【正文】 ming the TopicLet39。 s e back to what I said in the first part of my speech.Getting back to the subject of the problem of theoretical considerations we can find that...I want to return to the first part of my presentation.Now, to get back to the effect of temperature, you may be aware that the problems have been solved.This brings me back to the question of security.At this point I would like to refer again to the question of methods in the first part of my lecture.Referring again to the first question, I think...Referring to the Coming PointI39。ll deal with it later.I39。 11 touch upon that point in a moment.I shall tell you in detail shortly.IV. Introducing the Supporting MaterialsI think this part is the most difficult, so I39。ll explain it in greater detail.I think this part of my paper is most important, so I plan to spend more time on it.Please allow me to deal with this matter more extensively.Being the most important part of my presentation, I will elaborate on it with more slides.I39。 11 expand this topic with drawings and figures.Indicating the Points BrieflyLimited by the time available, I can only give you a very brief account of this matter.I don39。t think that I should describe the methods in detail, because they are included in the handout.I will not go into detail on it.This point has been talked about repeatedly in this symposium, so I am not going to spend too much time on it.Let39。s go through the following points very rapidly.I just want to outline for you what I experienced in using this new drug.I shall not go over all these explanations. My time is running short. So I39?！?1 be brief.It is sufficient to say that these experiments were poorly designed and without controls.V. Repairing a Slip of ToneThe first of such experiments began in 2000, rather than 1999.May I have the lights, I mean the slides.The temperature increased, I shall say decreased.The population is 13 million, sorry, 31 million.The exchange rate dropped from to , I beg your pardon, .As you can see from the first row, excuse me, the second row, that the output increased two fold.VI. Expressions Concerning AudioVisual AidsCould we have the lights off? And the first slide, please.Lights off, first slide, please.Dim the lights, and first slide, please.The slide is not so clear. Please darken the room a little more.Could you please turn on the lights, please?Now, we can have the lights on.Please switch on the lights.Lights on, please.I apologize that this slide is not so clear, but I hope you can still make out the general idea.Sorry for the small print.I39。m sorry we left a figure out here.VI. Explaining the Contents on the SlidesThis slide demonstrates ...On this slide, you can see...This curve in this slide shows...This figure in this slide exhibits...This table on this slide presents...This diagram on this slide depicts...This chart on this slide displaces ...The picture on this slide shows ...The photomicrograph on this slide shows ...The flowchart on this slide points out...The circuit diagram on this slide represents~...~Indicating the Sources of the Content in aThis figure is taken from.., by Dr. Li.This diagram is after that of Prof. Wang with some modificationVII. Demanding to Show the Next SlideMay I proceed to the next slide, please?I think we can move on to the next slide.Let me show you the next slide.Now, we can go on to the next slide. 39。Next slide, please.Next, please.Next !做presentation，我們要注意對(duì)話題的準(zhǔn)備以及態(tài)度和身體語言等等，除此之外，我們還應(yīng)該掌握一些常用句型。1. Right, let39。s get started.2. Let me introduce myself.3. I39。ve divided my presentation into three main parts.4. Just to give you a brief overview.5. I39。ll be saying more about this in a minute.6. I39。m sure the implications of this are clear to all of us.7. There39。s an important point to be made here.8. OK, let39。s move on. (go on to make your next point)9. As you can see, the figures speak for themselves.10. To go back to what I was saying earlier.11. Are there any questions you39。d like to ask at this point?12. I39。d like to look at this in more detail.13. Let39。s put this into perspective. (to explain it this way)14. Perhaps I should expand on that a little.15. To digress for a moment? (to depart from your plan)16. So, to sum up?17. That brings me to the end of my talk.18. Thank you. I39。m sure you all have lots of questions.