2010年全国用于试验发展的经费约占全国R&D经费的()。
A. 85.4%
B. 84.70%
C. 83.50%
D. 82.70%
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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. 康德
B. 费尔巴哈
C. 黑格尔
D. 费希特
A.abundantB.sufficientC.steadyD.effective
A. abundant
B. sufficient
C. steady
D. 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.
(68)
A. that
B. what
C. which
D. how
听力原文:M: You girls really love shopping.! I'm dead tired.
W: Shop till I drop—that's my motto. There are so many items on sale. Why aren't you excited?
Q: What are the two speakers probably doing?
(13)
A. They are discussing about the class.
B. They are talking at home.
C. They are shopping.
D. They are walking in the street.