2022年职称英语考试综合类完型填空练习第三篇Nations face the same problem. As a country”s population _5_, the need for more goods and services grows correspondingly. Resources necessary to production may increase, but there _6_ are enough resources to satisfy the total desires of a nation. Whether the budget meeting is taking place in the family living room, in the conference room of the corporation _7_ of directors, or in the chamber of the House of Representatives 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 into two 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 “free goods“ are _11_ very expensive to use. Pollution has made clean air and water expensive for producers” extra costs, and _12_ taxpayers who pay for the government”s involvement in cleaning the environment. In the 1990s, almost all goods are _13_. Only by effort and money _14_ obtained in the form people wish. Meeting needs of people and the demands from resource available _15_ the basic activity of production. In trying to meet unlimited wants from limited economic goods, production leads to new problems in economics. EXERCISE: 1. A) limited B) unlimited C) scarcity D) abundant 2. A) want B) problem C) wants D) resources3. A) those B) some C) others D) many4. A) them B) themselves C) ourselves D) ours5. A) expand B) extends C) grows D) increase6. A) always B) sometimes C) often D) never7. A) management B) function C) board D) group8. A) people B) economists C ) way D) methods9. A) so B) great C) such D) such an10. A) form B) study C) means D) source11. A) practically B) in practice C)in reality D) practicably12. A) the B) / C) for D) with13. A) plentiful B) scarce C) abundant D) in full supply14. A) they can be B) can they be C) they must be D) must they be15. A) are led to B) leads C) lead to D) leads to KEY:A C A C C D C D C B C C B B D