期货公司涉及重大诉讼、仲裁，或者股权被冻结或者用于担保，以及发生其他重大事件时，期货

公元前六世纪初，雅典立法者梭伦取消了公民的债务，废止了债务奴隶制，并根据收入将公民分为4个等级，不同的等级决定公民所要承担的政治义务，等级越高，担任的公共职务越高。他还鼓励公民参加公民大会，参与公民事务的最后决策；新设立的民众法庭也对全体公民开放。这些表明当时雅典政治的特点是

A．僭主政治

B．寡头政治

C．民主政治起步

D．民主政治鼎盛

轧制后轧件长度的增加量叫（）。

A、延伸量

B、压缩量

C、延伸率

D、收缩率

Visitors to this country are normally admitted for six months, but foreign students can usually stay for one year. They must (52) an educational institution, and they are required to study for a (53) of fifteen hours a week on a daytime course. Prospective students have to show that they can afford their studies, and that they have sufficient (54) resources to support themselves (55) in this country.

In order to work here the foreigner needs a work permit, (56) must be applied for by his prospective employer. The problem here is that the Department of Employment has the right to grant or (57) these permits, and there is little that can be done (58) it; it would be extremely unwise for a foreign visitor to work (59) a permit, since anyone doing so is liable to immediate deportation (驱逐出境). There are some people from the European countries, who are often given (60) residence permits of up to five years. Some other people, such as doctors, foreign journalists, authors and others can work without permits, and foreign students are normally allowed to (61) part-time jobs while they are studying here.

58().

A.with 

B.before 

C.after 

D.without

计算机的应用从大的方面来分可分为（）两大类。

A.数值处理

B.非数值处理

C.信息处理

以下缩写是指：ODS（）.

A．气相色谱法 

B．高效液相色谱法 

C．十八烷基硅烷键合硅胶 

D．红外分光光度法 

E．差示扫描量热法