问题 单项选择题

假设某企业每年需要某种小五金1000件,每件的订货成本为5元,每件物资的年保管费率为2%,每件产品的单价为50元,订货提前期为10天,该企业的工作日每年为300天。
根据以上材料,回答下列问题:

在经济订货批量模型下,该企业追求的目标是______。

A.订货价格最低

B.订货数量最大

C.总成本最小

D.平均成本最小

答案

参考答案:C

解析: 在经济订货批量模型下,企业追求的目标是通过平衡采购进货成本和库存成本,确定一个最佳的订货数量来实现总库存成本最低。

解答题
单项选择题

Although there are many skillful Braille readers, thousands of other blind people find it difficult to learn that system. They are thereby shut (1) from the world of books and newspapers, having to (2) on friends to read aloud to them.

A young scientist named Raymond Kurzweil has now designed a computer which is a major (3) in providing aid to the (4) .His machine, Cyclops, has a camera that (5) any page, interprets the print into sounds, and then delivers them orally in a robot-like (6) through a speaker. By pressing the appropriate buttons (7) Cyclops’s keyboard, a blind person can "read" any (8) document in the English language.

This remarkable invention represents a tremendous (9) forward in the education of the handicapped. At present, Cyclops costs $ 50,000. (10) , Mr. Kurzweil and his associates are preparing a smaller (11) improved version that will sell (12) less than half that price. Within a few years, Kurzweil (13) the price range will be low enough for every school and library to (14) one. Michael Hingson, Director of the National Federation for the Blind, hopes that (15) will be able to buy home (16) of Cyclops for the price of a good television set.

Mr. Hingson’s organization purchased five machines and is now testing them in Maryland, Colorado, Iowa, California, and New York. Blind people have been (17) in those tests, making lots of (18) suggestions to the engineers who helped to produce Cyclops.

"This is the first time that blind people have ever done individual studies (19) a product was put on the market," Hingson said. "Most manufacturers believed that having the blind help the blind was like telling disabled people to teach other disabled people. In that (20) , the manufacturers have been the blind ones.

6()

A.behavior

B.expression

C.movement

D.voice