奇速英语官网—英语在线学习平台_让学英语更快乐_更快速

Office workers could lose almost 6 pounds a year simply by standing at their desks, new research suggests. An international study of more than 1,000 men and women found standing instead of sitting for six hours a day burned an extra 54 calories each day, leading to significant weight loss. The research found standing burned almost twice as many calories in men compared with women, because they have higher muscle mass.

The study, which examined data from 1,184 people taking part in 46 previous studies, found the average difference in energy expenditure between sitting and standing was 0.15 calories a minute. It means those who spent six hours of the day standing rather than sitting could expect to lose almost six pounds in a year if they did not change their diet.

Many office workers could achieve significant weight loss if they spent regular periods standing at their desks, especially if it encouraged them to move about more. Standing for long periods of time for many adults may seem unmanageable, especially those who have desk jobs, but, for the person who sits for 12 hours a day, cutting sitting time to half would give great benefits.

Effects were most pronounced among men, which they said was likely to reflect the fact those with greater muscle mass burn calories more quickly. The results might even be an underestimate, and standing could also boost overall health. Standing not only burns more calories, the additional muscle activity is linked to lower rates of heart attacks, strokes and diabetes, so the benefits of standing could go beyond weight control.

1.How many calories does an hour’s standing burn more than sitting?

A 0.15 calories.

B 6 calories.

C 9 calories.

D 54 calories.

解析：选C。细节理解题。根据第一段第二句An international study of more than 1,000 men and women found standing instead of sitting for six hours a day burned an extra 54 calories each day ...可知站起来六个小时要比坐着多燃烧54卡路里，因此每小时多燃烧9卡路里，故选C。

2.Why do men burn more calories than women?

A Because they exercise more.

B Because they stand more.

C Because they eat less.

D Because they have higher muscle mass.

解析：选D。细节理解题。根据第一段最后一句The research found standing burned almost twice as many calories in men compared with women, because they have higher muscle mass.可知男子比女子燃烧更多卡路里是因为他们的肌肉含量更高，故选D。

3.What can we learn from this passage?

A You have to change your diet to lose weight.

B Adults have more chances to stand up.

C Desk workers can lose weight by standing at their desks.

D Standing a lot helps to lose weight but not keep healthy.

解析：选C。推理判断题。根据第三段第一句Many office workers could achieve significant weight loss if they spent regular periods standing at their desks, especially if it encouraged them to move about more. 可知文职工作者可以通过站立工作减肥，故选C。

4.What does the underlined word “pronounced” mean in Chinese?

A 糟糕的.

B 可能的.

C 显著的.

D 轻微的.

解析：选C。词义猜测题。根据第一段最后一句found standing burned almost twice as many calories in men compared with women和第三段第一句those with greater muscle mass burn calories more quickly可知男子减肥比女子容易，因此这里的意思是效果在男子身上更显著，更明显，故选C。

5.What is the main idea of this passage?

A Working by standing at your desk is good.

B Losing weight is good for your health.

C Man lose weight more easily than woman.

D Standing helps to lose weight.

解析：选D。主旨大意题。本文主要讲了站立有助于减肥的事情，故选D。