假定你是李華，你們班計劃在下周五舉行一次關于"Why Health is Important"的英語演講比賽。并且邀請你班的外教Green先生做評委。請你給他寫封郵件，內容包括：
1.比賽時間、地點：
2.參加此次活動意義；
3.期待回復。
注意：
1.詞數100詞左右：
2.可適當增加內容，以使行文連貫。

【考點】提綱作文；計劃愿望．

【答案】Dear Green，
It is with the greatest pleasure that I write to invite you to our English speech contest as a judge.Next I will introduce to you some information about the speech.
Firstly，aiming at improving our ability in spoken English and improving our awareness of keeping healthy，our English speech contest will be held in the third lecture hall next Friday.Secondly，it will begin at 6 p.m.jye.ai last for three hours，which we think is appropriate for us students.Finally，the topic is "Why Health is Important"，which you are expert at.We believe it's our best choice to invite you here.
We will be grateful if you can present the contest and act as a judge，and we hope you can accept the invitation with our heartfelt sincerity.
I am looking forward to your early reply.
Yours sincerely，
Li Hua