【文档说明】清华版英语五年级下册《UNIT 3 THE ENVIRONMENT AND US LESSON 17》PPT课件2(共18页).ppt,共(18)页,3.981 MB,由小喜鸽上传
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UNIT3THEENVIRONMENTANDUSLESSON17WaterThereissaltwaterandfreshwaterontheEarth.Saltwateriswaterfromseasoroceans.Freshwa
teriswaterfromriversandlakes.Wecanonlyusefreshwater,butthereisnotmuchfreshwaterontheEarth.Waterisimportant.People,anima
lsandplantsneedwatertogrow.Sadly,peoplewastealotofwater.Theywastewaterwhentheykeepwaterrunning.Theywastewaterwhen
theywaterplants.Peoplemakewaterdirty,too.Theymakewaterdirtywhentheythrowtrashintoriversandlakes.Whatdoyoulearnfromthisstory?Talkwithyourfriends
.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.