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.

1）The goal of WTO is to ______. A: ensure that trade flows as smoothly, predictably and freely as possible. B: weaken the economic power of the developed countries. C: promote economic growth in developed countries. D: ensure world peace.

Countries with the highest inflation rates are likely to have A: the highest rates of money growth B: small budget deficits relative to GDP C: the lowest interest rates D: all of the above

What is the health care system in the United States? A: It is a mixed market. B: Some people receive their health care coverage through the employers or out-of-pocket payment. C: Both government and private sectors involve. D: It does not have legallly guarantee health care for all.

The basic reason for the gap in income levels between countries is _______. A: Different starting points for economic development B: Total population gap C: Gap in economic growth rates D: All of the above are possible