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四级冲刺练习阅读174

发布时间：2016-03-01 编辑：查字典英语网小编

　　That is essentially what the economy is all about 14 choices on how to use limited resources of money, manpower, machinery and materials, whether it involves a shopper deciding what to buy in the supermarket or a manufacturer deciding what line of goods to produce.

　　Choices made in the economy involve a continuous tug of war between consumers and producers over price.

　　If many businesses are offering a product and there is plenty of it to satisfy the 15 of all consumers, a producer will be forced to sell at a price not far above costs in order to keep from being stuck with a lot of 16 supplies. This is why, for example, the prices of fresh fruits and vegetables 17 drop during the summer months when such produce is in 18

　　However, a low priceespecially if it falls below what it costs a seller to make the goodswill discourage production, perhaps 19 the high-cost producers out of business or force them to make something else.

　　Again using an example from agriculture, farmers periodically plant less wheat or raise fewer cattle if the prices for those goods give too 20 return for the costs involved.

　　A. strive B. little C. abundance D. necessities

　　E. wealth F. afford G. needs H. normally

　　I. unmarketable J. making K. unreasonable L. seemingly

　　M. drive N. selected O. frankly

　　II. D 12. F 13. L 14. J 15. G 16. I 17. H 18. C 19. M 20. B

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