与细菌核蛋白体的50S亚基结合,抑制细菌蛋白质的合成,首选于军团菌病的是
A. 罗红霉素
B. 万古霉素
C. 克林霉素
D. 红霉素
E. 多粘菌素
查看答案
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 (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. 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) .
A. selection
B. alternative
C. preference
D. substitute
It was not until long afterwards ______ (她怀疑自己是否犯了个错误).
晕动症宜选
A. 毛果芸香碱
B. 东莨菪碱
C. 毒扁豆碱
D. 哌仑西平
E. 后马托品
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 (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. 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) .
A. grew
B. remained
C. decreased
D. risen