Air教学目标:1
能听、说、读、写本课的核心词汇:air,everywhere,alive,smoke,factory,smoke,dirty,clean,plant2
能熟练掌握核心句型:Itkeepsthemhighinthesky
读懂描述空气污染的对话
重点难点:1
能在语境中正确使用本单元的核心词汇
能用句型Itkeepsthemhighinthesky
描述空气的作用
教学用具:录音机、自制课件、照片等教学过程:StepⅠWarmupandrevision(热身与复习)1
Greetings
Guessinggame
StepⅡPresentationandpractice(自主探究)1
生词关T:Pleasewritethemeaningsonyourpaperair______smoke______factory________dirty________clean______alive_________everywhere_______important______2
Learnthenewwords
T:Let’slistenandsaythenewwords
Ss:readthesewordsafterteacher
Workingroupstoreadthenewwords
Recitethenewwords,andthenreciteingroups
Watchthescreenandlearntosaythesentences
Askpupilstotalkaboutthefamouscitiesoftheworldingroups
SeptⅢLearnthestory(文本学习)T:Here’sariddle
It’sverylongone
Pleaselistencarefullyandguesswhatitis