【正确答案】
A: Because memos are standard forms of communication in many organizations, they may become the most common type of business communication medium. Good memos share some characteristics.
B: I agree with you. Memos should contain guide-word headings, helping readers immediately identify the date, origin, destination, and purposes of messages.
A: Good memos also generally discuss one topic. Limiting the topic helps the receiver act on the subject and file it correctly.
B: The tone of interoffice memos is expected to be conversational because the communicators are usually familiar with one another. This means the occasional use of contractions and first person pronouns.
A: Be aware, however, of over using I.