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Regularly staying late at the office sig...

Regularly staying late at the office significantly increases the risk of having a stroke or heart attack, researchers have found, working just an hour extra each day pushes up stroke risk by 10 per cent, according to a huge review of working patterns. And people who work an extra three hours a day--or 55 hours a week--are 33 per cent more likely to have a stroke, the scientists found.

The research, published in the Lancet medical journal, is based on health records of more than 500, 000 people across Europe, the US and Australia.

Scientists led by University College London warned that people who work longer hours tend to do less exercise, sit at a computer for hours at a time and drink more than people with a better work-life balance. Repeated stress may also be to blame for greater health problems, the scientists think.

They looked at the combined result of 17 previous studies, in which 529, 000 people were tracked over an average of seven years.

Experts stressed that the study had only found a link between hours worked and heart problems---it had not proved what had actually caused each death. But they warned people to take note of the findings.

Dr Tim Chico, consultant cardiologist at Sheffield Teaching Hospitals, said “For many people, reducing their working hours would be difficult or impossible, and this study does not show that it would reduce the risk of stroke." Most of us could reduce the amount of time we spend sitting down, increase our physical activity and improve our diet while working and this might be more important the more time we spend at work.

1.Which areas are involved in the research?

A. The US, Australia and Russia.  

B. Japan, Britain and China.

C. China, Russia and Japan.

D. Europe, the US and Australia.

2.Which factor is NOT the cause of the higher risk of health problems?

A. Excessive drinking.           B. A healthy diet.

C. Repeated stress.              D. Lack of exercise

3.What can we infer from the passage?

A. People who work longer are less likely to suffer a stroke.

B. All the deaths are caused by working long hours.

C. The research was based on the tracking of over 500, 000 people.

D. Reduced working hours will surely decrease the risk of stroke.

4.Where is this passage probably taken from?

A. A news report.

B. A science magazine.

C. A psychological journal. 

D. A hospital introduction.

 

1.D 2.B 3.C 4.B 【解析】 试题分析:本文属于说明文中的研究报告,介绍了一项对来自欧洲、美国和澳大利亚共500000人的研究成果,该研究发现工作时间长短和中风等健康问题有直接的联系。 1. 2. 3. 4. 【名师点睛】 本文5. never, the most,all, every, any, merely, only, completely, none, hardly, already。 Q: According to the first two paragraphs, ____. A. the use of water is a completely new concept B. the sea has already long been used as a way of power C. water is a source of energy far more economicalthan any other energies D. water, if properlyhandled, may present a promising solution to energy crisis. 『个案解析』:很明显,根据委婉原则,正确答案应该为D, 其他三项都含有过于肯定语气的词,如:completely, has already, far morethan any other。而选项D比较委婉,if分词短语使说话留有余地,情态动词may使语气相对平缓。 考点:考查说明文阅读
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