Sometimes,peoplearenotclearaboutwhatkindoffoodishealthy...
问题详情：Sometimes,peoplearenotclearaboutwhatkindoffoodishealthy,andwhatkindoffoodmaydoharmtoourhealth.TheUSDAhaspreparedafoodguidetohelppeoplelearnaboutwhichkindoffoodisthehealthiesttoeat.Thefoodguide...