Theproperwaystosavethedrowning（溺水）student．Dos•Shoutloud...
問題詳情：Theproperwaystosavethedrowning（溺水）student．Dos•Shoutloudlyandaskadultsforhelp．Atthesametime，dial110．•Findtheobjectswhichcanfloatsuchaswoodandbagsfilledwithemptyplasticbottlesandthrowthemtohimorhe...