给出正确答案和分析,谢谢!
参考答案
正确答案:1300
1,300