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least one of last week’s specially ordered shipments did not consist of building supplies. C. At least one of the shipments sent to Truax Construction was not sent out on Thursday of last week. D. At least one of the shipments that were sent out on Friday of last week was sent to Truax Construction. E. At least one of the shipments sent to Truax Construction last week was sent out before Friday. 7. (Z230) Although most smokingrelated illnesses are caused by inhaling the tar in tobacco smoke, it is addiction to nicotine that prevents most smokers from quitting. In an effort to decrease the incidence of smokingrelated illnesses, lawmakers in Sandonia plan to reduce the average quantity of nicotine per cigarette by half over the next five years. Unfortunately, smokers who are already addicted to nicotine tend to react to such reductions by smoking correspondingly more cigarettes. The information above most strongly supports which of the following predictions about the effects of implementing the Sandonian government’s plan? A. The average quantity of tar inhaled by Sandonian smokers who are currently addicted to nicotine will probably not decrease during the next five years. B. Sandonian smokers who are not already addicted to nicotine will probably also begin to smoke more cigarettes during the next five years than they had previously. C. The annual number of Sandonian smokers developing smokingrelated illnesses will probably decrease during the next five years. D. The proportion of Sandonians attempting to quit smoking who succeed in that attempt will probably decrease during the next five years. E. The number of Sandonians who quit smoking during the next five years will probably exceed the number who quit during the last five years. 8. (Z332) From 1980 to 1989, total consumption of fish in the country of Jurania increased by percent, and total consumption of poultry products there increased by percent. During the same period, the population of Jurania increased by 6 percent, in part due to immigration to Jurania from other countries in the region. If the statements above are true, which of the following must also be true on the basis of them? 7 A. During the 1980’s in Jurania, profits of wholesale distributors of poultry products increased at a greater rate than did profits of wholesale distributors of fish. B. For people who immigrated to Jurania during the 1980’s, fish was less likely to be a major part of their diet than was poultry. C. In 1989 Juranians consumed twice as much poultry as fish. D. For a significant proportion of Jurania’s population, both fish and poultry products were a regular part of their diet during the 1980’s. E. Per capita consumption of fish in Jurania was lower in 1989 than in 1980. 9. A pany39。s two divisions performed with remarkable consistency over the past three years: in each of those years, the pharmaceuticals division has accounted for roughly 20 percent of dollar sales and 40 percent of profits, and the chemicals division for the balance. Regarding the past three years, which of the following can properly be inferred from the statement above? (A) Total dollar sales for each of the pany39。s divisions has remained unchanged. (E) Highly profitable products accounted for a higher percentage of the chemicals division39。s. 10.(Z640) From 1973 to 1976, total United States consumption of cigarettes increased percent, and total sales of chewing tobacco rose percent. During the same period, total United States population increased percent. If the statements above are true, which of the following conclusions can be properly drawn? A. United States manufacturers of tobacco products had higher profits in 1976 than in 1973. B. Per capita consumption of cigarettes in the United States was lower in 1976 than in 1973. C. The proportion of nonsmokers in the United States population dropped slightly between 1973 and 1976. D. United States manufacturers of tobacco products realize a lower profit on cigarettes than on chewing tobacco. 8 E. A large percentage of United States smokers switched from cigarettes to chewing tobacco between 1973 and 1976. 例題答案: ECBCA EAECB 練習(xí)題: 1. Advertisement: Today39。s petitors will succeed in attracting customers only if those petitors adopt MegaCorp39。s goal is possible to meet only if continuing advances in product quality are possible. (D) If a pany bees satisfied with the quality of its products, then the quality of its products is sure to decline. (E) MegaCorp39。 remendations to NIH directors. (D) A significant increase in funding for the training of social scientists would result in an increase in the number of social scientists on NIH advisory councils. (E) A significant increase in the representation of social scientists on NIH 9 advisory councils would have to precede any increase in the number of NIH directors who are social scientists. 3.(Z713)Fact: Asthma, a bronchial condition, is much less mon ailment than hay fever, an allergic inflammation of the nasal passages. Fact: over 95 percent of people who have asthma also suffer from hay fever. If the information given as facts above is true, which of the following must also be true? A. Hay fever is a prerequisite for the development of asthma B. Asthma is a prerequisite for the development of hay fever C. Those who have neither hay fever nor asthma prise less than 5 percent of the total population D. The number of people who have both of these ailments is greater than the number of people who have only one of them E. The percentage of people suffering from hay fever who also have asthma is lower than 95 percent. 4. (Z830)The quality of unrefined olive oil is not actually defined in terms of acidity, yet extensive t