B read and write 教案.doc

登陆21世纪教育 助您教考全无忧 Unit 1 How tall are you?教学内容：1世Part B read and write教学目标与要求：1世纪教育网版权所有1.能听,说，认读单词 countryside, lower,shadow, smarter, become。2.能够完成p9 think and discuss 的练习。3.了解形容词比较级的变化规则。重点:能理解小短文内容的意思。难点:能理解影子变化的真正原因。网版权所有教具： 多媒体教学环节:师生活动一、Preparation1.Lets sing.“My small cat.” 2.Free talkS1:How old are you? S2:Im _ years old. 1世纪教育网版权所有S1:How tall are you? S1:Im _ metres tall. S2:How heavy are you? S1:Im _ kilograms. 二、Revision写出下列形容词的比较级tall_ short_ young_ old_ thin_long_ small_ strong _big_ heavy_三、Presentation1、Listen and tickT:Spring is coming. What will happen ? （1）播放ppt,完成Look and tick.（2）全班校对答案。（3）试着用英文说说这些变化。2、教学countryside,lower,shadow,smarter,become(1)教师分别出示城市和乡村两幅图片并介绍说：This is a picture of the country.Then this is a picture of the countryside.师板书：countryside并带读。师追问：Do you like countryside?Why?(2)教师利用实物投影仪打出自己的影子说：This is my shadow.Have you seen your shadow?师板书：shadow并带读。（3）教师出示形容词low和smart,让学生说说他们的意思，然后让他们根据形容词比较级的变化规律，说出它们的比较级，教师板书：low_lower smart_smarter,全班齐读单词。（4）教师请一位学生上讲台表演吹气球，边吹教师边说：The balloon is becoming bigger and bigger.并板书：become,让学生说说这个单词的意思，然后全班齐读。3、教学Read and write (1)T:Wu Yifan and his family are going on a trip to the countryside. Wu Yifan has a story to tell Robin. The story is about a duck and an old tree. Lets listen the story together. 利用PPT播放，学生边看边理解课文内容。1纪教育网l利用版权所有Tips: go on a trip 旅行，去旅行，进行一次旅行 countryside乡村 用圆圈圈出文章中的形容词比较级，用方 框标出文章中的动词第三人称单数形式。 (2)Read and answer A: Whats Little Duck doing ? 1世纪教育网版权所有B:Who is younger ? C: When is the ducks shadow longer? 21教育网(3)Read and understandA:Little duck is watching the sun go down. It is getting lower and lower, but his shadow is getting longer and longer. Tips: go down下降 lower and lower越来越低 shadow影子 longer and longer越来越长 比较级 + and + 比较级：越来越 be动词+动词ing形式：表示正在做 21cnjy世纪教育网版权所有B:“Why is that?” little duck asks his old friend Old Tree. ”You are older and smarter than me. Tell me why is my shadow longer when the sun gets lower?” Tips: smater: smart的比较级，意思是”更聪明” 【来源：21世纪教育网】C:Old tree says, “Thats easy, Little Duck. The sun goes down every day, and we grow older every day. Your shadow grows longer because you are growing taller. You are becoming a big bird!” 21世纪*教育网Tips: easy:简单的 完成1、Read and circle 1世纪教育网版权所有2、Read the dialogue again and finish the dialogue. 全班共同校对答案。Think and discuss. 思考： 当太阳变得越来越低时， 为什么我们的影子会越来 越长？ Its a natural phenomenon. 自然现象 四、Practice 211.领读Read and write 中的句子并纠正读音。2.师生互译下列句子。1世纪教育网版权所有1.）It is getting lower and lower, but his shadow is getting longer and longer.2.) Your shadow grows longer because you are growing taller.五、Consolidation and extension.活动：火眼金睛活动方式：教师为学生展示几组貌似相同的图画，要求学生找出若干不同点，并用比较级说说他们之间的不同。S1：As hair is longer than Bs hair.S2:Bs nose is bigger than As nose.S3:As leg is shorter than Bs leg.Homework: Talk about the cause of the changes in shadow with your parents.板书设计Unit1 How