Five years ago, David Smith wore an expensive suit to work every day. "I was a clothes addict," he jokes. "I used to carry a fresh suit to work with me so I could change if my clothes got wrinkled. " Today David wears casual clothes—khaki pants and sports shirt—to the office. He hardly ever wears a necktie. "I’m working harder than ever," David says, "and I need to feel comfortable. "
More and more companies are allowing their office workers to wear casual clothes to work in the United States. The change from formal to casual office wear has been gradual. In the early 1990s, many companies allowed their employees to wear casual clothes on Friday (but only on Friday). This became known as "dress-down Friday" of "casual Friday". "What started out as an extra one-day-a-week benefit for employees has really become an everyday thing. " said business consultant Maisly Jones.
Why have so many companies started allowing their employees to wear casual clothes One reason is that it’s easier for a company to attract new employees if it has a casual dress code. "A lot of young people don’t want to dress up for work, "says the owner of a software company, "so it’s hard to hire people if you have a conservative dress code. "Another reason is that people seem happier more productive when they are wearing comfortable clothes. In a study conducted by Levi Strauss and & Co. , 85 percent of employers said that they believe that casual dress improves employee morale. Only 4 percent of employers said that casual dress has a negative impact on productivity. Supporters of casual office wear also argue that a casual dress code helps them save money. "Suits are expensive, if you have to wear one every day," one person said. "For the same amount of money, you can buy a lot more casual clothes. /
In this passage, the following advantages of casual office wear are mentioned in the passage except______.

A:saving employees’ money B:making employees more attractive C:improving employees’ motivation D:making employees happier

Laying off employees is especially stressful on managers in that

A:the managers are the bad news bearers and announcers. B:the managers are worried about the increasing amount of work. C:the managers are afraid of being laid off themselves. D:the managers are confronting upsetting information from employees.

Exercise Lowers Employers’ Health Costs
Companies can save millions in health-care costs simply by encouraging their employees to exercise a little bit, researchers reported on Friday.
They said obese (肥胖的) employees had higher health-care costs, but lowered those expenses by exercising just a couple of times a week — without even losing any weight.
Feifei Wang and colleagues at the University of Michigan studied 23,500 workers at General Motors.
They estimated that getting the most sedentary (惯于久坐的) obese workers to exercise would have saved about $790,000 a year, or about 1.5I percent of health-care costs for the whole group.
Company-wide, the potential savings could reach $7.1 million per year, they reported in the Journal of Occupational and Environmental Medicine.
Of the whole group of workers, about 30 percent were of normal weight, 45 percent were overweight (超重的), and 25 percent were obese. Annual health-care costs averaged $2,200 for normal weight, $2,400 for the overweight, and $2,700 for obese employees.
But among workers who did no exercise, health-care costs went up by at least $100 a year, and were $3,000 a year for obese employees who were sedentary.
But adding two or more days of light exercise — at least 20 minutes of exercise or work hard enough to increase heart rate and breathing — lowered costs by on average $500 per employee a year, the researchers found.
"This indicates that physical activity behavior could reduce at least some of the harmful effects of excess body fat, and in consequence, help lower the health-care costs," Wang and colleagues wrote.
For which group of the workers were the health-care costs the highest

A:The employees of normal weight. B:The overweight employees. C:The obese employees. D:The sedentary obese employees.

? ?下面有3篇短文，每篇短文后有5道题，每道题后面有4个选项。请根据文章的内容，从每题所给的4个选项中选择1个最佳答案。
{{B}}第一篇{{/B}}

For which group of the workers were the health-care costs the highest?

A:The employees of normal weight. B:The overweight employees. C:The obese employees. D:The sedentary obese employees.

{{B}}第三篇{{/B}}

For which group of the workers were the health-care costs the highest?

A:The employees of normal weight. B:The overweight employees. C:The obese employees. D:The sedentary obese employees.

　第一篇 Exercise Lowers Employers’Health Costs 　　Companies can save millions in health-care costs simply by encouraging their employees to exercise a little bit，researchers reported on Friday． 　　They said obese(肥胖的)employees had higher health-care costs，but lowered those expenses by exercising just a couple of times a week-without even losing any weight． 　　Feifei Wang and colleagues at the University of Michigan studied 23，500 workers at General Motors． 　　They estimated that getting the most sedentary(惯于久坐的)obese workers to exercise would have saved about$790，000 a year，or about 1．5 percent of health-care costs for the whole group. 　　Company-wide．the potential savings could reach$7 1 million per year，they reported in the Journal of Occupational and Environmental Medicine 　　Of the whole group of workers．about 30 percent were of normal weight，45 percent were overweight(超重的)，and 25 percent were obese．Annual health-care costs averaged$2，200 for normal weight，$2，400 for the overweight，and$2，700 for obese employees． 　　But among workers who did no exercise，health-care costs went up by at least$100 a year，and were$3．000 a year for obese employees who were sedentary 　　But adding two or more days of light exercise——at least 20 minutes of exercise or work hard enough to increase heart rate and breathing——lowered costs by on average$500 per employee a year，the researchers found. 　　"This indicates that physical activity behavior could reduce at least some of the harmful effects of excess body fat，and in consequence，help lower the health-care costs，"Wang and colleagues wrote． For which group of the workers were the health-care costs the highest?

A:The employees of normal weight． B:The overweight employees C:The obese employees． D:The sedentary obese employees．

　第三篇 　Exercise Lowers Employers‘Health Costs 　　Companies can save millions in health-care costs simply by encouraging their employees to exercise a little bit，researchers reported on Friday 　　They said obese(肥胖的)employees had higher health。care costs，but lowered those expenses by exercising just a couple of times a week——without even losing any weight. 　　Feifei Wang and colleagues at the University of Michigan studied 23，500 workers at General Motors． 　　They estimated that getting the most sedentary(惯于久坐的)obese workers to exercise would have saved about$790,000 a year．or about 15 percent of health—care costs for the whole group Company—wide，the potential savings could reach$7.1 million per year，they reposed in the Journal of Occupational and Environmental Medicine． 　　Of the whole group of workers，about 30 percent were of normal weight，45 percent were overweight(超重的)，and 25 percent were obese．Annual health—care costs averaged$2，200 for normal weight，$2,400 for the overweight，and$2,700 for obese employees． 　　But among workers who did no exercise，healthcare costs went up by at least $100 a year，and were$3,000 a year for obese employees who were sedentary． 　　But adding two or more days of light exercise——at least 20 minutes of exercise or work hard enough to increase heart rate and breathing——lowered costs by on average$500 per employee a year，the researchers found． For which group of the workers were the health—care costs the highest?

A:The employees of normal weight． B:The overweight employees C:The obese employees． D:The sedentary obese employees

Five years ago, David Smith wore an expensive suit to work every day. "I was a clothes addict," he jokes. "I used to carry a fresh suit to work with me so I could change if my clothes got wrinkled. " Today David wears casual clothes—khaki pants and sports shirt—to the office. He hardly ever wears a necktie. "I’m working harder than ever," David says, "and I need to feel comfortable. "
More and more companies are allowing their office workers to wear casual clothes to work in the United States. The change from formal to casual office wear has been gradual. In the early 1990s, many companies allowed their employees to wear casual clothes on Friday (but only on Friday). This became known as "dress-down Friday" of "casual Friday". "What started out as an extra one-day-a-week benefit for employees has really become an everyday thing. " said business consultant Maisly Jones.
Why have so many companies started allowing their employees to wear casual clothes One reason is that it’s easier for a company to attract new employees if it has a casual dress code. "A lot of young people don’t want to dress up for work, "says the owner of a software company, "so it’s hard to hire people if you have a conservative dress code. "Another reason is that people seem happier more productive when they are wearing comfortable clothes. In a study conducted by Levi Strauss and & Co. , 85 percent of employers said that they believe that casual dress improves employee morale. Only 4 percent of employers said that casual dress has a negative impact on productivity. Supporters of casual office wear also argue that a casual dress code helps them save money. "Suits are expensive, if you have to wear one every day," one person said. "For the same amount of money, you can buy a lot more casual clothes. /
In this passage, the following advantages of casual office wear are mentioned in the passage except______.

A:saving employees’ money B:making employees more attractive C:improving employees’ motivation D:making employees happier