英语完形填空.Most students have a great love for modem running sho

英语完形填空.
Most students have a great love for modem running shoes.They think these shoes are connected with f______.And it is more comfortable to wear them.Ofcourse,it is!There arecushions(垫衬) in the shoes.
However,a study shows that wearing modem running shoes is bad for your health."Don't throw out your o_______ running shoes.They are better than modem ones," the study suggests.It is more natural to run ontiptoes(脚尖)rather than onheels(脚跟).But modem running shoes encourage runners to put their heels first on the earth.And modem shoes are usually h______ and more likely to cause bodily harm.　　The study says that running without shoes or with shoes that have fewer cushions can encourage runners to land on the front of the foot.So it will do l_____harm to the runner's feet.
"Many people today think that running without shoes is strange and very d______ ,but actually you can run without shoes on the world's hardest earth without feeling any p_______," says the study.
In cities,however sometimes it is not a good idea to run without shoes.In order not to be h_______ by pieces of glasses and other hard things,we can put on our old-fashioned running shoes.Though they are not good-looking,health always comes first.

(仅供参考)
1.fashion
2.old-fashioned
3.
4.less
5.discomfortable
6.
7.harmed