If you are thinking about taking up running to burn off those holiday pounds, you might want to ______ a pair running shoes. Running barefoot (赤脚) might be better for you than running in shoes.
This is the result of a new research ______ the scientists at Glasgow University in Scotland. In fact, the researchers say running in shoes may be ______ to our bodies. The research team found that 75 percent of the runners in their study experienced ______ called “heel strike (脚跟触地)”. This is when our heels ______ the ground too bard and shock our bones. This happens around 1,000 times for every 1.5 km when we run. The scientists say running barefoot is more natural, People who run without ______ do not land on their heels and this avoids sending shock waves to their bodies. Barefoot runners may be at less risk of injury (受伤) than those who ______ running shoes.
The research helps explain why many long-distance runners run so well barefoot. The scientists say, “Humans have been ______ for millions of years, but the modern running shoe was not invented until the 1970s.” They added, “For most of human history, ______ were either barefoot or wore the simplest shoes.” Running barefoot is ______ in many parts of the world, especially in Africa. Of course if you take up running barefoot, you should start slowly in order to avoid injury.
21. A.sell | B.buy | C.produce | D.prevent |
22. 23. A.helpful | B.harmful | C.good | D.useful |
24. A.everything | B.anything | C.something | D.nothing |
25. 26. A.shorts | B.trousers | C.shoes | D.socks |
27. A.wear | B.discover | C.buy | D.invent |
28. A.running | B.walking | C.swimming | D.skating |
29. A.winners | B.runners | C.scientists | D.researchers |
30. A.difficult | B.famous | C.interesting | D.common |