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1、阅读理解BPassage20Americans,likemanypeopleelsewhereintheworld,liketoinvitefriendstotheirhomesforaneveningoffood,drinkandconversation.FormaldinnersinfinehomesandhotelsintheUnitedStatesaremuchthesameasformaldinnersanywhereintheworld.ButasmostpeopleintheUnitedStateshavenoservants,theirdinnerparti
2、esathomearedecidedlyinformal.Asmanynewsmallhomeshavenoseparatediningroomorjusthaveverysmalldiningspace,guestscanalsoservethemselvesandeatinthelivingroom,holdingtheirplatesortraysontheirknees.Amoreenjoyableformofentertainmentisthepicnic.Americansaregreatpicnickers,andalmosteveryfamilyhasapi
3、cnicbasket.Summerinvitationsareoftenforapicnicataparkorintheopencountryside.Unlesshamburgersorhotdogsarecookedoverafire,picnicfoodisusuallycold－sandwiches,salads,potatochips,pickles.Watermelonisafavoritedessert,followedveryoftenbybaseballfortheyoungandactive,andnapsfortheoldandweary.(1)、Am
4、ericansliketoinvitetheirfriendsovertodinnerattheirhomes.A：TB：F答案：A(2)、MostAmericanspreferinformalpartiesbecausetheycannotaffordformalones.A：TB：F答案：B(3)、Guestssitandeatataninformaldinner,inthediningroomorinthelivingroom.A：TB：F答案：A(4)、Accordingtothepassage,peopleseldomhavehotfoodatapicnic.A：
5、TB：F答案：A(5)、Thepicnicisconsideredamoreenjoyableformofmealbecauseadessertisalwaysserveal.A：TB：F答案：BPassage21Aguidedogisadogespeciallytrainedtoguideablindperson.Dogschosenforsuchtrainingmustshowgooddisposition,intelligence,physicalfitnessandsenseofresponsibility.Attheageofaboutfourteenmonths
6、,aguidedogbeginsanintensivecoursethatlastsfromthreetofivemonths.Itbecomesaccustomedtotheleatherharnessandstiffleatherhandleitwillwearwhenguidingitsblindowner.Thedoglearnstowatchthetrafficandtocrossthestreetsafely.Italsolearnstoobeysuchcommandsas"forward","left","right"and"sit"andtodisobeya
7、nycommandthatmightleaditsownerintodanger.Themostimportantpartofthetrainingcourseisafour-weekprograminwhichtheguidedoganditsfutureownerlearntoworktogether.However,manyblindpeopleareunsuitedbypersonalitytoworkwithdogs.Onlyatenthoftheblindfindaguidedoguseful.(1)、
