Blue jeans are probably the single most representative article of American clothing．They were originally 26 by Jacob Davis，a tailor from Nevada， 27 ，together with dry-goods sales man Levi Strauss，patented the idea as 28 clothing for miners in l873．Blue jeaRs，also 29 as work clothing，spread among workers of all kinds in the late l9th and early 20th centuries， 30 among cowboys，farmers，loggers，and railroad workers．During the 1950s， 31 Marion Brando and James Dean made blue jeaRs 32 by wearing them in movies，and jeans be。came part of the 33 of teenagers’rebelling．In the l960s and 1970s，this fashion statement exploded as LevI’s 34 a fundamental part of the youth 35 focused on both civil rights and antiwar protests． 36 the late1970s，almost everyone in the United States wore blue jear, 37 youths all around the world sought after them． 38 designers began to create more complicated 39 of blue jeaRs and to 40 their fit，jeaRs began to express the American emphasis 41 informality and the importance of detail．By stressing the right label and 42 the right look，blue jeans， 43 their worker origins，satirically。represented the status consciousness of American fashion and the 44 to get close to the 45 fashion．In 1971，Levi Strauss＆Co．received the Coty Fashion Critics’Award，the highest award of the American fashion industry． 回答下列各题：