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问题 单项选择题

关于水泥混凝土路面实验检测的说法错误的是（）。

A.混凝土配合比的表示方法有"单位用量表示方法"

B.混凝土配合比的表示方法有"相对用量表示法"

C.混凝土抗压强度采用非标准试件应进行换算

D.凝土抗压强度以边长150mm正立方体的标准试件标养护14d测得

答案

参考答案：D

单项选择题

中年女性，突发上腹疼痛，伴恶心、呕吐，超声显示胆囊多发结石，胰腺肿大，轮廓不清，回声减低，周围见少量液性暗区，最可能的诊断是（）

A.急性胰腺炎

B.慢性胰腺炎

C.急性胃炎

D.急性胆囊炎

E.急性胆管炎
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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.

7（）

A.accumulation

B.earn

C.spending

D.disposal
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