我们曾提及文章结构组织（structural organization）在英文写作中是非常重要的。Structural organization是指文章应包含introduction（引言）、body（supporting paragraphs）（主体）和conclusion（结论）三大部分；缺少任何一部分都会失分严重。三者中，introduction尤其重要，因为好的introduction会帮助考生在markers心中建立一个好印象。所以今期想与同学分享如何写introduction。
考试题目类型可以很不同，例如同学可能遇到argumentative essay、discursive essay、cause-and-effect essay或problem-solution essay等；但无论哪种题目，不妨运用以下pattern：
Acknowledging the existence of diverse opinions（不同意见）
Preview of the main points
Sample introduction：Rejecting the construction of an extra theme park
Owing to the recent influx of incoming tourists, the two theme parks have already reached the point of saturation. Observing the chaotic situation, representatives of the tourist industry urged that a new theme park be built to accommodate the ever growing number of tourists. Although an extra theme park no doubt can bring certain economic benefits, I have reservation towards the building of an additional amusement park because of the insufficient land supply, the further influx of overseas tourists, and the potential pollution and destruction of the environment caused by the building of an extra theme park.
Please write an introductory paragraph in response to the following question.
In what ways has online communication lowered students' language ability?
Online communication has undoubtedly brought many conveniences to our lives.（Background）While most people state that they cannot live without using any online communication device, others have noted that online communication has shaped our behaviors in a less than desirable way - ie online communication has led to a rapid decline of most people's language ability.（Different opinions）By online communication, it refers to all sorts of online channels, such as Facebook, Wechat, WhatsApp, online forum etc., that youngsters employ to connect with others. Indeed , the proliferation of online communication has retarded, rather than enhanced, our language ability（Thesis statement）in terms of our writing, listening and oral skills.（Preview of main points）