音频一： Jody Hubbard is a diet and nutrition expert who travels around the state to speak in middle and high schools. She primarily speaks to students in health classes, but sometimes the school will arrange for her to speak to several different groups of girls. Her biggest concern is the emphasis American culture places on thinness and the negative way that affects girls today. 音频二： She shows them pictures and images from popular culture of beautiful women and explains how computers are used to make the women look even more thin and "beautiful" than they are in real life. 重点词汇： 1, diet ['daɪət] n.日常饮食；节食 2, nutrition [njuː'trɪʃən] n.营养(作用)；滋养；营养学 3, state [steɪt] n.州；国家；状况 4, primarily ['praɪm(ə)rɪlɪ] adv.主要地 primary /'praɪməri/ adj. 首要的，主要的 5, arrange [əˈreɪndʒ] v.安排，筹划 6, concern [kən'sɜːn] n. ...