21 . The program to control the entry of illegal drugs into the country was a failure in 19If the program had been successful, the wholesale price of most illegal drugs would not have dropped substantially in 19The argument in the passage depends on which of the following assumptions？
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.
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From a certain farming region, trucks can carry vegetables to market in New Mexico in two
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.
Popular culture in the United States has become Europeanized to an extent unimaginable twenty-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.
More than a year ago, the city announced that police would crack down on illegally parked
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.
Exports of United States wood pulp will rise considerably during this year. The reason for
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.
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.
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