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利用高低点法预测资金占用量时，高点数据是指资金占用量的最高点及其对应的产销量等，低点数据是指资金占用量的最低点及其对应的产销量等。 ()
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2010年全国用于试验发展的经费约占全国R＆D经费的()。
马克思创立马克思主义哲学时，吸收了被列宁称之为“基本内核”的哲学思想，该思想的创立者是()。
A．abundantB．sufficientC．steadyD．effective
But as with many【70】, there's an unseemly back story: Experts aren't sure that these fiber-boosted foods are【71】trying.
Yes, you should eat lots of fiber. There's no question that a diet【72】in high-fiber foods is a powerful lifesaver-it's known to【73】the risk of heart disease and diabetes, and it helps【74】weight gain. Recent studies show a fiber-rich cuts the risk of breast cancer, too, and the【75】you'll develop cancer of the small intestine. But the new foods might not【76】That's【77】many of them use "isolated" fiber-stuff that's been【78】out of the foods that【79】contained it, says nutrition expert Tara Gidus, RD. Isolated fibers are【80】and don't turn juice and yogurt【81】a delicious, grainy food. The downside: There's【82】evidence that they protect【83】chronic diseases. So go【84】and try a glass of fiber-boosted grape juice, or stir some【85】into your coffee along with your artificial sweetener. Just don't forget to also eat more whole grains, beans, and fruits and vegetable-they're【86】lifesavers.
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