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1/51’’ E Background: a high income tax have a negative influence on technological innovation, the hampered innovation will lead to the decline of a county’s international status. Premise: if a nation wants to maintain its international position, it must control its highest tax bracket no more than 30% of income. Prephrase: high tax will help to increase a nation’s tax revenue, the the nation has more money to fund in technological innovation. A: only when tax rate reach 45% will it hamper the innovation, the politician overestimated the effect of tax, this weaken the argument. B: the answer weakens the foundation the argument, that is although the income of technicians is lessened, their innovation will not be necessarily deterred. C: weaken. D: weaken. E: the answer emphasizes the importance of technological edge, especially weaponry, but it does not refer to the income tax, so the answer is irrelevant to the argument.
2/D
background: because the urban air contains more sulfur dioxide than does rural air, plants in cities grow more slowly than do plants in rural areas. In an experiment to see the difference in growth due to sulfur dioxide, by comparing the plants growing in environment without sulfur dioxide in rural and urban areas respectively, the rural plants still grow faster than those in urban area. Premise: sulfur dioxide does not make significant incentive on plants growth. Prephrase: the condition of the soil should be taken into account.
A: the plants are in greenhouse, which has nothing to do with the condition of air outside. B: the comparison is between the plants in greenhouse. C: the size of class which conducts the experiments does not matter. D: the photosynthesis of plants in urban greenhouse is crippled by the grime on the windows, the plants will grow slower. E: sulfur dioxide has been eliminated before the start of experiments.
3/E Background: generally speaking, the less painted markings the roads have, the safer the roads will be, especially for the small roads. Premise: all Greatwater Country’s narrow, winding roads have edge marking, but this only leads to a slight increase of annual accident on these roads. Prephrase: after the roads were painted, less drivers chose the roads, or the government enlarged the roads, or it built more other roads for drivers.
A: painting the roads dose not change the number of the roads, the answer is irrelevant. B: if it is the bad weather which makes the accidents increase, then whether to paint roads will not make any change. C: irrelevant D: whether the accident is about veering cars or collision, the amount will be changed E: after roads are painted, more drivers drive on the roads, then the accidents increase.
4/E Background: to maintain self-sufficient in both grain and meat is difficult for Gortland. Per capita income and consumption of meat has risen simultaneously, and to produce meat need the grain Premise: with the ongoing rise of income and meat, whereas domestic grain production will not increase, Gortland will soon have to import either grain or meat or both. Prephrase: the consumption of grain will significantly decrease.
A: if the consumption of grain decrease, even the acreage decrease, the requirement might sill be met. B: irrelevant C: irrelevant D: irrelevant E: this answer means that the domestic grain will be insufficient, the import is necessary.
5/C Background: the ancient buildings have been damaged by exhaust from many tour buses. Because of little parking space, most buses have to idle at the stop, which makes as much exhaust as driving. Premise: the city has now built parking that accommodates a third of the tour buses, then the damage to the ancient buildings by the exhaust will diminish significantly. Prephrase: in the parking, the tour buses need not to keep idling.
A: irrelevant to the “few automobiles” B: irrelevant to the argument C: less driving time in the city, the less exhaust will be produced. D: more buses might produce more exhaust, weaken E: weaken |
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