题目内容：

Look in the bedroom of teenagers throughout the world and you’ll   1.    (probable) find a pair of blue jeans. Their popularity has spread across nations and cultures. Levi Strauss, the American company that first introduced us to the wonder of blue jeans, celebrated    2.    150^th birthday last week. The company

   3.    (found) in 1853 by 24-year-old Levi Strauss. Twenty years later, he made   4.    first pair of blue jeans and, in doing so, created work pants    5.   the cowboys of the wild American West. Men    6.    rushed to California to find gold in the middle of the 19^th century started to wear the jeans    7.    (make) by Levi Strauss. American troops    8.    (fight) in World WarⅡ brought Levi’s jeans to Europe and Asia. Now   9.    have been an international symbol of being cool for more than a century. Blue jeans have attracted people’s attention with their   10.    (fashion) designs, naturalness, and changeable styles.