你是校报英语版编辑Jack Smith，主要负责“你问我答”专栏，请就中学生李华的来信作答，给出适当建议。
Dear Mr. Smith,
I’m a Senior 3 student. I have to take English exams every two weeks. But the results are always discouraging in spite of my great efforts. I don't know why. I 'm afraid something is wrong with my English learning method. What’s worse, before each exam, I'm always feeling nervous and cannot sleep well. Could you give me some suggestions?
Li Hua
注意：
针对提出问题，给出信息完整的建议；
适当增加细节，以使行文连贯；
词数：100左右。开头与结尾已为你写好，不计入总词数。
Dear Li Hua,
I’ve just got your letter and I know learning a foreign language can be challenging for some people.
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Sincerely yours,
Jack Smith
One possible version：
Dear Li Hua,
I’ve just got your letter and I know learning a foreign language can be challenging for some people. However, there are many things you can do to overcome these difficulties.
Firstly, obtain as large a vocabulary as possible. It is a good habit to do some reading every day and remember some typical sentences. Practice makes perfect. Therefore, doing enough exercises can definitely improve your listening and writing. In this way you are sure to improve your English.
As for examination anxiety, it’s unnecessary for you to work too late before the exam. Instead, you’d better go to bed earlier than usual, otherwise you would feel tired the next day. It is also suggested that a jug of milk may help you get a sound sleep.
In addition, consult your teachers if necessary.
I do hope my advice is helpful to you.
Sincerely yours,
Jack Smith
题目分析：动笔前，一定要认真阅读原文，并理解内容。认真看清题目要求，不能遗漏要点，跑题偏题。作文要层次清晰，要点全面，表达流畅，切合作文要求，句子结构准确，信息内容完整，篇章结构连贯。文中使用一些极佳的词语和句子为文章增色，使用高级词汇及句型。英语写作是一种创作性的学习过程。启动知识信息储存，构思立意，谋篇布局，遣词造句，对语言表达的正确性和准确性、思维的逻辑性和文章的条理性都比口语要求更高。先审题，弄清写作要求，审题是写好作文的前提，理清思路，确定体裁、框架结构和内容。提醒考生注意时态及语态的使用。
【亮点说明】文中使用了非常好的短语和句子为文章增色不少，比如. overcome these difficulties.；It is a good habit to do some reading every day；Practice makes perfect..；it’s unnecessary for you to work too late before the exam.还运用了if引导的从句等。并注意了句子的衔接如：However，Firstly, Instead ，In addition等等。