2. 职称英语
  3. A. diet B. regularly C. healthy D. commonly E. r

A. diet B. regularly C. healthy D. commonly E. r

游客2023-10-23  60
问题     A. diet        B. regularly        C. healthy        D. commonly        E. reduced
    F. samples     G. contains         H. participated   I. drink           J. measured
    K. avoiding    L. provide          M. menu           N. advantages      O. involves
    Sugarless yoghurt could help beat bad breath, tooth decay and gum disease, say scientists. Japanese researchers found eating the yoghurt【C1】________levels of hydrogen sulphide (硫化物)— a major cause of bad breath—in 80% of volunteers. The keys are active bacteria in yoghurt.
    Details were presented at a meeting of the International Association for Dental Research. A total of 24 volunteers who【C2】________in the study were given strict instructions on oral hygiene, diet and medication intake. They spent two weeks【C3】________ yoghurts and similar foods, like cheese. Researchers then【C4】________bacteria levels and odour-causing compounds, including hydrogen sulphide.
    The volunteers then ate 90 grams of yoghurt a day for six weeks. At the end of the study, researchers took【C5】________ again. They found hydrogen sulphide levels decreased in 80% of participants.
    Dr. Nigel Carter, chief executive of the British Dental Health Foundation, said: "The foundation has long been drawing people’s attention to sugar-free yoghurts as a【C6】________ snack, so it is pleasing to hear that it may have oral health benefits we were previously unaware of.
    "Although this research is still in the early stages there is no doubt that sugar-free yoghurts【C7】________ a much healthier alternative to sweets and chocolate, and we would encourage snackers to incorporate them into their【C8】________."
    However, Dr. Carter stressed that the best way to beat bad breath was by adopting a good oral health routine. This【C9】________ brushing twice-a-day with fluoride (氯化物) toothpaste, cutting down on the frequency of sugary snacks and drinks and visiting a dentist【C10】________. [br] 【C7】
选项
答案 L
解析 此处需要填入动词作从句的谓语，因从句主语yoghurts为复数形式，所以应填动词原形。词库中有provide和drink，但只有provide能和宾语alternative搭配，表示“提供选择”。
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