(1) intuition. The most obvious feature of body language in classroom teaching is intuition, specifically visual intuition.
② Ambiguity. Because there are no definite words or sentences in body language (except artificial sign language such as deaf-mute sign language), the information conveyed cannot be as accurate as spoken language, and usually only has a wide range of meanings.
(3) sensitivity. The general students' perception and understanding of teachers' body language is more sensitive than teachers' oral language, because the former is visual information and the latter is auditory information, the former is concrete information and the latter is symbolic information.
(4) auxiliary. Body language in classroom teaching is an auxiliary language of oral English in classroom teaching.