How long is ? the Great Wallthe Great Wallthe Great Wallthe Great Wallthe Great Wall本节课学习目标本节课学习目标学会用How long/old/high/tall/wide is？对物体的长度、年代、高度等特征进行问答。能认识长度单位Li及其与meter、kilometer等长度单位的换算。能描述中国的famous landmark(著名景观)the Great Wall的长度、年代等特征。1.Listen and answer the questions.1.Listen and answer the questions.What are they talking about? They are talking about the Great Wall.Can Simon go to the Great Wall? Yes, he can.Can they walk all of the Great Wall? No, they cant.2.Listen again, then talk about the Great Wall.How long is the Great Wall? Its _ long. Its _ long.How old is the Great Wall? Its _ old.ten thousand lifive thousand kilometerstwo hundred years学会用How long/old/high/tall/wide is？对物体的长度、年代、高度等特征进行问答。询问长度 How long is？ Itslong.询问年代 How old is ？ Itsold.询问高度 How high/tall is？ Its high/tall.*询问宽度 How wide is ？Its wide.能认识长度单位Li及其与meter、kilometer等长度单位的换算。What is “li”? 1li= 500 meters 2 li= 1000 meters 1000 metres = 1 kilometresListen and say. Then sing.thousands of是表示 数千的.（主要是形容东西，事物很多，数以千计）它已经不是确切的要表示“千”的意思了 你会读数吗？你会读数吗？1,000,000,000billionmillionthousandhundred千万千万百万百万千千百百The Great Wall is_ long.Its _old._built it.