职称英语在线答题

每日一练：职称英语卫生类每日一练(2015-3-12)
【单选题】

The Central Problem of Economics

The central problem of economics is to satisfythe people's and nation's wants.

The problem we are faced with is that ourresources, here identified as money, are __1__. The only way we can resolve ourproblem is to make choices. After looking at our resources, we must examine ourlist of __2__ and identify the things we need immediately, those we canpostpone, and __3__ we cannot afford. As individuals, we face the centralproblem involved in economics-deciding just how to allocate our limited ourlimited resources to provide __4__ with the greatest satisfaction of our wants.

Nations face the same problem. As a country'spopulation ___5__, the need for more goods and services grows correspondingly.Resources necessary to production may increase, but there __6__ are enoughresources to satisfy the total desires of a nation. Whether the budget meetingis taking place in the family living room, in the conference room of thecorporation __7__ of directors, or in the chamber of the House ofRepresentatives in Washington, the basic problem still exists. We need to find__8__ of allocating limited resources in order to satisfy unlimited wants.

A short time ago economists divided goods intotwo categories, free and economic. The former, like air and water, were in __9__abundance that economists had no concern for them. After all, economics is the__10__ of scarcity and what to do about it. Today many of these "freegoods" are __11__ very expensive to use. Pollution has made clean air andwater expensive for producers' extra costs, and __12__ taxpayers who pay forthe government's involvement in cleaning the environment.

In the 1990s, almost all goods are __13__. Onlyby effort and money __14__ obtained in the form people wish.

Meeting needs of people and the demands fromresource available __15__ the basic activity of production. In trying to meetunlimited wants from limited economic goods, production leads to new problemsin economics.

EXERCISE:

1. A) limited B) unlimited C) scarcity D)abundant

2. A) want B) problem C) wants D) resources

3. A) those B) some C) others D) many

4. A) them B) themselves C) ourselves D) ours

5. A) expand B) extends C) grows D) increase

6. A) always B) sometimes C) often D) never

7. A) management B) function C) board D) group

8. A) people B) economists C ) way D) methods

9. A) so B) great C) such D) such an

10. A) form B) study C) means D) source

11. A) practically B) in practice C)in realityD) practicably

12. A) the B) / C) for D) with

13. A) plentiful B) scarce C) abundant D) infull supply

14. A) they can be B) can they be C) they mustbe D) must they be

15. A) are led to B) leads C) lead to D) leadsto