揽瓜阁逻辑做题小分队 第59天

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1. Which of the following most logically completes the argument?
Exposure to cold is the major killer of newborn lambs in Morland. Recently, garments to protect lambs from cold have become available. Although these garments cost less than the loss of a lamb, they're too expensive for Morland sheep farmers to purchase enough for all newborn lambs. However, purchasing garments for even a small percentage of their newborn lambs could significantly reduce the death rate, since only about 8% die of cold, and_______.
A The average income of Morland sheep farmers has remained fairly steady in recent years.
B Newborn lambs on sheep farms are seldom kept in heated barns.
C The lambs at risk from cold are those below a certain critical weight at birth.
D Lambs that survive exposure to extreme cold typically bring a lower market price the lambs that were never exposed to extreme cold.
E Few adult sheep die of exposure to cold.


2. The proportion of manufacturing companies in Alameda that use microelectronics in their manufacturing processes increased from 6 percent in 1979 to 66 percent in 1990. Many labor leaders say that the introduction of microelectronics is the principal cause of the great increase in unemployment during that period in Alameda. In actual fact, however, most of the job losses were due to organizational changes. Moreover, according to new figures released by the labor department, there were many more people employed in Alameda in the manufacturing industry in 1990 than in 1979.
Which of the following, if true, best reconciles the discrepancy between the increase in unemployment and the increase in jobs in the manufacturing industry of Alameda?
A. Many products that contain microelectronic components are now assembled completely by machine.
B. Workers involved in the various aspects of the manufacturing processes that use microelectronic technology need extensive training.
C. It is difficult to evaluate numerically what impact on job security the introduction of microelectronics in the workplace had before 1979.
D. In 1990 over 90 percent of the jobs in Alameda’s manufacturing companies were filled by workers who moved to Alameda because they had skills for which there was no demand in Alameda prior to the introduction of microelectronics there.
E. Many workers who have retired from the manufacturing industry in Alameda since 1979 have not been replaced by younger workers.


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