UnitUnit11Module1MylifePeriod2Period2OxfordEnglishGrammarGrammarBBWorkouttherule·Ifanounstartswithaconsonantsound,weuse(a/an)beforeit.·Ifanounstartswithavowelsound,weuse(a/an)beforeit.GrammarGrammarBIndefinitearticles:aandanWecanuseaoranlikethis:aboyacomputerafootballteamateacheraunitaviolinanappleanegganhouranicecreamanoldbookanumbrellaGrammarGrammarexerciseexerciseB1Somestudentsaretalkingabouttheirdreams.Completethesentencesbelowwithaoran.Mydreamistobe_____Artteacher.Mydreamistobe_____scientist.aanIwanttobe_____actorinfilms.Iwanttobe_____engineer.Mydreamistobe_____basketballstar.Iwanttobe_____nurse.aananaMorequestionsMorequestionsWhat’sAnna’sdream?What’sAnna’sdream?Herdreamistobeanengineer.What'syourdream?What'syourdream?Mydreamistobe____________________.Why?Mydreamistobe______because__________.•applebanana•studentfather•engineerdog•elephantegg•hourorange•5-yearplandictionary•honestboyoldbike•islandgreenglassanaaaaaaaanananananananan•用a,an填空。•1.Thisis_____pearandthatis____apple.•2.Maryhas____e-dictionary.Shegetitfromheruncle.•3.Doyouhave_____QQnumber?•4.Thisis____orange.Itis____smallorange.•5.Thereis_____“s”intheword“bus”.•6.Thereis____“h”and_____“u”intheword“hour”.•7.Myteachergiveme_____usefulbook.•8.Ihave____hourtodomyhomework.•9.Doyouhave____umbrella.•10.Shewear______uniform.