12. 侯赵平
开场白：
-i am delighted/pleased/glad to have the opportunity to present/of making this presentation... -i am grateful for the opportunity to present...
-id like to thank you for inviting/asking me/giving me the chance to...
结束语：
-stay hungry. stay foolish. thank you all very much.
-ok, thank you for listening, thats all.
-thats it. we have known several habits which could be really amazing if you do them from now on. and... believe me...i am not fooling you, never! all right, now its （下一个同学的名字或老师) time. thank you everyone!
13. 何鹏
开场白：
-good morning，ladies and gentlemen. the main ideas of my presentation are as follow:...
-mr. chairman, thank you for introducing me to everyone here. it’s my honor to show my research results...
-thank you, mr. chairman. the meeting is excellent, and i am very glad here. my presentation include the following
结束语：
-that’s all! thank you for your attention.
-as an end, my presentation is over. thank you!
-th at’s all! thank you all!
14. 严柏平
开场白：
-good morning/afternoon/evening ladies and gentleman
-the purpose of this plenary session is to...
-i am delighted/pleased/glad to have the opportunity to present/of making this presentation… 结束语：
-i hope ive managed to give you a clearer picture of...
-if there are any questions, id be delighted to...
15. 张伟
开场白：
-ladies and gentlemen, today i will talk about....
-hello everybody, my name is zhangwei, now we will discuss...