学习高一课程视频 名师针对课堂中的经典例题，为学生推送同类型题，帮助彻底掌握解题方法，在听课及课后练习中有不懂之处随时提问，24小时内为你答疑解惑。
演讲稿：
1. Ladies and gentlemen, I feel very much honored to have a chance here to make a speech on the subject -- A Balance Diet and Health.
2. Good morning everyone! Allow me, first of all, on behalf of all present here, to extend our warm welcome and cordial greeting to our distinguished guest.
图表：
1) From the figures/statistics given in the table it can be seen/noticed that……
2) From the graph/table/diagram/chart above，we can see that……obviously.
3) As show in the chart/by the graph……
4) Have you ever anticipated the prospects of……in the coming decades? Let us just take a look at the figures of……as shown in the graph above.
5) The gap between……and……will be further widened.
6) In face of increasingly serious shortage of energy，we should take effective measures/which of the measures we should take?
7) It is clear that the increase of percentage gets greater and greater.
8) By……，the number of……had less/more than doubled/tripled compared with that of……
9) 短语：made up about……/the figure amounted to/will rise to/will reach/will double that/will tripled that...
