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问题 多项选择题

10kV及以下电力接户线的安装应符合的规定是（）。

A.档距内不应超过一个接头

B.两端应设绝缘子固定，绝缘子安装应防止瓷裙积水

C.采用绝缘线时，外露部位应进行绝缘处理

D.两端遇有铜铝连接时，应设有过渡措施

E.进户端支持物应牢固

F.在最大摆动时，不应有接触树木和其他建筑物现象

G.lkV及以下的接户线不应从高压引线间穿过，不跨越铁路

答案

参考答案：B, C, D, E, F, G

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．However

B．Otherwise

C．Nevertheless

D．Furthermore
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单项选择题

《煤矿安全规程》规定：爆破地点（）M范围内风流中瓦斯浓度达到1%以上时，严禁爆破。

A、10

B、15

C、20

D、30
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