问题 单项选择题

某学龄儿童采用0.05%NAF漱口水预防龋齿,其使用方法应为( )

A.每月含漱一次,每次10ml,含漱1分钟
B.每周含漱一次,每次10ml,含漱1分钟
C.每天含漱一次,每次10ml,含漱1分钟
D.隔周含漱一次,每次10ml,含漱1分钟
E.隔天含漱一次,每次10ml,含漱1分钟

答案

参考答案:C

解析: 氟化钠漱口水常用浓度为0.05%和0.2%,浓度越高应用间隔时间越长。0.05%氟化钠漱口水用于每天含漱一次,0.2%氟化钠漱口水用于每周含漱一次。

单项选择题
填空题

In America there are no nobles or men of letters, and the common folk mistrust the wealthy. Consequently, (1) form the highest political class, and the most cultivated circle of society. They have therefore (2) by innovation, which adds a conservative interest to their natural taste for (3) . If I were asked where I place the American aristocracy, I should reply (4) that it is not composed of the rich, who are united together by (5) , but that it occupies the judicial bench and the bar.
When I started researching this topic, I found an interesting (6) Legal Reform Now. As the name suggests, this web site is devoted to (7) , and it is definitely concerned about the dominance of lawyers in (8) . There I read an article by a (9) from the University of Wisconsin. One observation the UW article (10) is that the legal profession is the dominant profession of the people (11) to public office. For example, about half our representatives and (12) of our senators are lawyers. No other profession (13) having the same number of people in political office.
Effectively, lawyers form our nation’s (14) organized political constituency in America. Lawyers (15) and lawyers interpret our laws. When judges are appointed, the American Bar Association is the only (16) that is consulted to rate the fitness of potential judicial appointees.
Our nation has been in existence for (17) and lawyers have been this nation’s aristocracy since its (18) . Our system works, but do we really want to have a single profession (19) our nation. Specifically, do we want to have the legal profession in charge (20) , that is something to think about.

In America there are no nobles or men of letters, and the common folk mistrust the wealthy. Consequently, (1) form the highest political class, and the most cultivated circle of society. They have therefore (2) by innovation, which adds a conservative interest to their natural taste for (3) . If I were asked where I place the American aristocracy, I should reply (4) that it is not composed of the rich, who are united together by (5) , but that it occupies the judicial bench and the bar.
When I started researching this topic, I found an interesting (6) Legal Reform Now. As the name suggests, this web site is devoted to (7) , and it is definitely concerned about the dominance of lawyers in (8) . There I read an article by a (9) from the University of Wisconsin. One observation the UW article (10) is that the legal profession is the dominant profession of the people (11) to public office. For example, about half our representatives and (12) of our senators are lawyers. No other profession (13) having the same number of people in political office.
Effectively, lawyers form our nation’s (14) organized political constituency in America. Lawyers (15) and lawyers interpret our laws. When judges are appointed, the American Bar Association is the only (16) that is consulted to rate the fitness of potential judicial appointees.
Our nation has been in existence for (17) and lawyers have been this nation’s aristocracy since its (18) . Our system works, but do we really want to have a single profession (19) our nation. Specifically, do we want to have the legal profession in charge (20) , that is something to think about.