新增听力21篇答案版

tyalongunderwaterrifts.4.urredalongariftinEastAfrica.Placethestagesofthiseventinorder.1?2?3?4?AnswerChoicesA.Moltenrockflowedintotheriftandwidenedit.B.Therewasabriefperiodofinactivity.C.Seismicactivitybegan30kilometerssouthofthenorthernvolcanoes.D.Therewasaseriesofearthquakesnearthenorthernvolcanoes.5.Accordingtotheprofessor,uratthelocationoftherecentrifteventinEastAfrica?A.Twotectonicplateswillmerge.B.Adeepbasinwillform.C.Anewfissurewillopen.D.emorefrequent.Whatdoestheprofessorimplywhenhesaysthis:Butthen,plexsystemofriftscalled,shockinglyenough,theEastAfricariftsystem.A.TheEastAfricaRiftSystemismuchlargerthanpreviouslythought.B."EastAfricaRiftSystem"isanobviousnameforthesystem.C.TheEastAfricaRiftSystemisnotactuallyasystem.D.NotalloftheEastAfricaRiftSystemislocatedinAfrica.答案:DCADBCA(排序)BB