语言注意点:
备忘录的主要目的是有效、快速地传达信息，应语言简练、层次清楚，易于理解。如有并列信息，可借助项目符号或编号等，使人一目了然。不宜使用华丽的辞藻或复杂的结构来炫耀自己的写作才能。
Directions 28
Write a memo in about 100 words on behalf of the Student Union to call on students to join in the volunteer activities in Xinhua Community.
Sample:
TO: All students of Shanghai University
FROM: Student Union
SUBJECT: Volunteer activities in Xinhua Community
DATE: Sep. 13, 2005
At the beginning of the new term, we plan to organize a series of volunteer activities in Xinhua Community, which is about 200 meters from our university.
The activities are scheduled on September 18, this Sunday and include doing housework for the disabled or old people who live by themselves, teaching English to children, and publicizing knowledge about healthy diet and about preventing common diseases.
We believe it is a good opportunity to show our love and know more about the society. 100 volunteers are needed. If you are willing and have time to take part in the activities, please come to the office of the Student Union on the third floor of the Administrative Building, where we would ask you to sign your name in a table and tell us what activity you are particularly interested in.