阅读下面的短文,从短文后各题所给的四个选项(A、B、C和D)中,选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。 Geographyisanimportanttoolforlearningandunderstandinghistory.Geographyaffectshistory—justlookat thechangesinworldgeographyoverrecentyears.Governmentschange,and__ _countrieswereborn.Manycountriesnolongerhavethesamenamesthey_ __evenfiveyearsago.Climatechanges_ ___eventssuchasdroughts(干旱)andfloodsthatcauselotsoflossoflifeandthemovementsofpeoplefromoneplacetoanotherinsearchof_ __.Environmentalchangescanchangetheentire__ __ofacommunityorregion. Aswithhistory,childrenhaveanaturalinterestin_ __.Watchagroupofchildrenplayinginthesand.Onechildmakesstreetsforhiscars,_ __asecondchildbuildshousesalongthe_ __.Athirdscoopsoutaholeand_ ___thedirttomakeahill,thenpourswaterinthe_ __tomakealake,usingsticksfor_ __.Thechildrennamethestreets,and__ __mayevenuseawateringcantomake_ __thatwashesawayahouse.Theymaynotrealizeit,_ ___thesechildrenarelearningsomecorefeatures(核心特征)ofgeography—howpeopleinteractwiththeEarth,howclimate_ __land,andhowplaces_ __eachotherthroughthemovementofthingsfromoneplacetoanother.Turningtomapsorglobes,Whenwetalkwithourchildrenaboutvacationplans,events ___aroundtheworldorhistoricalevents,weteachthemagreatdealaboutgeography.Notonlycansuchactivitieshelpourchildrenlearnhowtousekeyreferencetools,__ _overtime,theyhelpthemformtheirownmentalmapsoftheworld,whichallowschildrentobetterorganizeand_ ___informationaboutotherpeople,places,timesand_ __.Suchactivitiesalsohelpourchildrenlearntohowtoworktogetherinthefuture.
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