搜题请搜索小程序“爱下问搜题”
问题 单项选择题 B型题

不宜选择椎管内麻醉，且蛛网膜下腔麻醉绝对禁忌的是（）

A.病人合并有呼吸系统的疾病

B.糖尿病患者

C.严重休克病人

D.病人为小儿

E.病人为老年人

答案

参考答案：C

单项选择题

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.

60().

A.temporary 

B.interior 

C.permanent 

D.short
查看答案
单项选择题

如下哪一个命令可以帮助你知道shell命令的用法（）

A.man

B.pwd

C.help

D.more
查看答案