精选优质文档-倾情为你奉上2011年全国公共英语三级模拟试题及答案TextMost young people enjoy physical activities, walking, cycling, football, or mountaineering.These who have a passion 26 climbing high and difficult mountains are often 27 with astonishment. Why are men and women 28 to suffer cold and hardship, and to 29 on high mountains? This astonishment is caused, probably, by the difference between mountaineering and other forms of activities 30 which men give their leisure.There are no man-made rules, a
