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二级上Unit 9 Sally is taller than Ben.教学目的和要求Teaching aims and demands 通过学习本单元，学生能初步了解形容词比较级的用法通过学习，学生能够谈论身高学生能较熟练地认读四位数字交际用语Expressions in communication Sally is taller than Ben.This bear is short, but this bear is shorter.Fred is fatter than John.Which of these two buildings is longer?He often wears a shirt.She never talks in class.She is afraid of snakes.重点朗读词汇Key words and expressions Ben, Sally, Jane, Daisy, Bill, John, Sue, Fred, Ann, Sam,Peter, Fred, Paul, Jim, kilometers, hundred, thousand,shorter, smaller, older, thinner, longer, bigger, younger,fatter, distance, twice所需教具Materials for teaching 若干个米尺(量身高用）形容词的单词卡片若干个有关公里的数字如何导入教学？How to read these?152km,438km,1169km,1021km.Km=kilometres.这一单元学习比较级。
教师上课时问学生：“Who is the taller boy in our class? Who is the tallest girl in our class? Who is the shortest boy in our class? And who is the shortest girl in our class?” 学生回答完教师的问题后，教师说：“You don’t have to worry about your height. Some of you grow earlier. Some of you grow later. But all of you will grow.” 教师接着找两个男同学到前面站在一排，然后让大家说：“Who is taller? XXX is taller than XXX.” 教师接着问：“Who is shorter? XXX is shorter than XXX.” 这两个同学回座位后，教师继续找两个女生到前面，并用同样的方式来问大家。
