1. (2022·牡丹模拟) 阅读下面短文，完成相关任务。

Su Yiming received a very special letter from Chinese President Xi Jinping on Feb. 24th, 2022. Who is Su Yiming? What did President Xi say to him?

Su is a snowboarder (单板滑雪运动员). On Feb. 17th, he got the gold medal at the 2022 Beijing Winter Olympics. When Su got the medal, he was really excited. The next day would be his 18th birthday. He thought the medal was the best gift for his birthday. But the person that he wanted to thank the most was President Xi.

He couldn't wait to write a letter to President Xi. In the letter, he said "I really want to thank you and our great motherland from the bottom of my heart. " Su also said he would keep working hard and work for the nation. Su remembered that Xi met with him at the National Winter Sports Training Center in 2019. At that time, Xi encouraged him to show the new generation (一代人) of Chinese youth on the world stage.

In the reply from President Xi, Xi congratulated Su and other athletes on their excellent achievements at the Beijing Winter Olympics. Xi said that the new era(时代) is the era of dream chasers (追逐者). It is the time for young people to realize their dreams. He hoped that young Chinese people always keep the motherland in their hearts, aim high and stay grounded (脚踏实地的).

"I was surprised and excited when I got the reply from President Xi. The letter will encourage me to work even harder in the future." Su noted.

1. （1） When is Su Yiming's birthday?
3. （2） What was President Xi's hope for Chinese young people in the reply?
5. （3） How did Su Yiming feel when receiving Xi's reply?
7. （4） 请把文章中划线的句子翻译成汉语。
9. （5） 请给文章拟一个合适的题目。