4.The exchange between Bart and Anne most strongly supports the view that they disagree as to

　(A) whether a scientific result that has not been replicated can properly be accepted
　(B) whether the result that a supercomputer derives for a mathematical problem must be replicated on another supercomputer before it can be accepted
　(C) the criterion to be used for accepting a mathematical result derived by a supercomputer
　(D) the level of complexity of the process to which Bart refers in his statements
　(E) the relative complexity of mathematical preblems as compared to scientific problems

　5.It is commonly held among marketing experts that in a nonexpanding market a company's best strategy is to go after a bigger share of the market and that the best way to do this is to run comparative advertisements that emphasize weaknesses in the products of rivals. In the stagnant market for food oil, soybean-oil and palm-oil producers did wage a two-year battle with comparative advertisements about the deleterious effect on health of each other's products. These campaigns, however had little effiect on respective market shares; rather they stopped many people from buying any edible oils at all.

　The statements above most strongly support the conclusion that comparative advertisements

　(A) increase a company's market share in all cases in which that company's products are clearly superior to the products of rivals
　(B) should not be used in a market that is expanding or likely to expand
　(C) should under no circumstances be used as a retaliatory measure
　(D) carry the risk of causing a contraction of the market at which they are aimed
　(E) yield no long-term gains unless consumers can easily verify the claims made
　
　6.Recent unexpectedly heavy rainfalls in the metropolitan area have filled the reservoirs and streams; water rationing, therefore, will not be necessary this summer.
　
　Which one of the following, if true most undermines the author's prediction?

　(A) Water rationing was fmposed in the city in three of the last five years.
　(B) A small part of the city's water supply is obtained from deep underground water systems that are not reached by rainwater
　(C) The water company's capacity to pump water to customers has not kept up with the increased demand created by population growth in the metropolitan area.
　(D) The long-range weather forecast predicts lower-than-average temperatures for this summer.
　(E) In most years the city receives less total precipitation in the summer than if receives in any other season.
　
　7.John: In 80 percent of car accidents the driver at fault was within five miles of home, so people evidently drive less safely near home than they do on long trips.
　
　Judy: But people do 80 percent of their driving within five miles of home.How is Judy's response related to John's argument?

　(A) It shows that the evidence that John presents by itself is not enough to prove his claim.
　(B) It restates the evidence that John presents in different terms.
　(C) It gives additional evidence that is needed by John to support his conclusion.
　(D) It calls into question John's assumption that whenever people drive more than five miles from home they are going on a long trip.
　(E) It suggests that John's conclusion is merely a restatement of his argument's premise.
　
　8.Reasonable people adapt themselves to the world: unreasonable people persist in trying to adapt the world to themselves. Therefore, all progress depends on unreasonable people.

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