填空题Gestalt psychologists once focused their research on the relationship between ______ and whole in people s perceptual experience.
填空题The Natural Approach ignores many factors ______ in second language course design.
填空题The famous American psychologist Brunner emphasizes active ______ of knowledge through experience with the environment.
填空题In the first century B. C. Dianysius Thrax wrote a book of Greek ______.
填空题Krashen s affective filter hypothesis attempts to explain the variation in ______ of language acquisition among individuals of the same group.