【正文】 應用文的一個鮮明的特點就是語言精煉、文字準確。它有基本固定的格式。在撰寫應用文時，應注意各種不同文體在格式和語言上的要求。1）書信（letter）.英文書信一般包括下面幾個部分：書信的格式是最基本的格式，許多其他的應用文格式都是以書信為基礎。，寫信日期，寫在右上角。（有時包括收信人的地址）2．稱呼。 of Thanks（感謝信）在接受了別人的幫助、款待，或接受了別人的幫助之后，應及時寫一封感謝信表達自己的謝意。感謝信用詞要真誠、簡要，不要太過夸大其詞。May 6, 2010Dear Mary,I am deeply grateful to you and your husband for the gift you sent me on my 30th like it very much, and I was very excited when I received your was very kind of you to do all this for me and I appreciate it more than I can sincerelyTinaSample2letter of Apology(道歉信)由于各種原因給別人造成不便、遺憾或損失及傷害時，應該寫一封信道歉信表示歉意。在信的開頭，應先道歉，在解釋原因。道歉的用詞要誠懇、所說的原因要讓人信服、易于讓人接受。May 9，2010Dear Tina,I am pretty sorry that I didn’t attend your 30th birthday wanted to take part in it very much., but unfortunately I caught a bad cold on these days and I was sent to the hospital to have excuse me for my yoursJessicaSample 3letter of plaint(投訴信)投訴信主要用于向有關部門或人員反映問題的信件。寫投訴信時，要開門見山地指出問題所在及希望解決這些問題的方式、方法。陳述要準確簡潔，提出要求要有理有據(jù)、讓人 信服。July Dear sir,I ordered 3 cans of gallons of milk, but you sent 2 cans of cola 3 gallons of want you to call me at 6666572 when you are free and replace the things I Sample 4Letter ofInvitation(邀請信)一般來說，邀請信的格式分為兩種，非正式的一般邀請信和正規(guī)格式的邀請信，即請柬。邀請信有固定的格式，在信中要把邀請對方的活動內容、時間、地點表達清楚，使人一目了然，不能讓人捉摸不定，模糊不清。June Dear Windy,We are going to have a party to celebrate my daughter’s 18th you know, after that,she is gong to be an want you and Anderson to e and celebrate ’s next Friday, June 11, at 6:00 our expect with great pleasure seeing you yoursTomSample 5Letter of Congratulation(祝賀信)祝賀信主要用于慶賀親戚朋友結婚、生育、生日、晉升等，或在節(jié)假日向朋友致以節(jié)日的問候。祝賀信語言要親切，給人以真摯和溫馨的感覺，不能夸大其辭，否則會給人留下虛假的印象。套語的使用要得當，不能太過刻板。September 11，2010Dear Rosemary,Please accept my heartiest congratulation on your recent promotion and We have been watching your hard work in the past few , you got it, and you deserve all feel really happy for you and We hope you get greater success in the near KarenSample 6letter of Comfort（慰問信）當親人或朋友生病或出意外的時候，寫一封慰問信表達同情和安慰，以緩解對方的焦慮、壓力和難過的心情。因此，慰問信的書寫一定要親切、真誠、讓人看了倍感溫暖。December 12, 2010Dear Judy,I am terribly sorry to know that you were injured in a car accident on your way back relieved me that you were not hurt very seriously ,and the cardriver was also caught by the hope you have a good rest at home and recover I can do anything for you, don’t hesitate to tell sincerely hope you will get well Dian信內地址的寫法：1． 寫信人的地址在右上角。2． 收信人的地址在左邊稱呼的上面。3． 日期寫在寫信人的地址下端。2)通知與海報（Notice and poster）通知與海報主要用于公布活動信息、重要活動的時間、地點等的安排；因此，其語言應簡潔、明確、清晰，寫作格式也可靈活多樣。通知、海報一般由標題、正文、落款等組成。標題一般都是notice和 poster或是announcement，也可根據(jù)具體不同的內容來定。正文中要用比較清楚的語言說明活動的內容、時間、地點、注意事項等。正文后是落款，包括出通知與海報的部門和日期。Sample NoticeNotice from Nanjing University will give us a speech on international environmental protection at 8:30 ., Thursday , June the students in Chemistry Department are required to e to the lecture on absence is DepartmentJune Sample PosterAPosterINTERNATIONAL TABLETENNIS MATCHChina Place :City StadiumTime :8:30 .,June 20Fare:50yuanfor eachTicket office: The Students’ Union3)電子郵件（Email）電子郵件的格式如下：1.“To” : 收郵件的部門或個人。2.“From”: 發(fā)郵件的部門或個人。3.“Date” : 發(fā)郵件的如期。4.“Subject”: 主題