A standard business letter includes 6 principle parts.
举一反三
- 3. What are the standard parts of the business letter?
- The structure of letter writing includes three parts.（ ）
- There are ______ principle parts in a business letter. A: 5 B: 4 C: 6 D: 7
- All the following are principle or necessary parts of a business letter except______. A: the Date B: the Salutation C: the Signature D: the References No.
- BioBricks are standard biological parts. Like the standard parts in other industries, Biobricks can be connected with each other, or they can be disassembled and reassembled with other parts.