Design one poster by youself!Tips:1.What is poster?A poster is placard usually displayed in a public place.2.The language feature of poster:readable, legible, well-organized, succinct3.The structure of a poster:sponsor, headline, place, time, other information4.How to write a perfect poster?There are two steps to write a poster.Step one: sort through the information.Step two： lay out the text.Now,it's a time to try your hand!