【正文】
n(15)—fifty(50)eight(8)—eighteen(18)—eighty(80)twelve(12)—twenty(20)Exercise一、單項(xiàng)選擇。如: 21—twentyone , 25—twentyfive , 89—eightynine 。如: 14—fourteen , 16—sixteen , 17—seventeen , 19—nieen要個別記憶的有: 13—thirteen , 15—fifteen , 18—eighteen 。s seventeen dollars.Language points( 1)定義:表示數(shù)量的詞叫基數(shù)詞。1c Listen and circle the numbers you hear in 1a.10 11 12 13 14 1516 17 18 19 20 2122 23 24 25 26 2728 29 30 311d Listen again. Circle the things in the picture that Kate and her mom talk about. Check(√)the thing Kate buys.1e Ask and answer questions about the things in the p