Chapter One Introduction
1.1 The definition of public speaking
As we know, there are fivekinds of communication: interpersonal communication, public speaking, small groupcommunication, intrapersonal communication and mass communication. Of all thesecommunications, public speaking is especially important with the integration of worldeconomy. The successful business speech can achieve the lecturer’s purpose, but theunsuccessful one can leave bad impression on the audiences. The excellent lecturer not onlyhas great personal charm, but also can help improve his company's popularity at home andabroad.Any form of communication includes these elements as followed: ( Ma, 1998)Source- the person who initiates the communication;Receiver- the person who gets the information or message sent by the source;Message- the information sent by the source to the receiver;Response- the feedback the receiver sends to the source when receiving the messagefrom the source;Context- the setting where communication takes place.The process of communication is dynamic and interactive. So, the five elements areinalienable. Besides, people from different countries, although they use the same words, arehard to understand each other because of the different contexts. From this, we can see thatculture is also one of the elements that are indispensable in the course of communication.As topublic speaking, there are counterparts for each of the elements of communication (Ma, 1998)
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1.2 The classification of business presentation
Training presentation is a kind of speech in the form of giving lessons.The aim of persuasive speech is to create, intensify or change people's points of view oractions. It has the function of persuasion and is a kind of widely used business speech. It ismade up of sales presentations and proposals. However, there is no absolute and explicit boundary between persuasive and informativespeaking; at most time, they co-exist and complement each other, especially in businesssettings. Maybe the former part of a business speech is informative, while the latter part ispersuasive, some presentations use informative speech and persuasive speech alternatively.How to make your speech impressive and successful? Not only the speaking skills weshould pay attention to, but also the selected words and rhetoric are essential for a successfulspeech. Appropriate expression of ideas can help the audience better understand the subjectabout which they have no information before.Effective languages are intelligible, so the words used should be simple, brief and clear.Ehninger et.al. (1982) states the characteristics of language in successful public speeches are:accuracy, appropriateness, simplicity and coherence in his book Principles and Types of Speechcommunication. The techniques of presentations are also essential to an effective speech,proper voice, posture, eye contact and gestures can reinforce the audience's recognition.
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Chapter Two Theoretical Framework
2.1 An overview on systemic-functional grammar
In the 1960s, M.A.K. Halliday started making a research on language’s social functionsfrom the study of systemic theory. During the 1970s, he put forwards his theory ‘Language associal semiotic’. This theory focused on paradigmatic relationship and developed intofunctional grammar in the 1980s.Halliday considers language as s，英语论文网站，英语毕业论文
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