Economist: Tropicorp, which constantly seeks profitable investment opportunities,has been buying and clearing sections of tropical forest for cattle ranching,although pastures newly created there become useless for grazing after just afew years. The company has not gone intorubber tapping, even though greaterprofits can be made from rubber tapping, which leaves the forest intact. Thus, some environmentalists conclude that Tropicorp has not acted wholly out ofeconomic self-interest. However, these environmentalists are probably wrong. The initial investment required for asuccessful rubber-tapping operation is larger than that needed for a cattle ranch. Furthermore, there is a shortage of workersemployable in rubber-tapping operations, and finally,taxes are higher on profits from rubber tapping than on profits from cattleranching.
In the economist’s argument, the two boldfaced portions play which of thefollowing roles? 我选第一个是结论;第二个是支持结论 阅读：
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发表于 2010-1-7 19:48:16
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