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问题 单项选择题

更换绕组的发电机，负荷试验时间机组额定容量小于100KW者不少于（）h，试验负荷不小于机组额定容量的（）%。

A.1；80

B.1；90

C.2；80

D.2；90

答案

参考答案：D

单项选择题 案例分析题

女性，26岁，关节痛反复发作年余，伴血沉增快，间断服用泼尼松后好转，停用泼尼松半年后，出现低热，面部蝶形红斑，下肢水肿就诊。实验室检查：血红蛋白70g／L，尿液检查蛋白（++++），红细胞5～10个／HP，24小时尿蛋白定量3．5g，为非选择性蛋白尿，A／G=35／42g／L，超声提示心包、双胸腔少量积液和少量腹腔积液，心电图有sT段和T波改变（缺血样改变）

本例不可能出现的表现是（）

A.多发性栓塞

B.自体免疫性溶血

C.雷诺现象

D.主动脉瓣关闭不全

E.赘疣性非细菌性心内膜炎
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单项选择题

Deflation is an economic theory relating changes in the price levels to changes in the quantity of money. In its developed (1) , it constitutes an analysis of the (2) underlying inflation and deflation. As (3) by the English philosopher John Locke in the 17th century, the Scottish (4) David Hume in the 18th century, and (5) , it was a weapon (6) the mercantilists, who were thought to equate wealth with money. If the (7) of money by a nation merely raised (8) , argued the quantity theorists, then a "favourable" balance of trade, (9) desired by mercantilists, would increase the supply of money but would not in-crease (10) . In the 19th century the quantity theory (11) to the ascendancy of free trade over protectionism. In the 19th and 20th centuries it played a part in the (12) of business cycles and in the theory of foreign (13) rates.

The (14) theory came under attack during the 1930s, (15) monetary expansion seemed ineffective in combating deflation. Economists argued that the levels of investment and government spending were more important than the money supply in determining economic activity.

The tide of opinion (16) again in the 1960s, when experience (17) post-World WarⅡ inflation and new empirical (18) of money and prices— (19) A Monetary History of the United States (1963) by Milton Friedman and Anna Schwartz—restored much of the quantity theory’ s lost prestige. One implication of this theory is that the size of the stock of money must be considered when shaping governmental policies (20) to control prices and maintain full employment.

2（）

A.causes

B.factors

C.facts

D.parts
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