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1、UnderstandingtheUnitedStatesKeytoChapter1GeneralSurveyI.Gap-filling1.TheUnitedStatescoversthecentralpartofNorthAmerica.2.Washington,D.C.isthecapitalandeconomiccenteroftheUnitedStates.3.ThelowestpointoftheUSisDeathValley.4.RoseisthenationalfloweroftheUS.5.Wy
2、omingistheleastpopulousstateoftheUS.6.TheUnitedStatesisafederalrepublicconsistingof50states.7.In1776,theUnitedStatesdeclareditsindependencefromGreatBritain.8.TheofficiallanguageoftheUSisEnglish,andthesecondmostspokenlanguageisSpanish.Hawaiianisanofficiallan
3、guageinthestateofHawaii.9.Religiously,mostAmericansareChristian;amongthem52%areProtestantand24%RomanCatholic.10.TheWhiteHouseistheresidenceofthePresidentoftheUnitedStates,andtheCapitolHillishometoAmericanCongress.Ⅱ.TermsExplanation11.UncleSamItisthenickname
4、oftheUS,usuallyacartoonfiguredressedinstripedpants,alongtailcoat,atallhatcoveredwithstarsandstripes,andabeard.ThisimagecamefromameatprovidernamedSamuelWilsonduringthewarof1812.TheAmericanCongressofficiallyrecognizedUncleSamasanationalsymbolin1961.12.Starsan
5、dStripesItisthenationalflagoftheUS.Ithas13stripes—7redstripesand6whitestripes.Abluesquareintheuppercornercontains50whitestars.Thestripesrepresentthe13originalAmericancolonies.The50starsstandforthe50U.S.states.13.IndependenceDayItisthenationaldayoftheUS(onJu
6、ly4).OnJuly4,1776,TheDeclarationofIndependenceannouncedthatthethirteenNorthAmericancolonieswouldbethethirteenUnitedStatesofAmerica,freeandindependentofGreatBritain.14.NationalBirdoftheUSThebaldeagleisthenationalbirdoftheUS.Itwaschosenin1782astheemblemoftheU
7、S,becauseofitslonglife,greatstrengthandmajesticlooks,andalsobecauseitwasthenbelievedtoexistonlyonthiscontinent.15.TheGreatSealItisthesealoftheUnitedStates,whichdepictsabaldeaglewithashieldof13stripesrepresentingthe13originalStatesonitsbreast.Acrossthetopoft
8、heshieldisabluefieldthatunitesallthestripesintoone.ThebluechiefrepresentstheUnitedStatesCongress.Theeaglegraspsanolivebranchrepresentingpeace,and13arrowsrepresentingwar.Abovetheeaglearethirteenstarsins
