Agreatnumberofpeople的精選

問題詳情：Agreatnumberofpeoplecangetinjuredorevenkilledresultingfromahumanstampede(踩踏).Thebadthingisthatapeacefulgroupofpeoplecanquicklyturnintoacrazypanickedcrowd.     36  Ifyouareinacrowd,the...