2017中考英语阅读理解训练：a traffic police officer

　　阅读短文，并回答文后的问题。

　　Mark Hill is a traffic police officer(交通警察)in Watford，near London.He works on some of the busiest motorways in Britain，the M1and the M25.

　　“There are traffic police on duty twen-ty-four hours a day.There are three shifts(轮班)，and each shift is eight hours.On average(按平均数计算)we have to deal with three to four accidents each shift.”

　　“We deal with anyone in the accident who is injured(受伤)。That's the first thing.Then we have to clear the road and get the traffic moving again.”

　　“Most accidents happen because people drive too fast—especially(特别)when the roads are wet.Sometimes accidents happen because drivers don't follow the rules.For example，I've seen a number of cases(案件)of drivers overtaking(超车)on the left.This is illegal(违法的)in Britain.If you want to overtake，you have to go into the fast lane(车道)on the right.”

　　“I like my job.I have a varied(各种各样的)working day—I never know what I'm going to do from one day to the next.And I meet all kinds of people.I don't think any other job can give you special experience(经历)like that.”

　　1)Who is Mark Hill?

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　　2)How many accidents are there in a 24-hour period(时期)?

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　　3)After an accident，what does Mark usually do?

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　　4)Why do most accidents on motorways happen?

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　　5)What can Mark Hill's job give him?

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