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- 2011-4-22
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1、Background: the lobsters and other crustaceans which live in water that has been contaminated by sewage are likely to contract gill diseases. Premise: in order to reduce the risk that lobsters catch the diseases, one proposed that millions of gallons of local sewage each day should be rerouted many kilometers offshore. Some others thought the proposal to be useless, for no lobster could live long enough to be harmed by those diseases. Prephrase: the lobsters could be infected by other crustaceans that has contracted diseases. The lobsters’ offspring’s immune system is fragile when faces the diseases. E A: although contaminants in the harbor presents, the answer does not weaken the argument” the proposal is pointless”. B: the argument concerns the lobsters caught in harbors, the longevity of lobsters living in open ocean has no impact on the argument. C: lobsters’ breeding does not touch the argument. D: irrelevant E: if the proposal is pointless, the sewage is still touted in the harbor, then the lobsters are likely to contract gill diseases, and human often become ill as a result of eating lobsters with gill diseases, so the proposal is not pointless, it will reduce the chance that lobsters contract to gill diseases. 2、Background: in the following two years of 1989, the number of east German residents-owned cars and the total mileage covered by the east German cars has increased by 40 percent. Premise: the east German casualties in car accidents has increased by 300 percent. Prephrase: many west German traveled in East Germany, and many bad pile-up happened in East Germany D A: if it is true, the casualties might not increase by 300%, it does not explain the situation B: if many residents moved out of East Germany, it is even harder to explain the reason of the accidents increase C: it does not touch the argument D: if it true, it is reasonable that the traffic accidents increase, which will lead to the rise of casualties. E: this has no impact to the argument. 3、Background: some regulations has been imposed to demand the manufacturer to reduce a large amount of pollutants they discharge into the environment. Premise: the manufacturers have to spend much money on reduction of pollutants and maintenance, which will cause the costs of goods to rise. Then the manufacturers would lose some export markets. Prephrase: while the government imposes the regulations, it will give some reduction of tax to those manufacturers who comply with the regulations well, this will help the manufacturers to maintain the costs of goods, and the opponents in export market also experienced increasing cost, because their government implements the environment-friendly policies as well. A A: if it is true, the export market will not be lost because of the imposition of new regulations B: it supports the argument, not weakens that. C: it does not weaken the argument D: irrelevant E: it has nothing to do with export market. 4、Background: the new process of paint on new airliners cost much more than the old one Premise: it will be a right decision to choose the new process when concerns of the long-term economic interest. Prephrase: the airliners painted with the new process will take service much longer and the maintenance cost will be much lower than the airliners painted with the old process.
B A: conflict with the conditions B: if the loading-capacity is lowered by the old painting process, then in the long term, the profit of the airliners will be less C: irrelevant D: irrelevant E: irrelevant 5、Background: some drugs in countries where they cannot be patented are sold at widely affordable prices, while in countries where they can be patented, they command premium prices. Premise: the access to new drugs can be improved if the drug patent system were abolished. Prephrase: if they is no patent system, no more new life-sustaining drug are to be manufactured. D A: irrelevant B: irrelevant C: irrelevant D: if the patent system were abolished, the profits for manufacturers would steeply decline, the revenue could not afford the development of new drugs. E: this is an assumption that the patent system had been abolished. |
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