what information should a poster include?一份海报一般包括几方面的要素？（请用英文回答））
举一反三
- 请用英文回答：In Middle Paragraph, what necessary background and supporting information should be beprovided?
- 请用英文回答：What does the letterhead include？
- Which one of the followings is not the information that a poster should include?
- 请用英文回答：What should the writer do if he want to achieve clarity ?
- 请用英文回答：Should postscript be written often？