虽然目前现代化教学手段日新月异,但在课堂上,能贯穿始终的,最常用的手段仍莫过于师生间语言的交流。“工欲善其事,必先利其器”要想追求高效课堂,必须讲究讲课的语言艺术。 Although modern teaching methods are changing with each passing day, the most common means that can be used throughout the classroom is still the language exchange between teachers and students. In order to pursue an efficient classroom, we must pay attention to the language arts of lectures.