2017届高考英语书面表达感谢信写作讲义

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感谢信高中英语作文写作指导PPT课件

the tourist attrnactions, which mademyfamiLies felt satisfied and had a goed time. Last but not least,I will recommend the travel agency切: my friends as工thinkit's bryiWiant .
感谢信高中英语作文写作指导
细述
细述并赞赏对方给与的帮助常用句式，It was ice/kind/thoughtful (考虑周到的) of you to..
01
赞赏
Thank you very much for your kind hospitality (n.好客，热情招待)
02
感谢信高中英语作文写作指导
再次感谢你的帮助，我们盼望着你再次回到中国。Thank you for your kindness again and we arelooking. forward to your visiting China again
感谢信高中英语作文写作指导
考虑周到
It was nice/kind/thoughtful
1
再次阐述谢意并表达回报愿望。 Thanks again for your generous help.
2
My true gratitude is beyond the word's description.My true gratitude is beyond any words.
3
Words fail to express my gratitude deep in my heart.,Please accept my sincere thanks for your help, whichI will never forget.

高中英语作文—感谢信写作格式及范文PPT课件

• 第三段：再次阐述谢意并表达回报愿望。 • 常用句式
• Thanks again for your generous help. • I appreciate it more than I can say. • Please accept my sincere thanks for your help, which I will never forget.
THANK
YOU
SUCCESS
2019/4/22
Dear Mr. Brown，我写这封信是为了表达我最深厚的感激之情 for the money and books you sent me. 如果没有您的帮助我不可能回到学校. Thank you so much. 我一直很努力学习 since I went back to school. 在老师的帮助下我取得了很大的进步. They often praise me and encourage me. 要不是您
【句式结构】(pair work) 1．我写这封信是代表全班表达对你的感谢。 to express our thanks I’m writing this letter ______________________ to behalf of the class youon ________________________ 。 2．上学期，我们在英语方面取得了很大的进步由于你的帮助。 During last term _______________ ， you helped us a lot in our English somade _____________________with English study. We great progress 3．此外，我们许多同学都很感谢你给我们捐赠的英语书。 What`s more __________________ , all our classmates are very thankful to you for donating ______________________ English books . 4．我们享受你和我们呆在一起的快乐时光。 We enjoyed ________________ when you stayed here the great time

高考英语复习感谢信常用句式和常用句型结构讲义

高考英语感谢信常用句式和句型结构一、常用句式第一段：表达感谢之情并说明原因：【常用句式】I am writing this letter to thank you for …I am writing to express my sincere thanks for...I would like to convey in this letter my heartfelt (adj.衷心的) thanks to you for…With deepest gratitude I write you this letter to express…I am writing this letter because I am indebted to you for …I am obliged(adj.感激的) to you for/I owe you a great deal for ...…I haven't seen you for a long time since we parted last time and I miss you very much.Thank you very much for...第二段：细述并赞赏对方给与的帮助：【常用句式】It was nice/kind/thoughtful (adj.考虑周到的) of you to..Thank you very much for your kind hospitality (n.好客, 热情招待) and the honor you showed me during my visit…It was your kind he lp that … (强调句型)If it had not been for your (help/guidance/ assis tance), I wouldn’t have (won the prize)(虚拟语气)=But for/Without your help, I wouldn't have done…第三段：再次阐述谢意并表达回报愿望：【常用句式】Thanks again for your generous help.I appreciate it more than I can say.My true gratitude is beyond the word’s description.I feel deeply indebt ed to you and I really do not know how to thank you enough for your help.Please accept my sincere thanks for your help, which I will never forget.Nothing could ever return the favor you gave me.二、常用句型结构（一）1.thank sb.for sth./doing sth. 因某事而感激某人2.be grateful to sb.for sth. 因某事而感激某人3.show/express/extend/convey my sincere thanks/gratitude to sb.for sth. 向某人表达我诚挚的谢意4.in trouble 陷入困境5.make great／good progress 取得很大的进步6.in/during/over the past/last four years 过去四年7.be admitted to/into a university 被一所大学录取8.say thanks to you for helping me 谢谢你帮助我9.How time flies! 时间过得真快！10．As time goes on/goes by/with time going on/going by 随着时间的推移11.thanks to/owing to/because of your help 多亏了你的帮助12.enjoy myself 玩得高兴13.pay a visit to. 去参观，拜访14.have a better understanding of… 对……有更好的理解15.a place of interest 名胜（二）1.My true gratitude is beyond any words/description.任何语言都无法表达我真挚的谢意。

(五)高考英语应用文写作--感谢信

高考英语应用文写作--感谢信第一段：背景+目的背景：Recently ...目的：1.I’m writing to express my Sincere gratitude to you for ...2.I am writing to convey my gratitude to you for...3.I would like to take the opportunity to express my appreciation for your timely help and assistance.4. My true gratitude is beyond any words/description.5.On behalf of...I would like to extend my sincere gratitude to you for...第二段:正文:对方做了什么+起了什么作用+赞扬对方First of all...Additionally.....What’s more,we will... it is...which...1.It was nice kind of you to...2. If it had not been for your help, I wouldn't have...3.On the one hand，the help/advice you gave me made ... On the other hand, it helps me know how to do... well4.It was your generous help that enabled me to have a better understanding of...5.Thanks to your generous/ selfless/ kind help, without which I wouldn’t have made such great progress.6.with your useful and helpful help/advice ,I' ve got good time in my life.7. I am so proud of having such a generous friend as you, and I will always be there as long as you need.8.I wish there were a better word than “thanks” to express my appreciation for your generous help.第三段:结语:对对方表示再次的感谢及期助对方的回信并表达祝愿1.I sincerely express my thanks to you for your help/advice again.2. I must thank you again for your generous help.3. From what you did I learn that helping others is a traditional virtue, so I’ll keep it up.4. Please accept my heartfelt appreciation again, I’m eagerly expecting our next meeting.5.I’m looking forward to hearing from you.【小试牛刀】假定你是李华，你所在的山西国际学校要征集一封英文感谢信，以致意奋战在抗击新型冠状病毒肺炎第一线的医护人员，请你根据下列要点写一封信用于投稿。

人教版高中英语感谢信写作技巧课件(共13张PPT)

Yours sincerely, Li Hua
人教版高中英语感谢信写作技巧课件（共13 张PPT）
假如你是李华，在伦敦游玩期间你的英国朋友Anne招待了你。请你给她写封信，表示感谢。要点如下： 1. 简述你的伦敦之行； 2. 感谢她的招待； 3. 邀请她来北京旅游。
人教版高中英语感谢信写作技巧课件（共13 张PPT）
人教版高中英语感谢信写作技巧课语感谢信写作技巧课件（共13 张PPT）
假设你是红星中学高三(1)班学生李华，请根据以下内容在校刊上发表一封感谢信，表达你对因病耽误上学而得到老师和同学们帮助的感谢。 1. 上周你因发烧在家休息一周； 2. 休息期间老师、同学打电话、发短信问候你； 3. 本周上学后同学主动借笔记给你，老师利用休息时间给你补课； 4. 在刚进行的月考中你取得了满意的成绩； 5. 对老师和同学表示感谢。
Thanks again for your kind help and I will be more than pleased to have the opportunity to repay your kindness by showing you around Beijing.
Yours, Li Hua
support. 5. I’d like to convey in this letter my heartfelt thanks to you for your selfless help. 6. On behalf of..., I’d like to extend my sincere gratitude for your help.
miss you and are very grateful for what you did for us. We are busy as usual. We had an English speech contest the other day. I won the first prize!

高中英语高考书面表达---感谢信课件

开头
•How are you? I am Li Hua, one of the students who lived in your home. Today I am writing to express my thanks to you for your great help.
正文
正文
I am now a freshman of Wuhan University, which I have been dreamed about it.
正文
1.When(once)..., you….(当(曾经)......时，你......)
when I had difficulties in learning Math , you gave me so much advice with patience. 当我学数学有困难的时候，你耐心地给了我很多建议.
Thanks to your help, I overcame the difficulty. 多亏于你的帮忙，我才能克服困难。
正文
3.If it were not for your help, I would not have succeeded in…要不是你的帮忙，我不会在...取得成功。
I still remember the days when ......我仍然记得...... 那些日子
I still remember the days when you taught me English. 我依然记得你教我英语的那些日子。
正文
2.Because of your patience and encouragement,
结尾
结尾 3、再次致谢，表示祝愿或发出邀请。

高考英语作文感谢信感谢父母

高考英语作文感谢信感谢父母如下：Title：A Letter of Gratitude to My ParentsDear Mom and Dad,As I sit down to pen this letter, I am flooded with emotions too profound to be contained within the mere strokes of a pen. The journey of a thousand miles begins with a single step, and today, as I draw imminently close to my own personal marathon - the college entrance examination, I cannot help but reflect on the path that has led me here. At the heart of this odyssey are you, my beloved parents.In the vast expanse of data and statistics that attempt to measure success, there is an indefinable intangible: the unwavering support and sacrifices of parents. Your dedication has been a formidable force propelling me forward, a fact more potent than any statistic could ever convey.Throughout my academic pursuit, you have provided more than just the necessary resources; you have given me the strength to face challenges and the courage to dream. You were the architects of the blueprint I have followed, crafting an environment where learning was cherished, and ambition was cultivated. According to a survey by the National Bureau of Statistics, over 85% of students who achieve exceptional results attribute their success to parental involvement similar to what I have experienced.Your commitment to my education has transcended the boundaries of duty and love, entering the realm of art. It is artfully woven into the fabric of my daily life - in the morning cups of tea that gently wake me to the first rays of dawn, in the evening meals rich with conversation about the day's lessons, and in the silent hugs that speak volumes of reassurance and belief.The professional jargon often speaks of 'return on investment'. However, such a crass term fails to encapsulate the essence of your investment in me. For it is not merely an act of providing; it is an offering of hearts and dreams, an alchemy that transformsordinary days into milestones of progress.Your teachings extend beyond academics, touching upon the virtues of integrity, resilience, and kindness. In doing so, you have not only equipped me with knowledge but also imbued me with values that will navigate me through life's labyrinths. This holistic approach to education is echoed in the words of the ancient Greek philosopher Plato, who posited that the ultimate aim of education is to "teach students to see the valuable in themselves."Today, as the final countdown to the college entrance examination commences, I stand on the precipice of a new chapter, ready to take flight. Yet, irrespective of the outcomes that lie ahead, one truth remains constant: my gratitude for your unfaltering faith and relentless support. It is a debt that can never be fully repaid but will always be remembered.While other children may look towards the future with uncertain steps, I advance with the solidity of a mountain, fortified by your love. As eloquently stated by the Roman philosopher Cicero, "Gratitude is not only the greatest of virtues, but the parent of all others."With a heart brimming with thanks and a spirit eager to make you proud, I pledge to face the challenges ahead with the same fervor and determination that you have instilled in me. Rest assured, each stride I take in the paths of life will be a testament to your guidance and love.Thank you, from the depths of my being, for bestowing upon me the most precious gift - the belief in my potential. My promise to you is to strive not to succeed but to significance, aligning with the principles you hold dear.Yours sincerely,[Your Name]。

应用文练习写作指导之感谢信讲义-高考英语写作备考

应用文练习写作指导之感谢信讲义题目假设你是李华，最近去英国参加了一次英语夏令营活动，住在Mr. Smith 家中，他们为你提供了饮食、住宿、旅游方面的帮助。

请写一封感谢信表达对他们的感谢。

内容要点包括：1、感谢Smith夫妇；2、你的感受；3、邀请Smith夫妇来华旅游。

题目分析像感谢信这样格式固定的文章，写作套路可以发挥巨大的作用，只要结合题目要求补充必要的具体内容即可。

所以今天我们就结合范文来看看感谢信的写作模版，所有标蓝色的内容都是各位应该背下来的。

文章开头How are you doing? I am writing these few lines to express my heartfelt gratitude to you for offering accommodation when I was in England.第一句的问候语、第二句陈述感谢的写作目的都是固定句式，可以适用在所有感谢的文章里。

在这里需要你补充的是for后面的doing sth，你需要结合题目用一个短语来概括你要感谢对方什么事情。

最后的when从句就是把背景补充一下，对方是什么时候帮助你的。

来看下面三个例子：for helping me improve my English when I was preparing the test在我准备考试的时候，帮助我提高英语for staying with me when I was struggling with myself在我内心纠结的时候，陪伴我for encouraging and supporting me when I was faced with difficulties在我遇到困难的的时候，鼓励和支持我doing sth就是对方做了什么需要你感谢的事，when后面其实就是你遇到了什么困难，建议使用过去进行时，表示在当时那个过程中。

文章主体1、When I look at those pictures,I just can't help thinking of you.这句话其实就是个开始描述具体感谢的总括句。

高考英语作文感谢信模板

Last but not least, I am grateful for the positive and encouraging atmosphere that you have fostered during the examination. Your friendly demeanor and words of encouragement have helped to create a supportive and motivating environment, and have inspired us to approach the test with confidence and determination.
In conclusion, I am deeply thankful for the invaluable contributions you have made to the high school entrance examination. Your hard work and dedication have not gone unnoticed, and I am truly grateful for the positive impact you have had on my academic journey. Thank you once again for everything you have done, and I look forward to the opportunity to demonstrate my potential in the future.
高考英语作文感谢信模板
Dear examiners,
I am writing this letter to express my heartfelt gratitude for your dedication and hard work in preparing and marking the high school entrance examination.

英语高考作文感谢信感谢父亲

A Father's GratitudeDear Father：I am writing this letter to express my deep gratitude to you. Your love, care, and guidance have accompanied me every step of my growth, providing me with endless warmth and strength.Throughout my journey of growth, you have always been my solid support. Whether it was academic confusion or life's troubles, you always patiently listened and carefully guided me, making me feel less alone and helpless in the face of difficulties. Your support and encouragement have made me more confident in facing challenges and bravely pursuing my dreams.Your teachings are like a gentle breeze, quietly nourishing all around. Not only have you taught me how to be a good person, but you have also taught me how to navigate through life. Leading by example, you have instilled in me qualities such as honesty, integrity, tolerance, and diligence, which will serve as valuable assets on my future life journey.I still remember one time when I was feeling down because of a disappointing exam result. Instead ofblaming me, you patiently analyzed the situation with me and encouraged me to keep trying. It was your understanding and support that helped me regain confidence and face future challenges bravely.On this special day, I want to say: Thank you, Father! Thank you for your constant sacrifices and love, thank you for your companionship and support on my journey of growth. I will always remember your kindness, keep your teachings close to my heart, and strive to become a valuable member of society.Finally, I wish you good health and all the best! May our family always be filled with warmth and happiness!Your child,[Your Name][Date]译文：父亲的恩情亲爱的父亲：我写这封信，是想向您表达我深深的感激之情。

高考英语作文专题讲解---感谢信

千里之行，始于足下。

高考英语作文专题讲解---感谢信Dear Mr. Smith,I am writing this letter to express my heartfelt gratitude to you for the assistance you provided during my college application process. Your guidance and support have immensely contributed to my successful admission to the university of my dreams.First and foremost, I would like to thank you for your patience and dedication in advising me on the choice of universities and majors. Your extensive knowledge and understanding of highereducation enabled me to make informed decisions and select the most suitable options for my future. Your insightful suggestions helped me narrow down my choices and ultimately choose the university thataligns with my academic and career goals.Furthermore, I am deeply grateful for your unwavering support throughout the application process. From reviewing my application essays to assisting with the preparation of recommendation letters, your meticulous attention to detail and constructive feedback playeda vital role in enhancing the quality of my application materials. Your timely response and willingness to provide guidance whenever I encountered difficulties reassured me and gave me the confidence to face the challenges that came my way.Moreover, I would like to express my gratitude for your encouragement and motivation during the stressful period of第1页/共2页锲而不舍，金石可镂。

高考英语作文感谢信模板例题范文好词好句讲义

六感谢信模板（单面打印）Dear______,1 开门见山地交代写信目的I am now writing this letter to express my sincere thanks for ________.2 引出感谢When I _______, I just can’t help thinking of _______.3 交代感谢的原因并感谢对方It was so kind of you to __________.4 陈述自己的感受或对方的作用______________ 5总结对方的情意对自己的影响I shall always remember _________.6 表达自己希望有回报的机会I hope to have the opportunity to express my gratitude to you.7 提出回报对方的方I will feel very honored and pleased if ___________ 8对自己提出的回报方式希望对方给予回应Would you kindly let me know ________?9再次表达感谢I must thank you again for your __________.10 表达祝福____________.常用句式：1 I would like to convey in these few lines my sincere thanks to you for...我写信以表达我对您...的真诚谢意，2 I don’t know how to thank you for your kindness to me，我不知道如何感谢您对我的热心帮助3 I repeat my thanks again for your对您的...我再一次表达我的谢意，4 Please give me give my kind regards to your family，请代我向您的家人问好。

高考英语作文感谢信作文课件

常用语块 1. 非常感谢……Th__a_n_k_y_o_u__v_e_r_y_m__u_c_h_f_o_r… 2. 写这封信是为了表达我对……的谢意
I am writing to__e_x_p_r_e_ss__m_y__t_h_a_n_k_s_f_o_r… 3. 请接受我诚挚的谢意……
Please accept my__si_n_c_e_r_e_a_p_p_r_e_c_i_a_ti_o_n_f_or… 4. 我真的很感激你……
Again, I sincerely thank you for your help! Yours, Li Hua
课外作业
假定你是李华，去年是一名交换生(exchange student)去美国学习，得到布朗一家的照顾，回国后写一封感谢信给布朗夫妇，要点如下：
1. 梦想成真，考上理想大学。 2. 因为王老师的辅导和鼓励，英语由差变好。 3. 对老师表示祝福。注意：1. 词数100左右。2. 可以适当增加细节，以使行文连贯。3. 开头语和结束语已为你写好。
Dear Mr. Wang, Again, I sincerely thank you for your help!
5. 我谨借此机会感谢您给予我们的及时支持和帮助。
5. I would like to take this opportunity to express my great appreciation for your timely support and assistance.
课堂练习
假定你是李华，现在是华南师范大学(South China Normal University)大一新生你高三时在王老师的帮助下，英语进步很大，为表示感谢，给王老师写一封感谢信。要点如下：

2017年高考英语感谢信范文_感谢信.doc

2017年高考英语感谢信范文_感谢信高考的时候不管是语文还是英语都有可能会遇到书信的作文，如何写呢?格式是怎么样的呢?下面是整理的关于2017年高考英语感谢信，欢迎借鉴!给父母的感谢信篇一：Dear parents,Now I know clearly that you both are expecting me anxiously. I can say nothing but thanks to you both on this special occasion, because words have failed me when I want to express my thanks to you both for the loving care you have shown for me, especially since I went to Senior Three. These days I have been studying hard and have made some progress. And everything has got along well with my college entrance examination. I have performedmy ability in this exam. I hope you both can set your mind at rest.After this exam, I intend to help you do some housework which I have seldom done before. And I also mean to learn to cook in order to prepare a dinner for you both in person.My dear parents, everything is going on well with me and do have a rest!Best wishesKing给老师的感谢信篇二：Dear Mr. John,How are things going with you in Beijing?I am writing to show my thanks to you. You tutored me in my spoken English before you went to Beijing. With your help I made such rapid progress that I won the first place in the Spoken English Competition of the city. My achievement is owed to your help. Thank you very much.I have heard that you and your wife will pay a visit to my school. I am very glad at the news. In that case we can see each other again. I am looking forward to your coming. I am sending you a telescope as a small gift. I hope you will like it.All the best.Yours,Liu Jie给拾金不昧的人的感谢信篇三：Dear sir,I am a tourist from the UK. Yesterday I visited the park and had a wonderful time there. But when I returned to the hotel, I found my wallet missing. There was a lot of money in it, and aboveall, there were also my passport and flight ticket. Naturally I was very worried. In the evening , the hotel manager brought a boy to my room. The boy handed me my wallet. I thanked him and offered him some money. But he politely refused. Form the manager, I learned he is a schoolboy of your school and his name is LiHua.Yours,John Smith论文感谢信范文英语篇四：Thanks to my tutor professor XXX, he wrote to a doctor of letters) are careful meticulous, conscientious and meticulous style has always been my work and study of the model; They described the teach and outside-the-box thinking gives me endless inspiration.Thank my small white teacher, this paper details and each data of each experiment, cannot leave your careful guidance. And you, cheerful personality and tolerant attitude, help me to quickly into our new laboratoryThank my roommates, from distant home came to this strange city, is you and I jointly maintain the brotherly feelings between each other, sustained by the family harmonious dormitory. For four years, as if just yesterday. University graduation thesis thank-you note thank-you notes. Four years, we have no red face, no oral fight, not happen ago college to worry about any unhappy things. Only in the future we rarely get together for a year again yuan hajek said meal, it doesn’t matt er, go their own way, you take good care. I wish to U.S. C in peace, left-behind fudan D, E&F happy, diversionary measure G the smooth, also want to leave our bedroom H&I open happy heart. The time we share together, I’ll remember for a lifetime.Thanks to my mom and dad, how much breakwater grass, tree back, gratefulness, repay you, you always healthy and happy ismy biggest wish.In the paper the completed, my heart can’t calm, from began to enter the subject thesis is completed, how many respectable teachers, students, friends gave me speechless help, here please accept my sincere thanks!感谢我的导师XXX 教授，他(写给医生的感谢信)们严谨细致、一丝不苟的作风一直是我工作、学习中的榜样;他们循循善诱的教导和不拘一格的思路给予我无尽的启迪。

高考英语作文感谢信范文

高考英语作文感谢信范文听、说、读、写是英语的四个基本技能,而写作是最能够体现出学生英语的综合能力。

下面，是店铺为你整理的高考英语作文感谢信范文，希望能对你有帮助!高考英语作文感谢信范文篇1Dear Jane,I am writing to extend my sincere gratitude for you and your family's warm welcome last month. During I was in America, you took me to many places that I was greatly impressed. I had never experienced such amazing things before. Besides, I am really grateful for you mother's delicious dishes. I liked them very much so that I often think about them now. It's you and your family who brought me wonderful days in America. Please accept my gratitude, now and always. And I sincerely hope that I have a chance to welcome you and your family in China.Sincerely yoursClaire亲爱的珍妮：我写信是想对你以及你家人上个月对我的热情招待表示真诚的感谢。

我在美期间，你带我参观了很多令我印象深刻的地方。

我以前从没见过这么惊奇的东西。

除此之外，我真的很感谢你妈妈做的好吃的菜。

我很喜欢吃，所以我现在常常会想起它们。

是你和你的家人在我在美期间给我带来快乐的日子。

英语高考感谢信范文

英语高考感谢信范文英语高考感谢信范文1Respected teacher:Hello, you have always tried to impart knowledge to us all the year. Even at night, the stars and the moon serenely fell asleep, but your home lights still lit. Every morning, you get up earlier than I do.I am poor in body and ill from a small body. For this reason, the results of learning can not catch up. With the free Sanman used, do not attach importance to learning, all aspects are casual, not strict with themselves. After I rose to grade three, I entered your class. You see my shortcomings and have been patiently looking for my heart, making me know my own shortcomings. So, I correct it seriously. First of all, you ask me to practice a good word, to write the word correct. Before, I couldnt even see my own words. Under your instruction, I have worked hard and finally put the word to the right. In order to encourage me, you wrote a+ on my homework book. Do you know that this little a+ has given me infinite strength, a hundred times my confidence and a growing interest in my learning.My composition is very bad, and I often write a few words, even if it is done. You found, always good at giving systematic guidance of me, teach me how to write the composition. Im writing a raise. Now, my composition is hung behind the classroom every time, so that my classmates can learn, how happy I am. My teacher, every bit of progress I have, is inseparable from your education.Teacher, thank you for the effort you have paid for me. I will never fail to live up to your expectations for me. I must be a useful material for my country when I grow up.I wish you success in your work, health, students everywhere.英语高考感谢信范文2Dear teacher, professor and expert:Three years of study and life are about to end, and a review of the three years of study and life is deeply felt and the harvest is rich. In the process of writing papers, there are lots of difficulties in both theoretical study stage, or in the selection of the topic, data check four polling, opening, research and write every link, all the guidance and help get a mentor. I would like to take this opportunity to express my sincere thanks to my tutor. At the same time, I want to thank all the teachers in Shaanxi Vocational and Technical College, because they have learned professional knowledge, and learned from them how to learn, how to do things and how to behave. At the same time, I also want to thank my classmates for helping me. They have offered me a lot of advice and help for writing my paper. I would like to thank you so much for my teacher, Mr. Han Ying. He was passionate and careful. He can always encourage you like a close friend in the chat, she will always be in the aspects of writing and wording to "professional standards" strict with you, from the beginning of the topic, SDI, until the end of the repeated modification, polish, Korean teacher always serious and responsible to give me deep and detailed guidance help me to develop research ideas, encourage carefully taught, warmly. It is Mr. Hans selfless help and enthusiasm to encourage,my graduation thesis can be successfully completed, thank you, Mr. Han! Thank you for three years of college life, thanks to my family and those friends who will never forget. Their support and feelings are my eternal wealth.Finally, Professor of experts, teachers heartfelt thanks for your very busy schedule to review papers!Thank you。