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Unit3CarefortheEarthpickflowersmaketheairdirtycutdowntreeswastewaterdriveacartheearthUnit3CarefortheEart

h•Question1:Whatbadthingsdowedotoourearth?•Question2:Whatshouldwedo?Carefor"MotherEarth"Weallliveontheearth.Itisourhome

.Therearealotoftrees,flowers,riversandmountainsontheearth.Therearealsomanyanimalsherewithus.Ourearthisbeautiful.Butsometimeswed

obadthingstoit.Wecutdowntoomanytrees.Wewastetoomuchwaterandmaketheairdirty.Wehaveonlyoneearth.Weshouldcareforit.Weshoulddosomethi

ngtomakethewaterandtheaircleanagain.Weshouldplantmoretreesandhelptheanimals.Weallliveontheearth.Itisourhome.Therearealotoftrees,flowers,riversandm

ountainsontheearth.Therearealsomanyanimalsherewithus.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：Thereis+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______acomputerintheclassroom.2.There_______twodoorsin

theclassroom.3.There_______muchmilkinthebottle.4.There______muchgrassunderthetree.5.There_______manyflower

sinthepark.6.There_______ateacher,sixtystudentsintheclassroom.7.There_______sixtystudentsandateacherintheclassroom.8.There_______alotoftrees

andflowersinourschool.isareisisareisareareOurearthisbeautiful.Butsometimeswedobadthingstoit.Wecutdowntoomanytrees.Wewastetoomuchwaterandmaketheairdir

ty.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’twas

te___________time.4.Youshouldn’tcutdown_________trees.5.Don’twaste____________water.toomuchtoomuchtoomuchtoo

manytoomuchWehaveonlyoneearth.Weshouldcareforit.Weshoulddosomethingtomakethewaterandtheaircleanagain.Weshouldplantmoretreesandhelpth

eanimals.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,trees

andflowersontheearth.()2.Weliveontheearthwithmanyanimals.()3.Weshouldcutdownmoretrees.()4.Wemakeallthewaterdirty.(

)5.Weshouldcarefortheanimals.Readandcircle1.Hergrandpadrinks(many/much)teaeveryday.2.Theseboyswaste(tooman

y/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!