高层建筑户内立管应考虑工作环境温度下的（）变化，应考虑变形补偿。A、大小 B、极限

2011年7月，杭州女士吴菊萍因为勇敢地用双手接住了从十楼坠下的女童而被网友誉为“最美妈妈”。并被评为2012年度感动中国十大人物之一——托举生命的最美妈妈。吴菊萍被评为“最美妈妈”的“美”主要在于她（   ）

①践行了勤俭自强的公民基本道德规范

②拥有青春靓丽的美好容颜

③弘扬了奋不顾身、舍生取义的中华传统美德

④十分尊重珍爱他人的生命

A．①②

B．②③

C．①④

D．③④

当归粉末的主要特征是（）

A.石细胞群

B.木栓细胞

C.纤维束

D.韧皮薄壁细胞壁上有斜格状纹理

E.树脂道

下列叙述中，正确的是

A．激光打印机属于击打式打印机

B．CAI属于系统软件

C．就存取速度而言，软盘比硬盘快，硬盘比内存快

D．计算机的运算速度可以用MIPS来表示

个人住房公积金贷款利率于每年( )，按相应档次利率确定下一年度利率水平。

A．1月1日
B．3月31日
C．6月30日
D．12月31日

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