Tell which 2 sentences of the following 5 of Para. 3 are its topic sentences. 判断第三段的5个句子中哪两个是本段的主题句。是主题句的选择“正确”;非主题句的选择“错误”。 para.3 1 Negative attitude s toward fat people begin in childhood. 2 One study showed that, as early as nursery school, children liked pictures of disabled children of similar ages better than those of fat children. 3 Similarly, a study of college students said they would rather marry a drug user , a thief, or a blind person than someone who was fat. 4 These attitudes create discrimination that affects fat people in every aspect of their lives, including money matters. 5 In fact, overweight, white women usually earn less than thin, white women—24 percent less, according to one study. 1 Negative attitude s toward fat people begin in childhood. ( )