教学是艺术，是科学，是艺术就应该有创新，是科学就要实事求是。经过多年摸索，我认为课堂教学中一般应突出六个特性：起始性、突出性、及时性、联想性、简化性、序化性。现就生物课堂教学中运用“六性”的问题，谈一点体会。一、起始性课堂教学要讲究起始的艺术，开头要有点 Teaching is an art, a science, an art, an innovation, and a science, seeking truth from facts. After many years of groping, I think that classroom teaching should generally highlight six characteristics: initiality, prominence, timeliness, association, simplification, and orderliness. Now I’ll talk about the use of “six sexes” in biological classroom teaching. First, the initial classroom teaching should pay attention to the beginning of art, the beginning should be a bit