To cast doubt on, and express criticism of the Cultural Revolution is the commonly ideological characteristic of the underground writings of authors during the Cultural Revolution and to give full expression to their self-consciousness and inner most feelings and to realize the artistic transition of the extreme "leftists"speech is an important feature.

Improve Xinjang s writing intension of advertisement trade-mark to speed economy and society developing;

In recent years, formative assessment is used in many EFL writing classrooms to assist students’three writing processes: planning, drafting and reviewing (Flower & Hayes, 1981), so that students’written product can be improved.