考察正方体6个面的中心,甲从这6个点中任意选两个点连成直线,乙也从这6个点种任意

题型:选择题

问题:

考察正方体6个面的中心,甲从这6个点中任意选两个点连成直线,乙也从这6个点种任意选两个点连成直线,则所得的两条直线相互平行但不重合的概率等于(  )
A.
1
75
B.
2
75
C.
3
75
D.
4
75
考点:古典概型的定义及计算
题型:选择题

流动性偏好的动机包括()。

A.投资动机

B.交易动机

C.预防动机

D.价值动机

E.投机动机

题型:选择题

在关系数据库中,元组的集合称为关系。通常标识元组的属性或最小属性组称为( )。

A.主键

B.索引

C.标记

D.字段

题型:选择题

下列关于兴奋在突触传递过程的叙述,错误的是

A.一般包括电-化学-电3个环节

B.不需要Ca2+参与

C.突触小泡释放递质

D.突触后膜上存在特异性受体

E.突触后膜可发生去极化或超极化

题型:选择题

下述关于儿童孤独症的典型症状描述正确的有()

A.言语发育障碍

B.人际交往障碍

C.兴趣狭窄

D.行为方式刻板

E.智能障碍

题型:选择题

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.

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