【简答题】A.Physical health may help people with their memory problem. B.People should learn more tricks to help memory when they are old. C.There are other factors leading to the memory loss of elderly people....
【简答题】It is no surprise that more and more people like bicycling, because it is fun, healthy and good. Maybe that's why there are 1.4 billion bicycles and only 400 million cars on roads worldwide today, Bik...