答案：C。据《2005年美国膳食指南》，大多数美国人应保证钠的摄取量在一天2300毫克左右。
Answer: C. According to the 2005 Dietary Guidelines, most Americans should keep sodium intake at 2,300 milligrams per day or less.
答案：C。据《2005年美国膳食指南》，大多数美国人应保证钠的摄取量在一天2300毫克左右。
Answer: C. According to the 2005 Dietary Guidelines, most Americans should keep sodium intake at 2, 300 milligrams per day or less.
吃饭的时候喝上8盎司一杯的牛奶，您就可以获得300毫克左右的钙质。您也可以试试下面这些不太显眼的钙质来源。
Drinking milk with meals gets you about 300 mg of calcium per eight-ounce glass or you can also try the less obvious sources pictured here.
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