鍒濅腑，鑻辮，鏀挎不，緇忔祹鏂囧寲，綾？闃呰鐞嗚B,鍒濅腑，鍒濅腑鑻辮鏀挎不緇忔祹鏂囧寲綾婚槄璇？錛堜竴錛？Itisdifficulttosayexactlyhowthemusicwecall欽渞ock欽？or欽渞ockandroll欽?began.Itsroots（鏍規(guī)簪）gobacktomanydifferentcountriesandmanydifferentkindsofmusicandmanymusicians.Rockmusicdevelopedmainlyfromtheinteraction鐩鎬簰褰卞搷錛塷fblackAfricanandwhiteEuropeanmusic.TheEuropeansandtheAfricanslaves濂撮毝錛墂hocametoAmericaduringtheseventeenthcenturyeachhadtheirowndifferentkindsofmusic.BlackAfricansusedheavydrumbeats錛宎roughsingingvoice錛宎ndthecallingofamelody（鏃嬪緥錛塧ndanswerofachorus.ThewhiteEuropeans錛宮ostlyEnglishandScots錛寀sedastrongermelody錛宎lessheavybeat錛宎ndinstrumentssuchasguitars錛宧orns錛宎ndfiddles.Thehistoryofrockandrollisthehistoryofhowrockchangedfromthesetwotraditions.Fromtheseventeenthtothetwentiethcentury，musiciansinthesouthernUnitedStatesdevelopedtwonewformsofmusic:theblues錛寀suallyplayedbyblacks錛宎ndcountrymusic，playedbywhites.Blackmusicianssangtheblueswithaguitar.Thismusicwassimilartoworksongs錛歴toriesoftroublesandpain，withlinesthatwererepeatedseveraltimes.Theword欽渞ockandroll欽?probablycamefromtheblackchurchesintheSouth，wherepeoplesanganddancedtothestrongrhythms，whichtheycalled欽渞ockingandreeling欽？Atthesametime，whiteswereplayingcountrymusic，whichwasmostlytraditionaldancingmusicandslowsongsthattoldsadstories.Thesingersplayedwithstringinstrumentssuchasfiddlesandguitars.Duringthistimebluesandcountrymusicianshadsomeinfluenceoneachother，buttheinfluencegrewstrongerafterphonographrecords（鐣欏0鏈哄敱鐗?becamepopularinthelatenineteenthcentury.Thebirthoftheelectrieguitarchangedcountryandbluemusicinthe1940s.Thesoundoftheelectrieguitarwouldbecomethesound，ofrockandroll.NoonethinksofearlyrockandrollwithoutthinkingofElvisPresley錛宼he欽淜ingofRockandRoll欽？Rockmusiccontinuestodevelopandchange，buttheheartandsoulofrockisthesameheartandsoulthatElvisexpressed.Whichofthefollowingdoesn欽檛describeblackAfricans欽?musicstyle?Theyusedheavydrumbeats.Theysanginaroughvoice.Theyusedinstrumentssuchasguitars，horns，andfiddles.聽聽聽聽聽Theyusedthecallingofamelodyandanswerofachorus.Whichofthefollowingdescribescountrymusic?Countrymusicisusuallyplayedbyblacks.Peoplesangspiritualmusicanddancedthestrongrhythms,whichcalled欽渃ountrymusic欽？Countrymusicwastraditionaldancingmusicandslowsongsthattoldsadstories.Countrymusicwassimilartoworksongs.WhichofthefollowingNOTrightaccordingtothepassage?Intheseventeenthcentury,manyvisitorswenttoAmericafromEuropeandAfrica.RockmusicdevelopedmainlyfromtheinteractionofblackAfricanandwhiteEuropeanmusic.MusiciansinthesouthernUnitedStatesdevelopedtwonewformsofmusic:thebluesandcountrymusicfromtheseventeenthtothetwentiethcentury.Bluesandcountrymusicianshadsomeinfluenceoneachotherduringatimeinhistory.What欽檚thebesttitleforthepassage?DifferentKindsofMusic聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽B.TheDevelopmentofRockandRollElvis欽檚ContributiontoMusic聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽RockandRollIsPopular錛堜簩錛?TheInternethasbecomepartofteenagelife.There'sareporton3,375studentsagedfrom10to18insevenChinesecities.Itsaysthat38%ofthembelievetheyusetheInternetoften.WhilemostofthemgetusefulinformationandusetheInternettohelpintheirstudies,somearenotusingitinagoodway.Manyareplayingonlinegamestoomuch.AfewevenvisitWebsitestheyshouldnotlookat.BadthingscanhappenifyoungpeoplespendtoomuchtimeontheInternet.InordertohelpyoungpeopleusetheInternetinagoodway,atextbookongoodInternetbehaviorhasstartedtobeusedinsomeShanghaimiddleschools.ItusesrealexamplestoteachstudentsallaboutgoodwaysofusingtheInternet.Itgivesusefuladvicesuchasit欽檚goodtoreadnewsorfindhelpfulinformationtostudy.Somestudentsalsomakeonlinefriends.Butifyouaremeetingafriendoffline,letyourparentsknow.Teachersandparentsallthinkthebookisaverygoodidea.Itwillteachstudentshowtobeagoodpersonintheonlineworld.ItwillbeaguideforteensusingtheInternetandkeepstudentsawayfrombadsites.Fromthereport,about聽聽聽聽聽聽聽studentsbetween10-18yearsoldinthesevencitiesusetheInternetoften.A.3,375聽聽聽聽聽聽聽聽聽B.1,280聽聽聽聽聽聽聽聽聽C.2,100聽聽聽聽聽聽聽聽聽D.3,000Theunderlinedword欽渋t欽？inParagraph2means聽聽聽聽聽聽聽.A.thebook聽聽聽聽聽聽聽B.thereport聽聽聽聽聽聽C.theInternet聽聽聽聽聽D.usefulinformationWhydoteacher