问题 单项选择题

某商品流通企业既经营生产资料义经营生活资料,经营的商品主要有汽车、钢材、水泥、轮胎、空调、彩电、电脑、服装、鞋、粮食、食盐、蔬菜、牙膏、冷饮等。该企业经常根据商品的供求形态来选择预测方法,并对企业经营的商品进行预测。

轮胎为汽车的先行商品。若该企业根据汽车的需求量预测轮胎的需求量,则最适宜的预测方法是()。

A.对比类推法

B.定量预测法

C.相关类推法

D.用户调查法

答案

参考答案:C

解析:

相关类推法即利用已知的相关商品的数据和资料,来推断预测商品的未来需求趋势。商品之间的相关关系大体包括:时间上的先行、后行关系;可替代商品的关系;互补性关系。轮胎为汽车的先行商品,两者属于时间上的先行、后行关系,适宜的预测方法是相关类推法。

阅读理解

阅读理解。

     Trees are useful to man in three very important ways. The first important way is that they provide

man with food, wood and other products (产品). Trees provide not only man with food, but also many

animals with food. Without trees many animals can not live on the earth. It's not easy for man to live on

the earth, either.

     The second important way is that trees give us shade. On a hot summer day, people are eager (渴望)

to have a rest under the shade of a tree after they have walked a long way. You can imagine (想象) how

important the shade of a tree is to man and to animals.

     The third important way is that trees help to prevent drought (旱灾) and floods. However, in many

parts of the world, man has not realized (意识到) the third important way. He has cut trees down in large

numbers. In the end, he finds that he has lost the best friends he had.

1. Trees are important to man in _____ ways. [ ]

A. two

B. three

C. four

D. five

2. Which sentence is TRUE? [ ]

A. Trees give food to both man and animals.

B. Trees only provide animals with food.

C. Trees give food to neither man nor animals.

D. Trees only provide man with food.

3. On a hot summer day, _____. [ ]

A. only people need the shade of trees

B. only animals need the shade of trees

C. animals don't need any shade

D. both people and animals need the shade of trees

4. In many parts of the world, man has not realized that trees help to _____. [ ]

A. give us food

B. give us shade

C. prevent drought and floods

D. give us wood

5. In this story, the underlined word "He"means _____. [ ]

A. teacher

B. man

C. worker

D. boy

单项选择题