Unit 4 Revision lesson19 教学目标 1. 能够在与1-3单元话题相关的情境中，熟练运用所学词汇、交际英语与他人进行交流。 2. 能较正确地使用形容词或副词的比较级和最高级来描述人物或事物。 twins blond curly slim straight freckles honest careless popular shy -er -est big-bigger-biggest small-smaller-smallest high-higher-highest long-longer-longest short-sh..

Unit 4 Lesson 23 一、教学目标： 通过故事复习巩固比较级和最高级的用法，培养学生的阅读能力，教育学生做事要用心刻苦。 二、重、难点 比较级和最高级的用法 三、教学过程： Step1：Reviewing comparatives and superlatives . Step2: T shows the pictures and introduces about the three little pigs briefly. Step3：Ask students to read the story (They can help each other or use dictionaries to understand the new words ). T shows the cards of the new words and asks students to read them..

Unit 4 Lesson 21 一、教学目标： 复习巩固有关比较级和最高级的用法，培养学生读、写、语言运用能力以及合作精神。 二、重、难点： 正确运用比较级和最高级 三、教学过程： Step1：Reviewing： words（adj. and adv.） Ask students to make sentences by using the words. eg. He is taller than me. Step2： Ask students to read the letters and underline the important sentences according to the exercises. Step3: Ask students to explain the important sentences. Step4: Ask students to do e..