填空题

The nineteen twenties brought a feeling of freedom and independence to millions of Americans, especially young Americans. Young soldiers returned from the world war with new ideas. They had seen a (38) world in Europe. Many of these young soldiers were not (39) to quietly accept the old traditions of their families and villages when they returned home. (40) , they wanted to try new ways of living. Many young Americans, both men and women, began to (41) some of the traditions of their parents and grandparents. For example, some young women began to (42) with new kinds of clothes. Many young women began to smoke (43) , too. Many women also began to drink alcohol with men in public for the first time. And they listened together to a (44) new kind of music: jazz. An important force behind these changes was the growing independence of American women. In nineteen twenty, the nation passed the Nineteenth Amendment to the (45) , which gave women the right to vote. (46) .
Also, new machines freed many of them from spending long hours of work in the home washing clothes, preparing food, and doing other jobs. Education was another important force. The number of students attending high school doubled between nineteen twenty and nineteen thirty. (47) Attendance at colleges and universities also increased greatly. (48)