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1、高中英语7选5练习 AFor over one hundred and fifty years, Americans of all social classes have worn blue jeans 1 Whether they are worn for work or for fashion todayStrauss invention continues to be popular not only among Americans but also among people around the worldLevi Strauss was born in Germany in 1829
2、 2 He grew up in Kentucky before moving to New York in 1847Before becoming an American citizen and moving to the West in 1853, Strauss worked in his brothers dry goods businessThis gave him a chance to produce his famous inventionAfter the gold rush of 1949, Strauss decided to move to the West to se
3、ek his fortunesStrauss did not want to be a person who searched an area for mineralsInstead, he knew he could make a good living by selling supplies to the minersAt first, he planned to sell sewing supplies and cloth 3 When he heard miners complaining that their clothes were easily broken or they us
4、ually tore their pockets during mining, he decided to use a special fabric to make pants for the minersThese pants proved so popular that he quickly ran out of materials to make moreIn 1873, Strauss received a letter from a Jewish tailor named Jacob Davis who had invented a process of connecting poc
5、kets with copper rivets（铆钉）This made the pants last a long timeBecause Davis did not have the money to patent his idea, he offered to share it with Strauss if Strauss would agree to pay for the patent 4 The business has been growing ever since and Levi Strauss company is now one of the largest cloth
6、ing companies in the worldBy the time Strauss died in 1902, he had made a great contribution to American fashion 5 AAs a young boy, he moved with his family to the United StatesBNobody knew what kind of material was suitableCHe did and Levi jeans have been made with metal rivets ever sinceDHowever,
7、he did not get much business for those productsEHe also made a great contribution to Americas clothing industryFSince they were invented by Levi Strauss, they have become a symbol of American consumer cultureGAs the business grew, Strauss got much money from itBRecently some American scientists have
8、 given a useful piece of advice to people in industrialized nationsThey say people should eat more of the same kind of food eaten by humans living more than 10,000 years ago 1 The scientists say that the human life has changed greatlyOur bodies have not been able to deal with these changes in lifest
9、yle and this had led to new kinds of sicknesses 2 So they are called diseases of civilizationMany cancers and diseases of the blood system are examples of such diseases.Scientists noted that people in both the Old Stone Age and the New Stone Age enjoyed very little alcohol or tobacco, probably none
10、3 However, a change in food is one of the main differences between life in ancient times and that of today. Stone Age people hunted wild animals for their meat, which had much less fat than domestic onesThey ate a lot of fresh wild vegetables and fruitsThey did not have milk or any other dairy produ
11、cts, and they made very little use of grains 4 We eat six times more salt, sugar and fat than our ancestors without using our bodies more 5 But scientists say that we would be much healthier if we eat much the same way the ancient people did, cutting the amount of fatty, salty and sweet food.AStone
12、Age people lived a simple life.BBut today, we enjoy having a lot of these.CIn that case, they would live much healthier.DAncient people also got lots of physical exercise.EThese new sicknesses were not known in ancient times.FPeople today probably dont want to live like our ancestors.GModern people
13、used to suffer from diseases of civilization.CFor the rest of March, a disease will sweep across the US. It will keep kids home from school. 1 Employees will suddenly lose their ability to concentrate.The disease, known as “March Madness”, refers to the yearly 65-team US mens college basketball tour
14、nament. 2 Teams compete against each other in a single-elimination (单局淘汰) tournament that eventually crowns a national champion.Nearly 20 million Americans will find themselves prisoners of basketball festival madness. The fun comes partly from guessing the winners for every game. Friends compete ag
15、ainst friends. 3 Colleagues against bosses.Big-name schools are usually favored to advance into the tournament. But each year there are dark horses from little-known universities.This adds to the madness. Watching a team from a school with 3,000 students beat a team from a school with 30,000, for many Americans, is an exciting experience. Two years ago, the little-known George Mason University was one of the final four teams. 4 College basketball players are not paid, so the game is more about making a name for their university and themselves. 5 About $ 4 billion will be s
