1. Introduction的作用：
An introduction is crucial, not just for what it says about the topic, but for what it tells the reader about writer’s style and approach. Unless you can introduce the subject clearly the reader may not wish to continue.
For a relatively short essay written under exam conditions, the following are worth including, in this order.
a. Definitions of any terms in the title those are unclear
b. Some background information
c. Reference to other writers who have discussed this topic
d. Your purpose in writing and the importance of the subject
e. A summary of the main points you intend to cover
2.雅思大作文写作类型：
雅思task 2一共有两种类型，第一种为Argumentation, 第二种为Report。
Argumentation:
1)给出一种观点-------Do you agree or disagree?
Nowadays computer are widely used in education. As a result, some people think teachers no longer play important roles in classrooms.
To what extent do you agree or disagree?
2)给出两种对立的观点-------Discuss both views and give your own opinions.
Some people argue that there are no basic differences between the way men and women approach academic study. Others insist that there are big differences in areas such as organization, attitude and ambition.
Discuss both views and give your own opinion.
3)分析优缺点-------Do you think the advantages/ benefits outweigh its disadvantages/ problems?
Some people agree to adopt a new language (Such as English) that can be used by people all of the world for international communication.
Do you think the benefits of this would outweigh the problems?
Report:
给出一种现象1) Why?
2) Result?
3) Solution?
1,2或1,3
(1, 2) Nowadays, people always throw the old things away when they buy new things; whereas in the past, old things were repaired and used again. What factors cause this phenomenon? What effects the phenomenon leads to?
(1, 3) Many species of plants and animals are dying out. What are the causes of this trend? How can we prevent it?
3. How to write an introduction:
Argumentation:
1) 选立场
2) 改写题目+表明立场
表明立场的两种方式：1) 直接回答问题
2) 通过让步引出个人立场
Lectures were used in the past as an old way of teaching a large number of students. As new technology is now available for education, some people suggest that there is no justification for lectures. To what extent do you agree or disagree?
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Recent years have experienced a marked development on new technology used in education and people are focusing great attention on whether this technology can be substituted for lectures. Some people contend that new technology can replace lectures. From my point of view, I tend to disagree with this view.
Recent years have experienced a marked development on new technology used in education and people are focusing great attention on whether this technology can be substituted for lectures. Despite those who believe that there is no justification for lectures, in my position, I am convinced that lectures are still crucial in education while modern technology is also beneficial to some extent.
Report:
改写题目+一句话(In this essay, I will analyze问题A+问题B)
The quality of life in big cities is worsening. What do you think the reasons are? What can you suggest as a solution?
Today, the world’s biggest cities continue to expand in size as increasingly more people are choosing to migrate towards an urban lifestyle. Often the drawbacks of this phenomenon include the worsening of the overall quality of life found there. In this essay, I will analyze the factors and solutions of this phenomenon.
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