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．finance

B．offer

C．pay

D．fight

阅读材料，回答下列问题。

材料一 图中左图为中国东北部地区气温年较差分布图，右图为高速铁路分布图。

材料二  2012年12月1日哈大高铁正式通车运营，它是中央2003年实施“东北振兴”战略以来投资最大的基础设施工程，它将东北三省主要城市连为一线，以时速300公里计算，从哈尔滨到大连只需3个小时。

材料三 表为东北农区不同区域产值结构的现状及其预测。

（1）A与同纬度地区相比，气温年较差_______（大或小），原因是______________。（2分）

（2）B地的土地利用类型是 ____________。该地开发利用中存在的主要环境问题是什么？分析造成该问题的人为原因。（5分）

（3）修建哈大高铁时面临的主要问题是_________。说明哈大高铁对我国东北地区社会经济发展的促进作用。（4分）

（4）结合材料三分析2004年东北农区农业存在的问题是什么？今后应采取哪些措施促进该区农业可持续发展？（6分）