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问题 单项选择题 A1/A2型题

复杂性尿路感染病原菌谱正确的是（）.

A.75%为大肠埃希菌

B.大肠埃希菌不足50%

C.25%局限于表皮葡萄球菌、肺炎克雷白菌等

D.多为多种细菌混合感染

E.以上均不正确

答案

参考答案：B

解析：复杂性尿路感染的病原菌谱中，大肠埃希菌不足50%，而肺炎克雷白菌、葡萄球菌明显增多。

填空题

During the 1980s, unemployment (失业人数) and underemployment (不充分就业) in some countries was so high as 90 per cent. Some countries did not 【B1】 enough food; basic needs in housing and clothing were not 【B2】 . Many of these countries looked 【B3】 the industrial processes of the developed nations for solution. 【B4】 , problems cannot always be solved by 【B5】 the industrialized nations. Industry in the developed nations is highly automated and very 【B6】 . It provides fewer jobs than labor-intensive industrial 【B7】 , and highly skilled workers are needed to 【B8】 and repair the equipment. These workers must be trained, 【B9】 many nations do not have the necessary training institutions. Thus, the 【B10】 of importing industry becomes higher. Students must be sent abroad to receive vocational and 【B11】 training. 【B12】 , just to begin training, the students must 【B13】 learn English, French, Germans, or Japanese. The students then spend many years abroad, and 【B14】 do not return home. All nations agree that science and technology should be shared. The point is: countries 【B15】 the industrial processes of the developed nations need to look carefully 【B16】 the costs, be cause ninny of these costs are 【B17】 Students from these nations should 【B18】 the problems of the industrialized countries closely. 【B19】 care, they will take home not the problems of science and technology, 【B20】 the benefits.

A．tackle

B．learn

C．study

D．realize
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单项选择题

汽轮机工作转速为3000r/min，危急遮断器超速试验时，动作转速为3210r/min，调整是否恰当:（）。

A.太高；

B.太低；

C.合适；

D.不确定。
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