1、Unit2 Interesting oppositesLesson12Lets reviewbigsmallClean干净的干净的The shirt is clean.Dirty脏的脏的The water is dirty.Pond池塘池塘?Fish cannot live in dirty waterPair workA.Look,there are many fish in this pond.B.Wonderful!A.There are no fish in this pond.Why?B.Because this pond is dirty.Fish cannot live in d
2、irty waterYes or noYesNo The water in the pond is clean.The river is dirty.The water in the lake is clean.YesYes or noNo The clouds in the sky are dark.My hands are dirty.YesLets singThe water in this pond is very clean.There are many,many fish in this pond.The water in that pond is very dirty.Therere no fish in that pond,in that pond.summary为什么脏水池塘里没有鱼?为什么脏水池塘里没有鱼?Because.exerciseclean fullempty tallweak coldshort strongwarm thinfat dirtyhomework抄写单词抄写单词抄写句子并翻译和背诵抄写句子并翻译和背诵用用this is 和和that is句型分别造两个句子。句型分别造两个句子。