美国简介英文课件VIP免费

2023REPORTINGIntroductiontotheUnitedStatesEnglishcoursewa•GovernmentandPolitics•CultureandSociety•Economy•TravelandTourism2023REPORTINGPART01GeographyandClimatePhysicalGeography•LocationandExtent:TheUnitedStatesislocatedinNorthAmerica,borderingCanadainthenorth,Mexicointhesouth,theAtlanticOceanintheeast,andthePacificOceaninthewestItextendsfromtheAtlanticOceanintheeasttothePacificOceaninthewest,coveringavastareaoflandClimateandWeatherClimateZonesWeatherPatternsTheUnitedStateshasawiderangeofclimatezones,includingtemperature,subtropical,andaridTheclimateinthenorthisgenerallycooler,withmoresnowfallduringwinter,whilethesouthhasawarmerclimatewithlesssnowThewestexperiencesmorerainfallandhasaTheweatherintheUnitedStatesisinfluencedbymultiplefactors,includinglatitude,longitude,topography,andproximitytobodiesofwaterWeatherpatternscanvarybroadlywithinaregion,withrecentchangesintemperature,rainfall,andwindspeedMediterraneanclimateNaturalResourcesMineralsandRocksTheUnitedStatesisrichinseveralmineralsandrocks,includingcoal,ironore,copper,gold,andnaturalgasTheseresourceshavebeenessentialindrivingthecountry'seconomicdevelopmentandindustrializationForestsandWildlifeTheUnitedStateshasextensiveforeststhatprovidehabitatsforadiversearrayofwildlifeThecountryhasnumerousnationalparksandwildlifereservesthatprotectendangeredspecificationsandpreservenaturalecosystems2023REPORTINGPART02HistoryPreColonialAmericaSummary:TheprecolonialperiodinAmericasawthedevelopmentofNativeAmericanlanguagesandculturesDetailsNativeAmericansliveinsmall,semiindependentcommunitiesanddevelopedlanguagesandculturalpracticesuniquetotheirtrialsTheyhavenowrittenlanguagebutpassedonknowledgethroughoraltraditions,includingstories,songs,andstylesColonialPeriodDetailsTheyestablishedschoolsandchurchestopromoteEnglishlanguageandChristianvaluesSummary:TheestablishmentTheEnglishcoloniesbloomTheuseofEnglishbecausemorecommonamongNativeAmericansthroughtradeandinteractionwiththecoloniesofEnglishcoloniesinAmericamarkedasignificantshiftinlanguageandculturetheirlanguage,culture,andwayoflifetotheNewWorldAmericanRevolutionSummary:TheDetailsTherevolutionariesemphasizedtheThomasJefferson'sDeclarationofIndependence(1776)isalandmarkdocumentinThewaralsoledtothedevelopmentofadistinctlyAmericanRevolution(1775-1783)wasapivotaleventintheimportanceofusingEnglishtounitethecoloniesandAmericandialect,influencedbytheuniqueexperiencesandenvironmentsofthecoloniesdevelopmentofAmericanEnglishpromoteasenseofnationalidentityAmericanEnglishhistoryCivilWar0102030405Summary:TheDetailsThewarexposedThewaralsoledtoPostwarAmericanCivilWar(1861-1865)hadaprospectiveimpactonthedevelopmentofAmericanEnglishregionaldifferencesinthedevelopmentofReconstructioneffectsfurthertheinfluenceofEnglishonthedevelopmentofAmericanEnglish,leadingtoagreatersenseoflinguisticidentityamongnewwords,phrases,andmeansrelatedtomilitarylife,technology,andtheexperienceofcomboeducationandcultureintheSouthdifferentregions20thand21stCenturiesDetailsThecivilrightsmovementinthe1960smarkedawaveofnewvocabularyaroundthemesofracialjusticeandequalitySummary:AmericanEnglishTheriskofmassmedia,includingradio,film,andtelevision,hasaprospectiveimpactonthespreadandnormalizationofAmericanEnglishGlobalizationhasledtothehascontinuedtoevolveanddiversifyinthe20thand21stcentersinfluenceofAmericanEnglishonotherlanguages...