TAILIEUCHUNG - Gmat official guide 10th edition part 2

Tham khảo tài liệu 'gmat official guide 10th edition part 2', ngoại ngữ, kỹ năng đọc tiếng anh phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | unemployment insurance payments. 88. The author is arguing that A higher taxes and unemployment insurance payments will discourage corporations from automating B replacing people through automation to reduce production costs will result in increases of other costs to corporations. C many workers who lose their jobs to automation will have to be retrained for new jobs D corporations that are laying people off will eventually rehire many of them E corporations will not save money by automating because people will be needed to run the new machines 89. Which of the following if true most strengthens the author s argument Many workers who have already lost their jobs to automation have been unable to find new jobs. Many corporations that have failed to automate have seen their profits decline. Taxes and unemployment insurance are paid also by corporations that are not automating. Most of the new jobs created by automation pay less than the jobs eliminated by automation did. The initial investment in machinery for automation is often greater than the short-term savings in labor costs. 90. The sustained massive use of pesticides in farming has two effects that are especially pernicious. First it often kills off the pests natural enemies in the area. Second it often unintentionally gives rise to insecticide-resistant pests since those insects that survive a particu- lar insecticide will be the ones most resistant to it and they are the ones left to breed. From the passage above it can be properly inferred that the effective- ness of the sustained massive use of pesticides can be extended by doing which of the following assuming that each is a realistic possibility Using only chemically stable insecticides Periodically switching the type of insecticide used Gradually increasing the quantities of pesticides used Leaving a few fields fallow every year Breeding higher-yielding varieties of crop plants 91. When a polygraph test is judged inconclusive this is no reflection on .

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