Theproperwaystosavethedrowning（溺水）student．Dos•Shoutloud...
问题详情：Theproperwaystosavethedrowning（溺水）student．Dos•Shoutloudlyandaskadultsforhelp．Atthesametime，dial110．•Findtheobjectswhichcanfloatsuchaswoodandbagsfilledwithemptyplasticbottlesandthrowthemtohimorhe...