Plants coordinate their development using long-distance signaling. The vascular system provides a route for long-distance movement, and specifically the xylem for root-to-shoot signaling. Root-to-shoo
摘要:本文应用会话分析的方法探讨了英语会话中他人修补的两种手段——他启自补和他启他补的形式和功能,并结合大量实例分析了他人修补启动词的分类模式。本文认为,英语会话中他人修补在会话序列中就促进交际双方意义协商(negotiation of meaning)和解决主体间性问题(problem of intersubjectivity)上具有重要的功能。本文最后简要分析了会话分析框架下他人修补对二语教学
Abstract:Foreign languages teaching aims at cultivating students with both communication abilities and knowledge about different cultures.Thus the introduction of differences between cultures plays a