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华丰公司预测的2007年度赊销收入为5000万元,信用条件为(n/30),变动成本率为60%,资金成本率为8%,该公司为扩大销售,现有两个方案供选择。 A方案:信用条件为(n/60),预计坏账损失率为5%,收账费用为60万元。该方案使销售收入增长20%。 B方案:信用条件为(2/10,1/20,n/60),估计有50%的客户(按赊销额计算)会利用2%的现金折扣,20%的客户会利用1%的现金折扣,坏账损失率为3%,收账费用为50万元。该方案使销售收入增长25%。 要求:对A、B两方案进行决策。

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相关系数为-0.6的两种资产组成的投资组合比相关系数为-0.3的两种资产组成的投资组合分散投资风险的效果更大。 ( )

A. 对
B. 错

Question 8 to 10 are based on the following news item. At the end of the, news item, you will be given 10 seconds to answer each question. Now listen to the news There are more than an estimated_____million top-level domain names, nearly all of them ending in .com or .net.

A. 20
B. 25
C. 30
D. 35

Passage 50 Young men often give flowers to young women when they are in love. This tradition may have come from Turkey. In the 1700s in Turkey, it was quite popular for people in love to send each other baskets full of strange things. The baskets were delivered secretly to the person who was receiving it. Usually, an old woman who sold flowers or fruit on the street left the basket beside the person’s door. These baskets included a variety of "gifts": flowers, stones, feathers, wax, and even charcoal. Each thing in the basket had a special meaning. By figuring out the secret message contained in each item, the person who received the basket began to understand little by little the true feelings of the person who sent it. (50) This idea of sending gifts of love with secret meanings quickly spread to Germany, France and England. However, as time passed, only sending flowers remained popular. An innocent bunch of flowers told young ladies about the feelings in the hearts of young men. Each different flower held a different meaning. For example, the flowers from an orange tree meant, "You are beautiful and pure." Pink carnations meant, "My love for you is strong and great." Yellow roses, on the other hand, meant, "I saw you with someone else. " Many flower dictionaries were made to help young people in love understand the meaning of the flowers they received. Not all of the dictionaries agreed, however, on the meaning of each flower, so a person had to be careful about the flowers they chose to send. By the 1880s, using flowers to send messages had fallen out of fashion, and the more direct way of sending love letters began. Today, flowers are still considered a lovely gift, but the meaning for each kind of flower has been lost. When did the tradition of sending love messages through flowers slow down

A. In the 1700s.
B. In the 1800s.
C. In the 1880s.
D. Never.

Passage 42 Some countries have large numbers of earthquakes. Japan is one of them. Others do not have many; for example, there are few earthquakes in Britain. There is often a great noise during an earthquake. The earth shakes. Houses fall down. Railway lines are broken. Sometimes many people are killed in an earthquake. Earthquakes often happen near volcanoes, but this is not always true. The centers of some are under the sea. The bottom of the sea suddenly moves. The powerful forces inside the earth break the rocks. The coast is shaken and great waves appear. These waves travel long distances and rush over the land when they reach it. (42) They are strong enough to break down houses and other buildings; sometimes they break more buildings than the earthquake itself. What kind of buildings stands up best in an earthquake A building with concrete walls is perhaps the best. A steel frame will make it even stronger. The frame holds the different parts together, and the walls do not easily fall. There is less chance of fire because concrete and steel do not burn. This kind of building is the safest. The safest building for us to live in against earthquakes is______.

A. a building with a steel frame and concrete walls
B. a very tall one
C. a house made of good bricks
D. a house without a roof

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