【導讀】upstairs,exhibition,rule,againsttherules,introuble,tail,rope,entry,Noentry,no. good,nowonder,missing,downstairs,punish,munications,physics,chemistry,dig-dug-dug,coal,energy,X-ray,experiment,sand,control,truck,wheel,pare…1.Me,too.2.Noshouting,please!3.It’sagainsttherules.4.That’snogood!5.Nowonder…6.What’sthematter?7.Stop!Don’tcrossthatrope!Can’tyouseethesign,Kid?9.Don’tworry.Itisnoisy!13.…ifyouwantto…15.Don’tberude!17.Noswimming.18.Nofootball.19.Norightturn.20.Noparking.21.Nolittering.do.it,they,there.do…Unit1Don’tcrossthatrope!entry,Noentry,nogood,nowonder,missing,downstairs,punish. 1)Don’ttouch.2)Nosmoking.3)Noshouting.4)Nophotos.4.Checktheanswers.4.Checktheanswers.4)Checktheanswers.Noshouting.