[解析]
Having thought for a while,Grace still refused my offer.She insisted that she didn't want to be a burden to anyone and preferred to enjoy the beauty of nature from a distance.【高分句型一】Despite her refusal,I didn't give up easily.I shared with her the joy and camaraderie we experienced on the mountain and how it had brought our community closer together.Finally,she seemed to soften a bit and agreed to join us on a future trip,albeit as a spectator.(在作者一行人的说服下,Grace最终同意以观众的身份加入我们)
On the downhill path,Grace asked me why not run for the SU election.She believed that my enthusiasm and leadership skills would be an asset to the student body.Encouraged by her words,I decided to throw my hat into the ring.With the support of my frisbee community and Grace's encouragement,I ran for the SU presidency and won.My political career in the SU began with a simple game of frisbee and a chance encounter with Grace,who taught me the importance of perseverance and community.【高分句型二】(作者在Grace的鼓励下,参加了学生会的选举并取得了成功)