UnitThirteenWarm-upBackgroundInformationListofGesturesGesturesTextLearningTextLearningTextLearning1.TheUnitedStatesConstitutionrequiresthatPresidentbeanatural-borncitizen,thirty-fiveyearsofageorolder,whohaslivedintheUnitedStatesforaminimumoffourteenyears.美国宪法要求总统是生于美国公民，三十五岁以上，并且在美国居住了至少十四年。2.Stonedoesn’tdecay,andsotoolsoflongagohaveremainedwheneventhebonesofthemanwhomadethemhavedisappearedwithouttrace.石头不会腐烂，所以以前的(石器)工具能保存下来，虽然已经消失的无影无踪。3.Becauseofthespacecrunch,theArtMuseumhasbecomeincreasinglycautiousinconsideringacquisitionsanddonationsofart,insomecasespassingupopportunitiestostrengthenitscollections.由于空间不足，艺术博物馆在考虑时越来越慎重，有些情况下放弃其进一步改善收藏的机会。4.Unemploymentisanimportantindexofeconomicslackandlostoutput,butitismuchmorethanthat.Fortheunemploymentperson,itisoftenadamagingaffronttohumandignityandsometimesacatastrophicblowtofamilylife.失业是经济不景气和产量减少的重要标志，。对于失业者来说，它常使人自尊受辱，有时甚至对家庭生活造成。5.Eliminatingproblemsbytransferringtheblametoothersisoftencalledscape-goat/scapegoating.用怪罪别人的办法来解决问题通常被称为寻。AmericanCulturalKnowledgeQuiz1.Peopleusuallytip_____.a)movieushersb)taxidriversc)teachers2.Brunchisacombinationofbreakfastandlunch.Americansusuallyeatbrunchon_____.a)Sundayb)Tuesdayc)Friday3.Atthemoviespeopleofteneat_____.a)popcornb)grapesc)nuts4.Inrestaurantsweusuallyleavea_____.a)25—35%tipb)10—20%tipc)40—50%tip5.Englishmuffins,FrenchtoastanDanishpastryare______.a)RockgroupsfromEuropeb)Popularfoodsc)DancesfromEurope6.Manypeoplethinkthenumberthirteenbrings_____.a)happinessb)moneyc)badluck7.Aspellingbeeis_____.a)aflyinginsectb)aspellingcontestc)aspeedingcar8.Thecheckroominarestaurantistheplaceto_____.a)payforyourmealb)leaveyourcoatc)washyourhands9.At7P.M.and11P.M.manypeoplewatch_____.a)quizshowsb)cartoonsc)thenews10.TherearenoTVadvertisementsfor_____.a)Cigarettesb)toysc)shampoo11.ElvisPresleywasthekingof_____.a)CountryWesternmusicb)Jazzc)RockandRoll12.NewsweekandTimearethenamesof_____.a)Newspapersb)TVprogramsc)Magazines13.Manystorescloseevery_____.a)afternoonb)Sunday