听力原文： The woman's liberation movement has become an important social movement throughout much of the world today. In the past few decades, it has become one of the most important social movements in the US. Women have been fighting for equal tights hi the U.S. since early 1900s, but it was really in the 1960s and 70s that women began to gain equal fights and treatment in the fields of politics, education, employment, and the home. As for tile field of politics, today's politicians are well aware that women have become a powerful political force in the country. One of the reasons for this is that there are about 70 million women of voting age. There are, in fact, 7 million mom women of voting age than there are men of voting age in the U.S. today. As far as the field of employment is concerned, about 42 percent of the entire American work force today is made up of women there are 38.8 million women workers. In contrast, back in 1900, only 20 percent of the country's work force was made of women. This seems to indicate that greater numbers of today's women are managing to combine careers outside file home with file traditional roles of wife, mother, and homemaker. Years ago, you see, it wins customary for women to work outside the home only until they got married or until they had children. Nowadays, many women are continuing to work after they marry, and even after they have had children. (33)