经常加班易导致中风

Usually working late at the office increases the risk of having a stroke(中风) or heart attack, researchers have found. Working just an hour extra each day increases stroke risk by 10 percent. And people who work an extra three hours a day —or 55 hours a week—are 33 percent more likely to have a stroke, the scientists found. The research is based on health records of more than 500,000 people across Europe, the US and Australia. 

Scientists said that people who work longer hours do less exercise, sit at a computer for hours, and drink more than people who work normal hours. 

Stress may also be the reason for greater health problems, the scientists think. They found that people working 41 to 48 hours a week were 10 percent more likely to have a stroke than those who worked 35 to 40 hours a week. People who worked 49 to 54 hours a week had a 27 percent increased chance of having a stroke. And those who worked 55 or more hours were 33 percent more likely to fall victim.

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1.Usually working late at the office increases the risk of having a stroke or_______ .

A high pressure

B headache

C cancer

D heart attack

解析：选D。细节理解题。根据第一段第一句Usually staying late at the office increases the risk of having a stroke or heart attack,…可知，故选D。

2.The people in the research were NOT from_____.

A Canada

B the US

C Europe

D Australia

解析：选A。细节理解题。根据第一段最后一句The research is based on health records of more than 500,000 people across Europe, the US and Australia. 可知，故选A。

3.Which is NOT likely to cause a stroke?

A Doing less exercise.

B Walking a lot.

C Drinking more.

D Sitting at a computer for hours.

解析：选B。细节理解题。根据第二段内容可知do less exercise, sit at a computer for hours, and drink more 都是会导致中风的坏习惯，故选B。

4.Where can you read this passage?

A In a traveling book.

B In a health magazine.

C In a dictionary.

D In a student’s diary.

解析：选B。文章出处题。本文为一份关于健康的研究报告，不可能出现在旅行手册、词典或者学生日记里面，故选B。

5.What’s the best title for the passage?

A Overwork causes health problems.

B The cause of stroke.

C Overwork makes more money.

D How to keep healthy.

解析：选A。文章标题题。综合全文，A项“加班易导致健康问题”契合文章内容，故选A。