A.The supply of illegal drugs dropped substantially in 1987.
B.The price paid for most illegal drugs by the average consumer did not drop substantially in 1987.
C.Domestic production of illegal drugs increased at a higher rate than did the entry of such drugs into the country.
D.The wholesale price of a few illegal drugs increased substantially in 1987.
E.A drop in demand for most illegal drugs in 1987 was not the sole cause of the drop in their wholesale price.
第1题
days for a total cost of $ 300. A train will carry the vegetables there in four days for $200. If reducing time in transit is more important to the owner of the vegetables than is reducing the shipping bill, he or she will send the vegetables by truck. Which of the following is an assumption made in the passage above?
A.Vegetables can be sold more profitably when shipped by train than by truck.
B.Other than speed and cost, there are no significant differences between truck and train transportation from the farming region to New Mexico.
C.The time required to ship vegetables by train from the farming region to New Mexico could be reduced to two days if the price for this service were raised.
D.Most owners of vegetables in the region are more concerned with shipping costs than with the time involved in shipping vegetables to market.
E.Transportation of vegetables by truck is worth at least $ 200 per day to owners of the vegetables in the farming region.
第2题
immediate audience by reflecting the concerns and values of that audience. A novel can achieve success over months or even years, but a play must be a hit or perish. Successful drama of the Restoration period, therefore, is a good index to the typical tastes and attitudes of its time. The author of the passage above assumes that
A.plays written for Restoration audiences do not appeal to modern audiences.
B.plays are superior to novels as a form. of narrative art.
C.Restoration audiences were representative of the whole population of their time.
D.playgoers and novel readers are typically distinct and exclusive groups.
E.Restoration drama achieved popular success at the expense of critical success.
第3题
nty-five years ago. Not many people then drank wine with meals, and no one drank imported mineral water. No idea would have been more astonishing than that Americans would pay to watch soccer games. Such thoughts arise because of a report that the American Association of State Highway and Transportation Officials has just adopted a proposal to develop the countrys first comprehensive interstate system of routes for bicycles. Which of the following inferences is best supported by the passage?
A.Long-distance bicycle routes are used in Europe.
B.Drinking imported mineral water is a greater luxury than drinking imported wine.
C.United States culture has benefited from exposure to foreign ideas.
D.Most Europeans make regular use of bicycles.
E.The influence of the United States on European culture has assumed unprecedented proportions in the last twenty-five years.
第4题
cars and that resources would be diverted from writing speeding tickets to ticketing illegally parked cars. But no crackdown has taken place. The police chief claims that resources have had to be diverted from writing speeding tickets to combating the city s staggering drug problem. Yet the police are still writing as many speeding tickets as ever. Therefore, the excuse about resources being tied up in fighting drug-related crime simply is not true. The conclusion in the passage depends on the assumption that
A.every member of the police force is qualified to work on combating the city"s drug problem.
B.drug-related crime is not as serious a problem for the city as the police chief claims it is.
C.writing speeding tickets should be as important a priority for the city as combating drug-related crime.
D.the police could be cracking down on illegally parked cars and combating the drug problem without having to reduce writing speeding tickets.
E.the police cannot continue writing as many speeding tickets as ever while diverting resources to combating drug-related crime.
第5题
ing is harmful to local wildlife. To produce the same amount of food, however, more land must be under cultivation when organic farming techniques are used than when chemicals are used. Therefore, organic farming leaves less land available as habitat for local wildlife. Which one of the following is an assumption on which the authors argument depends?
A.Chemical fertilizers and pesticides pose no health threat to wildlife.
B.Wildlife living near farms where chemicals are used will not ingest any food or water containing those chemicals.
C.The only disadvantage to using chemicals in farming is their potential effect on wildlife.
D.The same crops are grown on organic farms as on farms where chemicals are used.
E.Land cultivated by organic farming methods no longer constitutes a habitat for wildlife.
第6题
ividual may have toward any particular disease. Eventually, effective strategies will be discovered to counteract each such susceptibility. Once these effective strategies are found, therefore, the people who follow them will never get sick. The argument above is based on which of the following assumptions?
A.For every disease there is only one strategy that can prevent its occurrence.
B.In the future, genetics will be the only medical specialty of any importance.
C.All human sicknesses are in part the result of individuals" genetic susceptibilities.
D.All humans are genetically susceptible to some diseases.
E.People will follow medical advice when they are convinced that it is effective.
第7题
the rise is that the falling value of the dollar will make it cheaper for paper manufacturers in Japan and Western Europe to buy American wood pulp than to get it from any other source. Which of the following is an assumption made in drawing the conclusion above?
A.Factory output of paper products in Japan and Western Europe will increase sharply during this year.
B.The quality of the wood pulp produced in the United States would be adequate for the purposes of Japanese and Western European paper manufacturers.
C.Paper manufacturers in Japan and Western Europe would prefer to use wood pulp produced in the United States if cost were not a factor.
D.Demand for paper products made in Japan and Western Europe will not increase sharply during this year.
E.Production of wood pulp by United States companies will not increase sharply during this year.
第8题
a one-way road, and police a mile farther down the road photographed 49 vehicles that were speeding. Since every vehicle that passed the automatic camera also passed the police during the hour, the police photographed fewer than half of the vehicles that were speeding when passing them. Which of the following is an assumption on which the reasoning in the argument above depends?
A.Fewer than half of the vehicles that were speeding when they passed the police were already speeding when they passed the automatic camera.
B.Drivers who are not exceeding the speed limit are less likely than drivers who are speeding to reduce their driving speed when they see a marked police car.
C.Most of the vehicles that were speeding when they passed the automatic camera were still speeding when they passed the police.
D.More than 100 vehicles passed the automatic camera during the hour in which the automatic camera photographed 100 speeding vehicles.
E.Not more than 100 vehicles drove past the police during the hour in which the police photographed 49 speeding vehicles.
第9题
sweetener in sweetening power. When used to sweeten food, blends greatly decrease the likelihood that consumers will exceed acceptable daily intakes for individual sweeteners. Blends should therefore be used, rather than single sweeteners alone, since blends are clearly more healthful, yet equally effective. The argument above depends on which of the following assumptions?
A.When ingested together, different artificial sweeteners in the blends do not interact in a way that makes them harmful to human health.
B.Different artificial sweeteners, when used together in food, do not contribute a more desirable flavor to the food than would any one of them by itself.
C.The acceptable daily intake for any given artificial sweetener is a conservative figure that could probably be greatly exceeded at little or no risk.
D.Consumers who substitute artificial sweeteners for sugar in their diets generally keep track of their daily intake of different sweeteners.
E.The ill effects on health produced by the intake of excessive quantities of any single artificial sweetener cannot be reversed by reducing intake later.
第10题
y the nineteenth century German composer Richard Wagner. Although music producers tend to produce what audiences want, relative infrequency of performance probably does not indicate lack of popularity in Wagner s case, since Wagners operas are notoriously expensive to perform. on stage. Which of the following, if true, most strongly support the conclusion of the argument above?
A.The list of most frequently performed operas does not include operas produced by small amateur groups.
B.Some opera companies are backed by patrons who are willing to commit large sums of money in order to enjoy lavish productions.
C.All of the fifteen most frequently performed operas of recent times are works that have been popular for at least 75 years.
D.More recordings have been produced recently of the works of Wagner than of the works of any other composer of opera.
E.Operatic works of all kinds have been increasing in popularity in recent years.
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