应用系统的事故危险指数模型,根据系统及其物质、设备(设施)和工艺的基本性质和状态,采

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问题:

应用系统的事故危险指数模型,根据系统及其物质、设备(设施)和工艺的基本性质和状态,采用推算的方法,逐步给出事故的可能损失、引起事故发生或使事故扩大的设备、事故的危险性以及采取安全措施的有效性的安全评价方法是指( )。

A.概率风险评价法

B.伤害范围评价法

C.物质系数评价法

D.危险指数评价法

考点:安全工程师安全生产管理知识安全生产管理知识
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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 (54) an educational institution, and they are required to study for a (55) 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 (56) resources to support themselves (57) in this country.

In order to work here the foreigner needs a work permit, (58) must be applied for by his prospective employer. The problem here is that the Department of Employment has the right to grant or (59) these permits, and there is little that can be done (60) it; it would be extremely unwise for a foreign visitor to work (61) 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 (62) 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 (63) part-time jobs while they are studying here.

63().

A.engage 

B.take 

C.expect 

D.work

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进行眶下孔阻滞麻醉的神经是()

A.眶神经

B.眶上神经

C.眶下神经

D.上牙槽后神经

E.以上都不是

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采煤机截割部传动系统的主要功能是什么?

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原型化方法大致可分为三类,它们是抛弃式、演化式和( )。

A.递增式

B.维护式

C.测试式

D.技术式

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长沙市科学技术进步奖奖金分别为:一等奖8万元,二等奖5万元,三等奖是多少?

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