Unit 1 Public signsThe First PeriodWhat does this sign mean?It means you shouldnt smoke.The new wordsmean意思是意指意思是意指should 应当应当应该应该shouldnt=should notsmoke 吸烟吸烟 The Summer Holiday is coming.Your cousin, Lucy will visitNanjing. She is only 5 years old. Please invite her to go to HongshanZoo. Please teach her something about the public signs.Look and writeJack:There _ a sign here. Ben:Yes. This is a public_ . Jack:What_ it mean?Ben:Its” Danger” .It_ you_ stay away from it.Jack:Oh, I_ .Thank_ .Ben: Not_ _ .is sign does means should see you at all Homework1.跟同桌操练句型。2.收集并设计一些公共标志牌，并和同学讨论其合理的放置地点、并能说出理由。 Thank you ! Good bye!