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Unit3CarefortheEarthpickflowersmaketheairdirtycutdowntreeswastewaterdriveacartheearthUnit3CarefortheEarth•Question1:Whatbadthingsdowedotoourearth

?•Question2:Whatshouldwedo?Carefor"MotherEarth"Weallliveontheearth.Itisourhome.Therearealotoftrees,flowers,riversandmountai

nsontheearth.Therearealsomanyanimalsherewithus.Ourearthisbeautiful.Butsometimeswedobadthingstoit.Wecutdow

ntoomanytrees.Wewastetoomuchwaterandmaketheairdirty.Wehaveonlyoneearth.Weshouldcareforit.Weshoulddosomethingtomakethewaterandtheairclea

nagain.Weshouldplantmoretreesandhelptheanimals.Weallliveontheearth.Itisourhome.Therearealotoftrees,flowers,riversandmountainsontheearth.Th

erearealsomanyanimalsherewithus.在地球上Thereisabookonthedesk.有一本书在课桌上。Therearetwobooksonthedesk.有两本书在课桌上。也总结：The

reis+可数名词的单数不可数名词Thereare+可数名词的复数就近原则：Therebe句型中be动词的单复数形式由后面挨近的一项的单复数决定。Therebe大挑战1.There______acomputerinthecla

ssroom.2.There_______twodoorsintheclassroom.3.There_______muchmilkinthebottle.4.There______muchgrassunderthetree.5.There___

____manyflowersinthepark.6.There_______ateacher,sixtystudentsintheclassroom.7.There_______sixtystudentsandateacherintheclassroom.8.There_______alo

toftreesandflowersinourschool.isareisisareisareareOurearthisbeautiful.Butsometimeswedobadthingstoit.Wecutdowntoo

manytrees.Wewastetoomuchwaterandmaketheairdirty.太多水toomany用于修饰可数名词复数toomuch用于修饰不可数名词太多的太多树用toomuch/toomany填空。1.Don’tdrink_____

________water.2.Youareeating______________bread.3.Youshouldn’twaste___________time.4.Youshouldn’tcutdown___

______trees.5.Don’twaste____________water.toomuchtoomuchtoomuchtoomanytoomuchWehaveonlyoneearth.Weshou

ldcareforit.Weshoulddosomethingtomakethewaterandtheaircleanagain.Weshouldplantmoretreesandhelptheanimals.我们仅仅

只有一个地球。我们应该关爱它，我们应该做些事情使水和空气干净。我们应该多植树并且帮助动物们。Readagainandtickorcross()1.Therearemountains,treesandflowersont

heearth.()2.Weliveontheearthwithmanyanimals.()3.Weshouldcutdownmoretrees.()4.Wemakeallthewaterdirty.()5.Weshouldcarefortheanimals.Reada

ndcircle1.Hergrandpadrinks(many/much)teaeveryday.2.Theseboyswaste(toomany/toomuch)water.3.Youareeating(toomany/toomuch)ice-creams.4

.A:(Is/Are)thereanymilkinthecup?B:Yes,there(is/are).Homework:1.熟读Let'slearnmore2.完成配套练习第17页第ⅤGoodbye!