带传动机构装配后，要求两带轮的中间平面（）。A、重合 B、平行 C、相交

MouscEvcnL事件可以实现的监听接口是MouseListener和 【12】 。

每年暑假都会有数以万计的大学生开展千村科技扶贫，万户健康普查，法律宣传进万家等活动。这些活动，能够使青年学生

①思想感情得到熏陶，思想觉悟得到启发 ②物质生活得到充实，生活水平得到提高

③道德意识得到增强，道德境界得到升华 ④精神生活得到充实，精神面貌得到改观

A．①②③

B．①②④

C．①③④

D．②③④

能保持氢气化学性质的最小粒子是

A．H

B．H₂

C．H⁺

D．H₂O

热继电器误动应采取的措施有（）。

A、检查负荷电流是否与热元件额定值相匹配；

B、检查启停是否频繁，热继电器与外部触头有无过热现象；

C、检查震动是否过大，连接热继电器的导线截面是否满足载流要求，连接导线有无影响热元件正常工作；

D、检查热继电器环境温度与被保护设备环境温度。热元件工作环境温度在+40~－30℃。

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.