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 ：1 words（adj. and adv.）2 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 exercises by themselves.Step5: Check the answer.Step6: T introduces himself or herself, then asks a student the questions of B(saying while writing).Step7: Ask students to say something about themselves.Step8: Ask students to write down their own information and then their partners by asking them questions.Step9: Ask students to think and report to their groups.Step10: Ask students to report to their class.Step11: Ask students to look, think and write.Step12: Ask students to ask and answer in their group according to D. Encourage them to ask more questions.Step13: Summary课后小记：Unit 4 Lesson 22一、教学目标：复习巩固最高级的用法，丰富学生的课外知识，培养学生的口头表达能力和语言运用能力。教育学生要注意关心周围事物。二、重、难点：最高级的用法三、教学过程：Step1：1 .Reviewing the words2 Act and say:is the est in the Step 2：What is the tallest tower in the world？What is the longest wall in the world？What is the biggest animal in the world？Ask students to read World Records，then answer the questions.Step3：Ask students to read it again and underline the new words.Step4：Ask students to help each other in order to understand the new words. They can use dictionaries if necessary.Step 5：Ask students to answer the questions and do the exercises by themselves.Step6：Ask students to play a snowball game in group.Step7：Ask students to show their pictures and say a sentence.Step8：Ask students to try to say , then read after the tape, finally read by themselves.Step9：Summary课后小记：