求英语演讲的 套路开头和结尾，谢谢，急

goog morning/afternoon/evening,everyone:/honorable judes,ladies and gentlemen:
I'm honored to have such an opportunuty to stand here to deliver a speech to you./It's a great honor for me to stand here to deliver a speech to you.
至于结尾，可以随便一点，有气势就行啦。别忘说thank you.呵呵