视神经孔的组成为() A.蝶骨小翼两根 B.蝶骨小翼、上颌骨 C.蝶骨大翼两根 D.

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问题:

视神经孔的组成为()

A.蝶骨小翼两根

B.蝶骨小翼、上颌骨

C.蝶骨大翼两根

D.蝶骨小翼、蝶骨大翼

E.蝶骨小民办筛骨纸板

考点:眼科住院医师眼科(综合练习)眼科(综合练习)题库
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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.

52().

A.daytime 

B.weekend 

C.part-time 

D.evening

题型:单项选择题

如图描述的自然现象中,由于光的折射而发生的现象是(  )

A.

日偏食现象

B.

湖边的夜景

C.

筷子变弯折

D.

汽车观后镜

题型:单项选择题

按照唐律的规定,对于“决不待时”的重犯,不适用秋冬行刑,此重罪不包括( )。

A.谋大逆

B.恶逆

C.谋叛

D.不道

题型:单项选择题

下面不属于计算机病毒特征的是()。

A.寄生性

B.破坏性

C.潜伏性

D.免疫性

题型:单项选择题

炮制含生物碱类药物时,一般不宜加热处理的药物是

A.石榴皮、山豆根

B.龙胆草、马钱子

C.山豆根、黄柏

D.石榴皮、黄连

E.延胡索、龙胆草

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