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问题 单项选择题

下列哪项是早期慢性肾功能不全最主要的治疗目的（）.

A.减少蛋白尿

B.减轻水肿

C.降低血压

D.改善营养状况

E.延缓肾功能减退

答案

参考答案：E

解析：对轻、中度慢性肾衰及时进行治疗，目的是延缓、停止或逆转慢性肾衰的进展，防止尿毒症的发生。

判断题

燃气轮机停机后，如有检修工作需等到机组完全冷却后方可进行，可以采用打开透平间门或打开保温板的方法来加速冷却过程。（）
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问答题

71.Vacations were once the prerogative of the privileged few, even as late as the 19th century. Now they are considered the right of all, except for such unfotrunate masses as, for example, the bulk of puplation in certain countries, for whom life, save for sleep and brief periods of rest, is uniterrupted toil.
Vacations are more necessary now than before because today the average life is less well-rounded and has become increasingly compartmentalized. 72. I suppose the idea of vacations, as we conceive it, must be incomprehensible to primitive peoples. Rest of some kind has of course always been a part of the rhythm of human life, but earlier ages did not find it necessary to organize it in the way that modern man has done. Holidays and feast days were sufficient.
With modern man’s increasing tensions, with the stultifying quality of so much of his work, this break in the year’s routine became steadily more necessary. 73. Vacations became mandatory for the purpose of renewal and repair. And so it came about that in the United States, the most self-indulgent of nations, the most tense and compartmentalized, vacations have come to take a predominant place in domestic conversation.
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