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  3. Questions 88-90 refer to the following a

Questions 88-90 refer to the following a

恬恬2019-12-17  4
问题 Questions 88-90 refer to the following advertisement.Obese people are less productive in the workplace and more prone to injury, a study claims. The researchers say their findings were so extreme that overweight people may need to take longer breaks to recover from the strains of work. They assessed how long it took for people of various sizes to perform certain tasks in the workplace. Obese people had, on average, 40 per cent shorter endurance times.  The study, conducted at Virginia Tech and the University at Buffalo in the U.S., examined the endurance of 32 people in four categories: non-obese young, obese young, non-obese older, and obese older. Each of them completed three tasks that involved a range of skills: hand grip, shoulder elevation, and a simulated assembly operation. Every task involved periods of work and rest, and included a level of activity similar to manufacturing settings.The number of people who are obese has doubled over the past three decades-and has been linked to higher rates of workplace injury and a greater number of days of sick. ‘Workers who are obese may need longer rest breaks to return to their initial state of muscle function,’ said Dr Cavuoto. Based on the increased fatigue found   among workers who are obese, workplace designers may need to consider adding fixtures and supports to minimize the amount of time that body mass segments need to be supported. ‘We believe our results will help to develop more inclusive ergonomic guideline,’ she added. The researchers also looked at the effect of obesity and age on endurance times.  Previous research has indicated that both age and obesity hamper mobility-particularly when it comes to walking and low-energy tasks. But the researchers in this study, published in the Journal of Occupational and Environmental Hygiene, found no such link.Which of the following statements is true according to the article?
选项 A. The subjects of the study are of all agesB. The number of obese people has been on the increaseC. The tasks involved takes place in real work situationD. The study has lasted over three decades
答案B
解析细节题。文章第二段第一句即提到“The number of people who are obese has doubled over the past three decades”（过去的30 年中肥胖人群的数量翻了一倍），也就是说肥胖人群的数量一直在增加。故选B。
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