问题 选择题

下列几项调查中,适合作普查的是(  )

A.重庆市初中生每人每周的生活费的调查

B.调查你所在班级全体学生的体重

C.环保部门对嘉陵江水域的水污染情况的调查

D.日光灯管厂要检测一批灯管的使用寿命

答案

A、普查的意义不大,应采用抽样调查的方式,错误;

B、调查的范围较小,适合采用普查的方式,正确;

C、普查的难度较大,应采用抽样调查的方式,错误;

D、调查过程带有破坏性,只能采取抽样调查的方式,错误.

故选B.

单项选择题 A2型题
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.

14()

A.number

B.quantity

C.quality

D.figure