Unit7ProtecttheEarthFuntime&Checkouttime\nEnjoythemusic\nUsefulfriendsTwominutes’non-stoptalking…isuseful.Wecanuse...to…(Chooseacardandtalkaboutit!)\nWhy?\nWhatshouldwedotoprotecttheEarth?reuse\nHowcanyoureuseme?Icanreusewaterto…\nThinkandsayWhatelsecanyoureuse?Icanreuse…to…\nBeasuperreuser!(Pickonethingfromthebagandtellhowtoreuseit!)\nToprotecttheEarth,whatshouldwenotdo?Weshouldnot…\nLookandsayWhatshouldhenotdo?\nLookandsayWhatshouldtheynotdo?\nLookandsayWhatshouldtheynotdo?\nLookandsayWhatshouldtheynotdo?\nLookandsayWhatshouldtheynotdo?\nLookandsayWhatshouldtheynotdo?\nWatchandsayWhatshouldtheynotdo?\nLet’sprotecttheEarthtogether!ToprotecttheEarth,weshould…ToprotecttheEarth,weshouldnot…\n\n\nLet’smakeaposter!\nHomework1.默写本单元单词。