穿橡胶底帆布鞋或光脚跑步有益健康

Parents whose children demand the latest Nike or Adidas trainers may be better off buying old-fashioned plimsolls（橡胶底帆布鞋） because they encourage a healthier style of running, researchers claim. 
Big companies, like Nike and Adidas, make millions of dollars from selling thick-soled, highly-cushioned trainers both as fashion and sports shoes. The researchers warn that wearing such shoes from an early age can make it difficult to run in a natural and healthy way. Once we have grown used to running in trainers it is very difficult to alter our technique, even if we change or remove our shoes, and can even raise the risk of injury.
Children should be encouraged to wear shoes with thin, flexible soles such as plimsolls from a young age to help them develop a natural "barefoot（赤脚的）" running style, experts said.
Dr Mick Wilkinson, who undertook the research, told the British Science Festival in Newcastle:“If I was to advise someone on what to give their child I would say don’t go and buy them expensive Adidas or Nike big-cushioned jobs, just get them a pair of flexible, flat shoes. Give them basic foot-ware, nothing fancy, nothing structured, nothing particularly cushioned. There is a lot of evidence that the human foot is structured to cope with the forces of running by landing on the mid-foot.’’
Running in flat shoes, even better still, barefoot, encourages the runner to use the front of their foot which is a better technique for running, especially long distances as the human was designed to do.
Around the world, and in particular in the US, running barefoot is becoming increasingly popular with many long distance runners training without shoes.
Dr Wilkinson believes that training and running barefoot or in flat running shoes can help reduce injuries to runners, saying: “Injury rates in running have not changed since the 1970s, despite claims of improvements in running shoes. That has led some to conclude that barefoot running is better.”

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1.What does the second paragraph mainly tell us?

A Nike and Adidas are producing low-quality trainers.

B It is improper to wear hi-tech trainers at an early age.

C It is unnecessary to buy hi-tech trainers at an early age.

D Hi-tech trainers are too expensive for ordinary people to afford.

解析：选B。推理判断题。第二段第二句The researchers warn that wearing such shoes from an early age can make it difficult to run in a natural and healthy way谈到研究者警告人们早期穿这样高科技的运动鞋很难使孩子们以后会以一种自然健康的方式跑步，也就是说过早穿这种高科技的运动鞋是不合适的，故选B。

2.Why are people advised to wear plimsolls?

A They have a new fashion.

B They have better quality.

C They are healthier.

D They are cheaper.

解析：选C。细节理解题。根据第二段最后一句话if we change or remove our shoes, and can even raise the risk of injury以及第三段最后一句help them develop a natural "barefoot" running style可知橡胶帆布鞋能养成健康的跑步方式，降低受伤几率，故选C。

3.What can we infer from what Dr Mick Wilkinson said?

A Shoes industry is gradually declining.

B Barefoot running is more popular with people.

C Plain plimsolls will be replaced by barefoot running.

D People mustn’t run without shoes for a long distance.

解析：选B。推理判断题。根据倒数第二段最后一句话running barefoot is becoming increasingly popular with many long distance runners training without shoes.以及文章最后一句话barefoot running is better,可知光脚跑步逐渐在远距离的训练中被人们接受，故选B。

4.Who is the passage written mainly for？

A The bosses of shoes shop.

B The runners of long distance.

C The bosses of producing shoes.

D The parents of young children.

解析：选D。推理判断题。根据第一句话Parents whose children demand the latest Nike or Adidas trainers may be better off buying old-fashioned plimsolls以及Children should be encouraged to wear shoes with thin, flexible soles可推知本文主要是针对于有小孩子的父母亲所写，建议他们不要给小孩子穿那些大公司生产的高科技运动鞋，还是穿橡胶平底鞋最好，故选D。