Unit2Unit2-Do you know these letters?Ii Jj Kk LlMmNnOoPp Qq RrIiJjKkLIMmNnOoPpQqRr/a/ / /de / /ke/ /el/ /em/en/pi:/ /kjU:/ /:/ Whats this ?停车区（美国）全国篮球协会千克A: What,s this in English?B: It,s a map.A: Spell it ,please.B: M-A-P. A: Whats that in English?A: Spell it , please. B: Its aB: J-A-C-K-E-T.AjacketWhats this?Its an orange.A: What,s this in English?B: It,s a pen.A: Spell it , please.B: P-E-N.A: What,s that in English?B: It,s A: Spell it, please.B: 1.-WhatsthisinEnglish?-Itsamap./Itsanorange.(a/an用法的区别用法的区别)eg:apen/usefulinvention/”u”(用于辅音用于辅音音素前音素前)anorange/Englishcar/hour/”s”(用于元音用于元音音素前音素前)2.inEnglish/Chinese(用语言用语言)3(注意回答注意回答)Spellit,please.-K-E-YrulerorangejacketmapCDkeyquilt请带朋友参观房间，并用所学句型问答。Groupwork:penA:Whats this in English?B:Its a / an .A:Spell it, please.B: .Whatsthis/thatinEnglish?Itsa/an A guessing gamePutdifferentletterstogethertomakeworks.Homework1: Suppose this is your room. Write the words you know. Homework2:Homework2:Introduce the things in your pensil case and in Introduce the things in your pensil case and in your schoolbagyour schoolbag