下列化学用语与含义相符的是(　　)

“各少数民族聚居的地区，应实行民族的区域自治，按照民族聚居的人口多少和区域大小，分别建立各种民族自治机关。凡各民族杂居的地方及民族自治区内，各民族在当地政权机关中均应有相当名额的代表。”下列法律文献中最早作出这一规定的是（    ）

   Here are some facts about homes in the United States and the people who live in them. In the early 1990s, about 50% of the Americans own their homes and the rest rent(租) their homes. The rented homes are usually apartments(公寓).
   74% of the people in the US make their homes in or around cities. 26% live in the country. Dogs live in about 40% of all homes in the US. About half that number have cats.
   Families in the US are becoming smaller. On the average（平均）,2.64 people lived in a home in the early 1990s. In 1960, the average was 3.5.
   Half of the teenagers in the US have their own bedrooms.
   An American moves, on the average，twelve times in his or her life. In Japan, a person moves about five times, and in England a person moves eight times.

德国社会学家韦伯称某制度由于行政官吏的任用采取了客观的标准，因而打破了贵族的垄断和私人的关系，使被统治者在专制国家趋向平等，堪称“消极的民主化”。这一制度应是（   ）

A、

B、
长的是____ ； 短的是____ 。