用孕激素治疗闭经患者，停药后出现撤药性 * * 流血，表示（） A.体内缺乏雌激素 B.子

Perhaps, every county suffered from inflation once or more times. Inflation is an economic condition in (B1) prices for consumer goods (B2) , and the (B3) of money or purchasing power decreases. There are three causes of inflation. The first and most important cause may be excessive government spending. For example, in order to (B4) a war or carry (B5) social programs, the government may spend more money than it has received through taxes and other revenues, thus creating a deficit. In order to (B6) this deficit, the Treasury Department can simply (B7) the money supply by issuing more paper money to (B8) the debts of government. This increase in the money supply will cause the value of the dollar to (B9) decrease. The second cause of inflation occurs when the money supply increases faster than the supply of goods. (B10) people have more money, they will run out to buy popular goods (B11) televisions and computers, for example, and a shortage will result. Industry will then produce more, at higher prices, to (B12) demand. (B13) , if people think that the prices of popular goods are going up, they will buy and even borrow money at high (B14) rates to pay for them. Finally, if labor unions demand that workers’ wages (B15) or (B16) the high cost of living, industry will meet this demand and add other costs of production on the (B17) . (B18) summary, all of these causes can (B19) inflationary problems that can affect the welfare of a nation. However, of these three causes, (B20) government spending may be the most important.

A．as

B．of

C．like

D．except

欧洲西部面积约500万平方千米，占欧洲面积的一半左右，居民绝大多数为白种人，人口约5亿，人口密度约每平方千米70人，而世界平均人口密度约每平方千米40人，欧 洲西部有36个国家，大约占世界国家总数的1/5。这说明欧洲西部[ ]

A．国家众多、人口稠密、居民以白种人为主

B．国家最多、人口最多、居民以白种人为主

C．国家不少、人口稀少、居民以黑种人为主

D．国家不多、人口不少、居民以黄种人为主

行为科学管理理论的特点是什么？

狂病火盛伤阴型宜选用（）

A.二阴煎

B.生脉饮

C.大补元煎

D.左归丸

E.滋水清肝饮

制作法兰垫片时，应用直尺在法兰垫片上画出法兰垫内外圆。