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患者，男性，47岁，从事搬运工作，有腰痛病史，表现为慢性隐痛，行走时疼痛加重，疼痛从下腰部臀部再向下肢足背或足外放射，伴有麻木感，L棘突处压痛，直腿抬高试验及加重试验阳性，患侧足趾屈肌力下降，跟腱反射减弱。

提示病变间隙是（）

A.腰2~3间隙

B.腰3～4间隙

C.腰4~5间隙

D.腰5～骶1间隙

E.腰1~2间隙

答案

参考答案：D

填空题

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．automatically

B．timely

C．exceedingly

D．excessively
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选择题

内蒙古自治区草原广阔，有利于发展畜牧业，当地主要少数民族的传统民居是下图中的                     （   ）
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