七年级上册Unit1Topic3How-old-are-you-SectionB

SectionBUnit1MakingNewFriendsTopic3Howoldareyou？acaranappleapenapencilanorangeaneraser1.不定冠词a/an的用法：a/an被称作不定冠词，用在单数可数名词前，表达某一个人或事物，相当于汉语中的“一”。以元音（aeiou)开头的单词前面都是要用an以辅音开头的单词前面都是要用aa/an的区别：例：anappleanorangeanegg例：apenabookacar2.定冠词the的用法：the是定冠词，意思是“这个、那个”①特指某(些)人或某(些)物②对话双方都知道的人或物③重述上文提到过的人或物例如:Thisisabook.Thebookisveryinteresting.1aLook,listenandsay.It’s+名词.(in+表示语言的名词：用某种语言)3、这个用英语怎么说What’sthisinEnglish?It’sanegg.What’sthisinEnglish?It’sanapple.What’sthisinEnglish?this（这个）these（这些）that（那个）those（那些）复数复数1bCompletetheconversationsandthenpracticewithyourpartner.A:Excuseme,what’s____inEnglish?B:It’s_____pencil.A:Howdoyouspellit?B:_____________,pencil.A:Thankyou.B:_________________.aP-E-N-C-I-LYou’rewelcomethisA:Excuseme,what’s________inEnglish?B:It’s_____apple.A:________________,please?B:Yes.A-doubleP-L-E,apple.A:________.B:That’sOK.anCanyouspellitthatThanks