A: only in industrially developed countries because resources are scarce in these countries.
B: only in underdeveloped countries because there are few productive resources in these countries.
C: only in economic systems that are just beginning to develop because specialized resources are scarce.
D: to all economic systems, regardless of their level of development.
举一反三
- Why did many countries of the South send students to the developed countries A: Because these countries need trained personnel to develop their countries. B: Because the developed countries need more qualified professionals. C: Because these students can stay on in the developed countries after the training. D: Because these countries want to establish friendly relationship with the developed countries.
- Historical evidence indicates that scarcity of natural resources has ( ) A: caused slower world economic growth. B: nearly stopped economic growth in most countries throughout the world. C: not limited economic growth. D: limited economic growth, but only in high-growth countries.
- All the countries in the world are ________ into three types: developed countries, developing countries and underdeveloped countries.
- According to the passage, it has long been believed that ______. A: people in poor countries scarcely know how to enjoy a high standard of living B: the world's resources being limited, the people in underdeveloped countries are bound to live a poor life C: most Americans know that the world's resources of many kinds are becoming scarce D: it is impossible for all the people in the world to improve their living standards
- The agreement the three presidents assigned on Tuesday implies that ______. A: all these three countries enjoy the equal tariff treatment B: developing countries gain great help from those developed ones C: it will bring only positive results for the three countries D: African countries are trying to develop their trade and economy
内容
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The scarcity problem is______ Question. A: due to low price B: it only happens in poor countries C: that can be eliminated through market exchange D: what all countries and individuals will face in the past, present and visible future
- 1
The problem of scarcity is directly relevant A: Only to those periods of history before mass production B: Only to those times when rationing has been enforced C: To all countries and all individuals D: Only to those on low income
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Conditions in the "have-not" countries are ______. A: improving because of the development of economy B: getting worse because of rapidly growing population C: kept well by food from the "have" countries D: better than the "have" countries in other senses
- 3
Industrial system affects only resources and environment system, but not social and economic system
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【单选题】Why do people in different countries like different sports? (6.0分) A. Because different sports originated in different countries. B. Because different countries call on their people to do different sports. C. Because different people enjoy different sports D. Both Aand C