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1、大学英语四级试练习卷一、阅读理解阅读理解（一）Most young people enjoy some form of physical activity.It may be walking, cycling or swimming,or in winter,skating or skiing.It may be game of some kind football,hockey,golf,or tennis.It may be mountaineering. Those who have a passion for climbing high and difficult mountains
2、are often looked upon with astonishment.Why are men and women willing to suffer cold and hardship,and to take risks on high mountains? This astonsihment is caused probably by the difference between mountaineering and other forms of activity to which men give their leisure. Mountaineering is a sport
3、and not a game.There are no man-made rules,as there are for such games as golf and football.There are , of course,rules of adifferent kind which it would be dangerous to ignore,but it is this freedom from man-made rules that makes mountaineering attractive to many people.Those who climb mountains ar
4、e free to use their own methods. If we compare mountaineering and other more familiar sports,we might think that one big difference is that mountaineering is not a team game. We should be mistaken in this. There are ,it is true, no matches between teams of climbers, but when climbers are on a rock f
5、ace linked by a rope on which their lives may depend,there is obviously teamwork. The mountain climber knows that he may have to fight forces that are stronger and more powerful than man. He has to fight the forces of nature. His sport tequires high mental and physical qualities. A mountain climber
6、continues to improve in skill year after year. A skier is probably past his best by the age of thirty,and most international tennis champions are in their early twenties.But it is not unusual for man of fifty or sixty to climb the highest mountains in Alps.They may take more time than younger men, b
7、ut they probably climb with more skill and less waste of effort,and their certianly experience equal enjoyment.1.Mountaineering involves_.A.cold B.hardship C.physical risk D.all of the above2.The difference between a sport and a game has to do with the kind of _.A.activity B.rules C.uniform D.partic
8、ipants3.Mountaineering can be called a team sport because_.A.it is an Olympic event B.teams compete against each other C.mountaineers depend on other while climbing D.there are 5 climbers on each team4.Mountaineers compete against_.A.nature B.each other C.other teams D.international standards5.Choos
9、e the best title for the _.A.mountaineering is different from golf and footballB.mountaineering is more attractive than other sportsC.mountaineeringD.mountain climbers阅读理解（二）Flying over a desert area in an airplane, two scientists looked down with trained eyes at trees and bushes. After an hours fli
10、ght one of the scientists wrote in his book, Look here for probable metal Scientists in another airplane, flying over a mountain region,sent a message to other scientists on the ground,Gold possible. Walking across hilly ground, four scientists reported,This ground should be searched for metals. Fro
11、m an airplane over a hilly wasteland a scientist sent back by radio one word,Uranium. None of the scientists had X-ray eyes: they had no magic powers for looking down below the earths surface. They were merely putting to use one of the newest methods of location minerals in the ground-using trees an
12、d plants as signs that certain minerals may lie beneath the ground on which the trees and plants are growing. This newest method of searching for minerals is based on the fact that minerals deep in the earth may affect the kind of bushes and trees that grow on the surface.At Watson Bar Creek, a broo
13、k six thousand feet high in the mountains of British Columbia, Canada,a mineral search group gathered bags of tree seeds. Boxed were filled with small banches from te trees. Roots were dug and put into boxes. Each bag and box was carefully markeD. In a scientific laboratory the parts of the forest t
14、rees were burned to ashes and tested .Each small part was examined to learn whether there were minerals in it. Study of the roots , branches,and seeds showed no silver. But there were small amounts of gold in the roots and a little less gold in the branches and seeds. The seeds growing nearest to th
15、e tree trunk had more gold than those growing on the ends of the branches. If the trees had not indicated that there was gold in the ground, the scientists would not have spent money to pay for digging into the deeper. They did dig and found more fold below. They dug deeper. They found large quantit
16、ies of gold.1.Scientists were flying over a desert or hilly wasteland or a mountain region in order to search for _ in the ground.A.gold B.silver C.metals D.minerals2.The study of trees,branches and roots indicates that_.A.there were larger amounts of gold in the branches than in the seeds. B.there were small amounts of gold in the roots than in the branchesC.there were larger amounts of gold in the
