The present study is designed to explore the relationship between types of task-based writing and linguistic features, to investigate the relationship between linguistic features and quality of second language writing, and to attempt to provide some tentative explanations for these different linguistic features and linguistic feature distribution in different types of task-based writing.

This paper introduces the theoretical basis of cooperative learning and task-base language teaching,and then it argues that a task-based cooperative learning model should be constructed to ensure the effective practice of cooperative learning in college English teaching.

Due to practical concerns of test security,different writing tasks are administered on different occasions by various examination boards.

The paper investigates the effects of different approaches of linguistic preparation on the development of learners interlanguage system in task\|based language instruction in terms of EFL writing task.

This paper provides a comprehensive review of reading-to-write task on the historical background,features,validation research and factors influencing students’ reading-to-write performance.

A formal description of a new authorization policy, the task-based authorization, is presented in this paper.