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Sugarless yoghurt (酸奶) could help beat bad breath, tooth decay and gum disea
Sugarless yoghurt (酸奶) could help beat bad breath, tooth decay and gum disea
游客
2024-05-09
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Sugarless yoghurt (酸奶) could help beat bad breath, tooth decay and gum disease, say scientists. Japanese researchers found eating the yoghurt【62】levels of hydrogen sulphide (硫化氢) -- a major【63】of bad breath -- in 80% of volunteers. The【64】are active bacteria in yoghurt.
Details were【65】at a meeting of the International Association for Dental Research. A(n)【66】of 24 volunteers who participated in the study were given strict instructions【67】oral health, diet and medicine taking. They spent two weeks【68】yoghurts and similar foods, like cheese. Researchers then【69】bacteria levels and odor-causing compounds,【70】hydrogen-sulphide. The volunteers then ate 90 grams of yoghurt a day for six weeks. At the end of the study, researchers took【71】again. They found hydrogen sulphide levels【72】in 80% of participants.
Dr. Nigel Carter, chief executive of the British Dental Health Foundation, said, "The foundation has long been【73】people’s attention to sugar-free yoghurts as a healthy snack, so it is pleasing to hear that it may have oral health benefits we were previously【74】of."
"Although this research is still in the early stages there is no【75】that sugar-free yoghurts provide a much healthier【76】to sweets and chocolate, and we would encourage snackers to【77】them into their diet."
【78】, Dr. Carter stressed that the best way to beat bad breath was by【79】a good oral health routine. This involves brushing twice-a-day with fluoride (氟化物) toothpaste, cutting【80】on the frequency of sugary snacks and drinks and visiting a dentist【81】. [br]
选项
A、modes
B、examples
C、copies
D、samples
答案
D
解析
语义衔接题。前文讲过第一阶段2星期的实验结束后,研究者测量了被试口腔中的细菌和口臭化合物水平。现在是第二阶段结束后,显然还要采集样品测量一次,选D samples“样品”。
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