【答案解析】参考范文
Dear Jack,
I"m so glad to receive your congratulation. Thank you so much. With regard to your inquiry about translation, I"d like to give you some personal advice.
To begin with, reading some academic works on translation will help you have a better understanding of translation and relevant skills. Next, enhancing your language competences enables you to translate more accurately and easily. Last but not least, it is beneficial to practice translating as much as you can. Just as the old saying goes, "Practice makes perfect." I"m sure you"ll make much progress as long as you devote enough time and energy to it.
Please contact me if you have further questions. Thank you again for your congratulation.
Yours sincerely,
Li Ming
[解析] 题目要求给好友Jack回复一封邮件，对其祝贺自己通过翻译考试表示感谢，并且就其询问的翻译问题提出自己的建议。行文时，内容可以分为三部分：首先真诚地表达对Jack的感谢，然后给出几条翻译方面的建议，最后收尾，指出如果还有疑问的话，欢迎再联系。总的来说，本篇作文可以看作是感谢信和建议信的结合，写作时要力求内容完整，语言简洁，格式规范。