1．重点单词：gentleman，graduation，ceremony，congratulate，thirsty，thankful，lastly，task，ahead，responsible，separate，wing
2．重点短语：first of all，be thirsty for，be thankful to sb.，ahead of，along with，be responsible for，set out，separate from
3．重点句式：
First of all，I'd like to congratulate all the students who are here today.
I hope you'll remember the important people in your lives who helped and supported you.
The key is to learn from your mistakes and never give up.
Along with difficulties，there will also be many exciting things waiting for you.
As you set out on your new journey, you shouldn't forget where you came from.
