学术英语作文格式【一】
是写信人对收信人的称呼用语。位置在信内地址下方一、二行的地方，从该行的顶格写起，在称呼后面一般用逗号（英国式），也可以用冒号（美国式）。
（1）写给亲人、亲戚和关系密切的朋友时，用dear或my dear再加上表示亲属关系的称呼或直称其名（这里指名字，不是姓氏）。例如：my dear father，dear tom等。
（2）写给公务上的信函用dear madam，dear sir或gentleman（gentlemen）。注意：dear纯属公务上往来的客气形式。gentlemen总是以复数形式出现，前不加dear，是dear sir的复数形式。
（3）写给收信人的信，也可用头衔、职位、职称、学位等再加姓氏或姓氏和名字。例如：dear prof. tim scales, dear dr.john smith。
学术英语作文格式【二】
Dear Andrew,
How are you, my best friend Andrew? It is pleasured that you invited me to pay a visit to your home. But I am very sorry that I can’t accept your invitation because I have a very important competition which I must to take part in.
It is a competition of English play, which is hold once two years and will need a month to practice, is very valuable for me. So,I must take part in which I don’t want to miss the opportunity. Sorry, I believe you can understand me right?
Last, I want to give you a present that a CD about the hundredth anniversary of my school. It is too much fun in it and I hold you will be like. I promise you that I will accept your next invitation and bring some presents which you like.
Good Luck From Your Friend.
Xiao xin
学术英语作文格式【三】
Dear David,
I＇m glad you＇ll come to Beijing to learn Chinese. Chinese is very useful, and many foreigners are learning it now. It＇s difficult for you because it＇s quite different from English. You have to remember as many Chinese words as possible. It＇s also important to do some reading and writing. You can watch TV and listen to the radio to practise your listening. Do your best to talk with people in Chinese. You can learn Chinese not only from books but also from people around you. If you have any questions, please ask me. I＇m sure you＇ll learn Chinese well.
Hope to see you soon in Beijing.
Yours,
Wang Ming
