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问题 填空题

电能输送的途径：发电厂→（ ______）→高压线路→降压变压器→用电单位，其中变压器的工作原理是 ______．

答案

远距离输电采用高压输电可以减小电能的损失，所以发电厂出来的电，应先经过升压变压器，再经过高压线路和降压变压器，最后到用户，其中变压器的原理是利用电磁感应现象工作的．

故答案为：升压变压器，电磁感应现象．

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.

16（）

A.reversed

B.occurred

C.emerged

D.finished
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单项选择题

某仓储公司叉车司机甲，在货场驾驶叉车从事搬运作业时违反操作规程，超速驾驶，将在现场从事货物整理作业的同事乙撞倒在地，当场死亡。依据《刑法》有关安全生产犯罪的规定，对甲应按（）处理。

A.重大责任事故罪

B.交通肇事罪

C.玩忽职守罪

D.重大劳动安全事故罪
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