关于发达国家公债政策与货币政策的配合，下面表述正确的有（）。
A.一国公债的适度规模是改过中央银行公开市场业务得以顺利进行的先决条件
B.如果市场货币流通量偏紧，中央银行和商业银行会相应的降低再贴现率和贴现率，达到扩张货币流通量的目的
C.贴现与再贴现的机制说明公债与贴现活动存在密切的联系
D.一国政府的公债规模失控，大量公债靠中央银行承购，就会迫使中央银行增发货币，而货币超量必然会引起通货膨胀，使公债将难以出售，公债将起不到应有的调节作用
参考答案：A, B, C, D
| 完形填空。先通读下面的短文，掌握其大意，然后在每小题所给的A、B、C、D四个选项中，选出可以填入空白处的最佳选项。 | ||||
| Thousands of years ago, people did not know 1 to make a fire. When it was very 2 at night, they could not sleep well. Sometimes lightning hit (打，击) a 3 and started a fire. At first people were both surprised and 4 to see the fire. They were afraid to go up. Later a few 5 men took some of this fire and made a fire near their homes. They used the fire to keep them warm and to cook food. When they had a fire, they did not let it 6 burning. If it stopped, they could not start it again. Maybe they had to 7 for a long time, sometimes for 8 . Later they 9 how to make a fire with pieces of wood. Now we have matches, we can put them in our pockets and make a fire when we want to make it. But we have to be 10 with fire. | ||||
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