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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 InternationalAssociation forDental 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 (39) 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. NigelCarter, chief executive of theBritishDental 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) .
A.drawing
B.paying
C.attracting
D.concentrating
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根据网考网移动考试中心的统计,该试题:

70%的考友选择了A选项

14%的考友选择了B选项

10%的考友选择了C选项

6%的考友选择了D选项

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