[填空题]Have you ever been afraid to talk back when you were treated (47) Have you ever bought something just because the salesman talked you into it Are you afraid to ask someone for a date
Many people are afraid to assert (表现) themselves. Dr. Alberti thinks it’s because their self-respect is low. "Our whole (48) is designed to make people distrust themselves," says Alberti. "There’s always (49) around--a parent, a teacher, a boss--who ’knows better’. These superiors often gain when they chip (削弱) away at your self-image."
But Alberti and other scientists are doing something to help people. (50) themselves. They (51) "assertiveness training" courses--AT for short. In the AT courses people learn that they have a right to be themselves. They learn to speak out and feel good about doing so. They learn to be more (52) without hurting other people.
In one way, learning to speak out is to (53) fear.

Have you ever been afraid to talk back when you were treated unfairly Have you ever bought something just because the salesman talked you into it Are you afraid to ask a boy (girl) for a date
Many people are afraid to assert themselves (insist upon their own rights)．Dr．Robert Alberti, author of Stand Up’ Speak Out, and Talk Back, thinks it’s because their self-esteem (自尊) is low．"Our whole set-up makes people doubt themselves," says Alberti. "There’s always a ’superior’ around—a parent, a teacher, a boss—who ’knows better’．"
But Alberti and other scientists are doing something to help people to assert themselves. They offer "assertiveness training" courses (AT). In the AT courses people learn that they have a right to be themselves. They learn to speak out and feel good about doing so. They learn to be aggressive (敢闯的,有闯劲儿的)without hurting other people.
In one way, learning
A. some people are too easy-going
B. some people are too timid
C. there are too many superiors around us
D. some people dare not defend their own rights