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问题 单项选择题

在其他因素不变的条件下，贴现率与年金现值系数的关系是( )。

A．二者变化方向相同

B．二者变化方向相反

C．二者呈正比例变化

D．二者没有关系

答案

参考答案：B

解析： 根据年金现值的计算公式，贴现率与年金现值系数呈反方向变化，即贴现率越高，年金现值系数越小；即贴现率越小，年金现值系数越大。

改错题

改正句中的一处错误.

1.  Apples, bananas and orange are fruits. _____________

2.  Miss Gao haves eggs and milk for breakfast._____________

3.  He likes salad but he doesn't likes carrots._____________

4.  Does he and you eat lots of fruit?_____________

5.  He watches TV at dinner._____________
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填空题

单词拼写。

1. Martin Luther King's speech was so exciting that the audience rose to a_____.

2. Afraid of the nuclear leak, they've spent a large sum of money to fit every room with systems that

    p______ the air and water.

3. Before the invention of aspirin, coffee was once used as a p_____.

4. Biggest doesn't n_____ mean best. Many rich countries are very small, while some big countries are not rich.

5. H_____ medicines have been used in China for thousands of years.

6. Your feet are _____(肿的). You must go to see a doctor.

7. A cough and a fever are usually _____(症状)of a bad cold.

8. How can such a large quantity of knowledge be _____(获得)?

9. He suddenly smiled, _____(露出)a set of amazingly white teeth.

10. The ten most _____(频繁)asked questions are listed below.
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