风险限额的含义是什么?

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问题:

风险限额的含义是什么?

考点:三个办法一个指引三个办法一个指引题库
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首次将局麻药成功用于眼科手术麻醉是()。

A.1799年

B.1842年

C.1846年

D.1884年

E.1905年

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控制系统按有无反馈分为();闭环控制系统。

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俄国沙皇亚历山大二世在改革之前曾说:“与其等农民自下而上起来解放自己,不如自上而下解放农民”。这句话表明[ ]

A、改革的目的是为了解放农奴

B、面对统治危机,沙皇不得不进行改革

C、沙皇认识到要扫除发展资本主义的障碍

D、亚历山大倾向于在俄国发展资本主义

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Visitors to this country are normally admitted for six months, but foreign students can usually stay for one year. They must (51) an educational institution, and they are required to study for a minimum of fifteen hours a week on a (52) course. Prospective students have to show that they can afford their studies, and that they have sufficient (53) resources to support themselves (54) in this country.

In order to work here the foreigner needs a work permit, (55) must be applied for by his prospective employer. The problem here is that the Department of Employment has the right to grant or (56) these permits, and there is little that can be done (57) it; it would be extremely unwise for a foreign visitor to work (58) a permit, since anyone doing so is liable to immediate deportation (驱逐出境). There are some people from the Common Market countries, who are often given (59) 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 (60) part-time jobs while they are studying here.

51().

A.establish 

B.purchase 

C.prove 

D.attend

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