- 搜标题
- 搜题干
- 搜选项
单项选择题
Formal research methods are generally required for what type(s) of business document(s)?
A、Routine e-mail messages
B、Routine memos
C、Long reports and complex business problems
D、All of these choices would require formal research.
B、Routine memos
C、Long reports and complex business problems
D、All of these choices would require formal research.
