常用字作文350字以上【一】
其作用是科学准确地解释说明对象的内涵，使说明更严密。
常用字作文350字以上【二】
邀请信：
It is my pleasure / a great honor for me to invite you to ...
I am sure that you will enjoy yourself here.
I hope that you won’t decline my invitation.
感谢信：
It was kind and generous of you to do this for me and I do appreciate it more than I can say.
Thank you from the bottom of my heart for ...
道歉信：
I am terribly sorry that I have done ...
I hope that the settlement of the matter will meet your wishes.
I regret to inform you that I am unable to do ...
询问信：
I am writing to you in the hope that I may obtain ...
I shall be grateful if you can offer me the information about ...
I would like some detailed information about ...
求职信：
I wish to apply for a position with your company.
I am very interested in exploring a position as a ... with your company.
I trust myself that I have the appropriate qualifications and experience for this post.
投诉信：
I am writing to express my dissatisfaction with / at ...
I am completely disappointed to find ...
常用字作文350字以上【三】
也叫列数字。有时为了便于从数量上说明事物的特征，往往用一些数字来准确地、科学地加以说明。例如《死海不死》一文中说明死海的长、宽、深的文字。《雄伟的人民大会堂》一文中，也用一系列数字来说明庄严的人民大会堂是首都最宏伟的建筑之一。常用字作文350字以上【四】
分类别的作用是使说明条理清楚。
