问题 单项选择题

急进性肾炎与急性肾炎的最主要鉴别点为()。

A.蛋白尿及血尿的严重程度

B.有无高血压及心脏并发症

C.水肿的严重程度

D.肾功能下降的速度及严重程度

E.有无前驱链球菌感染的证据

答案

参考答案:D

解析:急性肾炎与急进性肾炎都是肾小球病,故均有蛋白尿与血尿、高血压及水肿。急性肾炎发生感染病变可不明显,但急性肾炎是自限性疾病多可恢复,而急进性肾炎肾功能则多在短期内急剧恶化,少尿、氮质血症等,故为两者主要鉴别点。

单项选择题
单项选择题

Personality is to a large extent inherent. A-type parents usually (1) A-type offspring. But the environment must also have a profound effect (2) if competition is important to the parents, it is (3) to become a major factor in the lives of their children.

One place where children (4) A characteristics is school, which is, (5) its very nature, a highly competitive institution. Too many schools (6) the "win at all costs" moral standard and measure their success by sporting achievements. The current (7) for making children compete against their classmates or against the (8) produces a two-layer system, in which competitive A types seem in some way better than their B type fellows. Being too (9) to win can have dangerous consequences: remember that Pheidippides, the first marathon runner, (10) dead seconds after saying. "Rejoice, we conquer!"

(11) the worst form of competition in schools is the disproportionate emphasis on examinations. There is, for example, a (12) school that allows pupils to concentrate on those things they do well. The (13) of competition by examination are somewhat questionable, but competition in the certain (14) of failure is positively harmful.

(15) , it is neither practical nor desirable that all A youngsters change into B’s. The world needs types, and schools have an important duty to try to (16) a child’s personality to his possible future employment. It is top management.

If the preoccupation of schools with academic work was (17) , more time might be spent teaching children surer values. Perhaps selection (18) the caring professions, especially medicine, could be made less by good grades in chemistry and more by such (19) as sensitivity and sympathy. It is surely a mistake to choose our doctors exclusively from A type stock. B’s are important and should be (20) .

10()

A.dropped

B.collapsed

C.tripped

D.stumbled