GMAT逻辑归纳题例题二

　　新东方在线GMAT频道为大家带来GMAT逻辑归纳题例题附答案，希望对大家GMAT备考有所帮助。更多精彩尽请关注新东方在线GMAT频道!

点击查看》》》【GMAT逻辑题型讲义汇总】

　　6. (Z2-20) Shipping Clerk: The five specially ordered shipments sent out last week were sent out on Thursday. Last week, all of the shipments that were sent out on Friday consisted entirely of building supplies, and the shipping department then closed for the weekend. Four shipments were sent to Truax Construction last week, only three of which consisted of building supplies.

　　If the shipping clerk’s statements are true, which of the following must also be true?

　　A. At least one of the shipments sent to Truax Construction last week was specially ordered.

　　B. At 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. (Z2-30) Although most smoking-related 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 smoking-related 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 smoking-related 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. (Z3-32) From 1980 to 1989, total consumption of fish in the country of Jurania increased by 4.5 percent, and total consumption of poultry products there increased by 9.0 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?

　　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 company'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 company's divisions have remained roughly constant.

　　(B) The pharmaceuticals division has faced stiffer competition in its markets than has the chemicals division.

　　(C) The chemicals division has realized lower profits per dollar of sales than has the pharmaceuticals division.

　　(D) The product mix offered by each of the company's divisions has remained unchanged.

　　(E) Highly profitable products accounted for a higher percentage of the chemicals division's sales than of the pharmaceuticals division's.

　　10.(Z6-40) From 1973 to 1976, total United States consumption of cigarettes increased 3.4 percent, and total sales of chewing tobacco rose 18.0 percent. During the same period, total United States population increased 5.0 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.

　　E. A large percentage of United States smokers switched from cigarettes to chewing tobacco between 1973 and 1976.

　　例题答案： EAECB

课程推荐》》更多