○  英语演讲教程:引入话题  ○

ii. introducing the subject and the outline of the presentation引入话题
background information
 i would like to start by briefly reviewing the history of open heart surgery.

 let us start with the theoretical basis of this new technique.

 to begin with, we have to consider the principle.

 i think it would be best to start out by looking at a few slides.

 i should like to preface my remarks with a description of the basic idea.

 may i begin with a general outline of this project?

 the first thing i would like to talk about is the definition of the terms i shall use in my lecture.

 the first point i'd like to make is the historical background of the invention.

 first, i shall explain to you why this new program is correct and feasible.

topic
 i would like to concentrate on theproblem of antibiotic abuse in hospitals.

i shall devote my talk to the surgical treatment of coronary disease.

i want to confine my talk to the latest developments in civil engineering.

today, i am going to give a talk on the application of computers in medicine.

my topic today will deal with the observation of supernova.

in today's talk, i' 11 restrict myself to the etiology of 15-epa~i;s.

in my presentation this morning, i' 11 limit myself to three major points only.

i take the liberty of restricting my discussion mainly to highway bridge construction.

now, i would like to address myself to the most important aspect of this problem.

among the many languages, i shall mention only basic.

what i am going to present today is the methodology and the data analysis.

i'm not going to say much about that except to discuss the literature on that topic.

outlining
my talk today consists of two parts. one is... and the other is...

i've divided my presentation into four parts.

i shall first talk about ... a

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