【文档说明】清华版英语五年级下册《UNIT 3 THE ENVIRONMENT AND US LESSON 16》PPT课件2(共20页).ppt，共(20)页，3.029 MB，由小喜鸽上传

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UNIT3THEENVIRONMENTANDUSLESSON16AirWhatisair?Canyouguess?Wecannotseeitortouchit.Butitisallaroundus.Wecanfeelitwhen

itmoves.Blowupaballoonandtieitwithastring.Thenopenitandletitsmouthfaceyou.Whatdoyoufeel?Airisimporta

nt.重要的Peopleandanimalsneedairtobreathe.Plantsneedairtogrow.Sadly,someairisnotclean.Peoplemaketheairdirtywhe

ntheydrivecars.Theymaketheairdirtywhentheythrowtrashontheground.Dirtyairisbadforourenvironment.Itcanmakepeopleandanimalsill

.Itcanalsokillplants.Whatdoyoulearnfromthisstory?Talkwithyourfriends.GameTime!记忆大比拼！老师将单词卡片按照随意顺序摆好，学生记忆，之后老师随意打

乱顺序，学生根据记忆将单词还原。Homework1.Rememberthesenewwords.2.Readthedialoguetoyourparents.