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问题 单项选择题 A1型题

梗阻性黄疸的病人，血总胆红素342μmol/L（20mg/dl），肝内外胆管扩张。最有价值的检查是（）

A.MRI

B.CT

C.B超

D.ERCP

E.PTC

答案

参考答案：D

解析：ERCP可直接观察十二指肠及 * * 部的情况，对可疑病变可取材做活检；可搜集十二指肠液、胆汁、胰液作检查；通过造影可显示胰胆管系统的解剖和病变，对梗阻性黄疸的诊断和鉴别诊断有重要价值。

单项选择题

如果单相变压器的初级线圈的匝数为N1＝200匝，已知此变压器的变比为n＝0.1，那么，次级线圈的匝数N2为（）匝。

A、20

B、200

C、2000

D、20000
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单项选择题

Culture is activity of thought, and receptiveness to beauty and human feeling. (1) of information have nothing to do with it. A merely well-informed man is the most useless (2) on God’s earth. What we should (3) at producing is men who (4) both culture and expert knowledge in some special direction. Their expert knowledge will give them the ground to start (5) , and their culture will lead them as (6) as philosophy and as high as (7) We have to remember that the valuable (8) development is self-development, and that it (9) takes place between the ages of sixteen and thirty. As to training, the most important part is given by mothers before the age of twelve.

In training a child to activity of thought, above all things we must (10) of what I will call "inert ideas"—— that is to say, ideas that are merely (11) into the mind without being (12) , or tested, or thrown into fresh combinations.

In the history of education, the most (13) phenomenon is that schools of learning, which at one epoch are alive with a craze for genius, in a (14) generation exhibit merely pedantry and routine. The reason is that they are overlade with inert ideas. Except at (15) intervals of intellectual motivation, education in the past has been radically (16) with inert ideas. That is the reason why (17) clever women, who have seen much of the world, are in middle life so much the most cultured part of the community. They have been saved from this horrible (18) of inert ideas. Every intellectual revolution which has ever stirred humanity (19) greatness has been a (20) protest against inert ideas.

1（）

A.Chips

B.Scraps

C.Fractions

D.Plates
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