教材的语言是书面语，教师讲课是口头语，二者不尽一致。口头语可以随便一些，允许适当重复；声调要有节奏，抑扬顿挫；吐字要清晰，明白流畅；尽可能通俗化，深入浅出等等。但总体来说，说和写还是应该统一起来的。为此，这里我想着重谈一谈历史教师口头言语的特点。　　第一 Teaching language is written language, teacher lectures are spoken language, the two are not the same. Oral language can be any number, allowing appropriate repetition; tone should be rhythmic, cadence; spit words should be clear and smooth; as far as possible popularization, explain profound theories in simple language and so on. But overall speaking and writing should be unified. To this end, I would like to focus here on the history of teachers verbal characteristics. the first