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问题 选择题

下面的加粗的字意义不同的一组是[ ]

A．涂有饿殍而 不知发春心莫共花争发

B．弃甲曳兵而走斩木为兵

C．或五十步而后止人固有一死，或 轻于鸿毛，或重于泰山

D．是亦走也是使民养生丧死无憾也 

答案

答案：A

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 (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.

54().

A.after 

B.but 

C.while 

D.before
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多项选择题

以下关于使用支气管扩张剂缓解症状和增加运动耐力治疗COPD的描述，哪些是正确的（）

A.吸入治疗为首选

B.应根据药物供应和患者应用后症状改善情况及副作用，选用β2激动剂、抗胆碱药物、茶碱或联合制剂

C.可按需应用支气管扩张剂或规则使用，以预防和减轻症状

D.应用长效吸入支气管扩张剂较为方便

E.与单一支气管扩张剂治疗相比较，支气管扩张剂联合制剂能改善疗效和降低副作用
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