[单选题]月(季)度电力市场分析预测主要对上月(季)主要经济指标和电力供需情况进行分析,对本月(季)电力供需形势进行预测。每月(季度初月)( )日前完成月(季)度电力市场分析预测报告。
A.1
B.9
C.20
D.30

The business memo(备忘录) is probably the most frequently used communication within a company. It is called an intra-company communication because it is used by people in their own company or organization. They change to letters, however, when they write messages to people who do not work for their company.
A memo creates a written record that may or may not filed, depending on the receiver and the subject. As you know, spoken messages may be misunderstood or forgotten. A memo, however, be comes a record that does much to ensure the complete communication between the sender and the receiver.
The standard form of a memo frequently carries a pre-printed series of items: To, From, Date and Subject. The first two items include the names of the receiver and the sender. A well: written subject line tells the reader the key topic or topics the memo is about.
Business Memo
Function: for communication with a {{U}}(46) {{/U}}