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.

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.

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.

From the perspective of cognition,this paper discusses and analyzes the cognitive basis,training and significance of second language learning strategy featuring combination of reading and writing,and improving writing through reading,elaborates that the collaboration between reading and writing constitutes the input and output process of information processing.

To improve actual effect of Reading Teaching in primary school,it should make purpose of Chinese teaching and the task clearly in primary school,display charm of Chinese , embody combination of reading and writing.