The ability to raises student 's criticalness thought .
培养学生的批评性思维能力。
They personalize their multiple works with their own style and sensation by sensitivities and criticalness of their own .
他们以自身的敏锐和批判性，带来了各自风格和观感的多维作品。
The research is conducted by questionnaire survey and it is found that the communication , criticalness , and the subject multiplication in the blogs are significantly correlated . In the other hand , the requirement from the company and self-present are only related to diversified blog topics .
Based on the teaching subjectivity reflection model the autor summarizes it have the following characteristics : independency , practicality , criticalness , effectiveness , interactive , democratic equivalent , zetetic , foresightedness , innovation and expansibility and so on . The third part : investigation and study .
