揽瓜阁 逻辑做题小分队Day155

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To save the world’s declining marine fish populations, economists recommend reducing fishing yields in the short term and then, for the long term, capping worldwide annual total yields for each species at the number of fish caught this year. This, they say, will enable fish populations to rebound to sustainable levels. Fishers have complained that the proposed long-term cap would limit them to today’s profits, even after the rebound. However, economists say that even fishers who catch the same number of fish would see real profits (adjusted for inflation) rise.

Which of the following, if true, provides the strongest justification for the economists’ prediction?

A. Fishers can charge more for fish that are perceived to be rare than for fish that are perceived to be fairly plentiful.

B. Capping fishing yields is likely in the long run to encourage new fishing concerns to enter the marine fishing industry.

C. Inflation is expected to raise consumer prices for fish, as well as fishing costs, over the next several years

D. With substantial investments in technological advancements, fishers can more easily catch fish.

E. As fish become more plentiful, the average cost to catch a given number of fish tends to decrease.

The use of grain for chapatis, tortillas, and other breads rises as the population of a country rises. But the amount of grain required to provide enough bread to feed an adult for a year is much less than the amount of grain required to produce enough meat to feed an adult for a year. Thus as a nation becomes more prosperous, the amount of grain required to satisfy its people’s food demand rises more steeply than the growth in its population, since_____

Which of the following would, if true, most logically complete the argument above?

A. processed meat tends to be more costly than processed grain

B. the demand for meat rises as its citizens become wealthier

C. storing grain is easier and less expensive than storing meat

D. food in wealthier countries tends to be more expensive relative to other goods

E. as the demand for a commodity grows its price tends to increase

参考答案：EB

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