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Secondly, the research, from the perspectives of Ecology, Educational Ecology is intended tocreatively construct and effectively apply the ecological classroom mode, further explicate dynamicinteractions among various ecological writing elements, and eventually make enormous strides in theestablishment of the new normal for English writing instruction in senior high school.

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Chapter II Literature Review

2.1 Ecological Classroom

First Educational Ecology was put forward by naturalist Henry David Thoreau in 1858 and laterdefined by German biologist Ernst Haeckel in 1866, ecology is a new field of science studying theoverall relationship between biology and its surroundings, be it organic or inorganic (Wu&Zhu,1998:2). It was not until in the early 20th century that basic principles of ecology had becomesystematic, been acknowledged by scholars and applied to studies on social science, motivating theestablishment of Human Ecology, Social Ecology, Ethical Ecology, Cultural Ecology, PSychologicalEcology and so on. In 1976, the dean of Columbia University Normal College, Lawrence, Creminproposed the concept of “educational ecology” in Public Education, suggesting that different kinds ofeducational factors constituted an ecosystem and the correlation within those educational factors aswell as their relationship with the whole society can be analyzed from systematic and associatedperspectives of ecology. As for Cremin(1976), educational ecology is a set of theories that guides theexploration of the interrelationship between different parts within educational system and relationsbetween education and its surroundings.

With the rapid development of educational ecology, researchers increasingly pay attention to itsstudies of micro-aspect, namely, the ecology of classroom, From the microscopic perspective ofeducational ecology, a classroom can be considered as a micro-ecosystem which is composed ofvarious ecological factors such as student, teacher, class environment, teaching material, teachingactivity, etc., and involves various links or interaction between those ecological subjects andecological environments of a classroom, equipping the classroom with dual traits of natural andcultural ecology (Huang&Chen, 2010:12).

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2.2 Research on English writing

Writing is an effective way to reflect objective things, express thoughts and feelings and carryout interpersonal communication with the help of written language such as language, symbol and soon. It is the thinking process of the creative mental activity of transferring knowledge andinformation. Besides, writing is a dynamic process that does fit easily into course plans or textbooks.It is both process and result. ( Richard & Dawn, 1989). Only with higher writing ability can modernpeople calmly deal with all kinds of problems in daily work and life.

2.2.1 The definition of writing ability

Writing ability refers to the ability to use one's own language to reserve knowledge and theability to select, extract, process and transform the described objects. Bereiter(1987) thinks that thewriting ability in本论文由英语论文网提供整理，提供论文代写，英语论文代写，代写论文，代写英语论文，代写留学生论文，代写英文论文，留学生论文代写相关核心关键词搜索。