'Shide(是的)' indicates five kinds of relationship between the previous and the followup of the sentence(paragraph):cohesion affirming,explanation,repetition and emphasis,extension in comments and disjunction predicating.In most cases,'Shide(是的)'is used to achieve the effects as:drawing close the distance between the author and the readers;implementing the result as being in real situation;deepening the theme as the goal;making the focus of di...