罡哥gmat逻辑分类 假设类.pdf

罡哥GMAT 逻辑 假设类感觉 26．In Teruvia, the quantity of rice produced per year is currently just large enough to satisfy domestic demand. Teruvias total rice acreage will not be expanded in the foreseeable future, nor will rice yields per acre increase appreciably. Teruvias population, however, will be increasing significantly for years to come. Clearly, therefore, Teruvia will soon have to begin importing rice. Which of the following is an assumption on which the argument depends? A. No pronounced trend of decreasing per capita demand for rice is imminent in Teruvia. B. Not all of the acreage in Teruvia currently planted with rice is well suited to the cultivation of rice. C. None of the strains of rice grown in Teruvia are exceptionally high-yielding. D. There are no populated regions in Teruvia in which the population will not increase. E. There are no major crops other than rice for which domestic production and domestic demand are currently in balance in Teruvia. 27．In the year following an eight-cent increase in the federal tax on a pack of cigarettes, sales of cigarettes fell ten percent. In contrast, in the year prior to the tax increase, sales had fallen one percent. The volume of cigarette sales is therefore strongly related to the after-tax price of a pack of cigarettes. The argument above requires which of following assumptions? A. During the year following the tax increase, the pretax price of a pack of cigarettes did not increase by as much as it had during the year prior to the tax increase. B. The one percent fall in cigarette sales in the year prior to tax increase was due to a smaller tax increase. C. The pretax price of a pack of cigarettes gradually decreased throughout the year before and the year after the tax increase. D. For the year following the tax increase, the pretax pric