第四单元Vocabulary公开课教案
［设计理念］
新课程标准倡导：英语教学的目的是培养学生运用语言进行交际的能力，为用而学，以任务为中心的任务型语言教学是目前交际教学思想中的一种新的发展形态。在设计本节课时，在设计任务是，我把重点放在了创设情境，提高学生的口语表达上，让学生愿说、多说，善说。
［教材分析］
学习有关人物特点的单词：tall, thin, short, heavy, calm, wild, long hair, short hair, outgoing, quiet, funny, serious, smart, athletic, etc
形容词的比较级和最高
［教学目标］
1、谈论学生感兴趣的话题，指导学生学习有关人物特点的单词、人物比较的表达及语法知识点“形容词的.比较级和最高级”。
2、培养学生的口头表达能力、阅读理解能力和写作能力。
［教学过程］
Step 1 Lead-in
T：I have a brother. Can you guess what he looks like and what he is like? (Show them the pictures.)
S：He is tall. /he is heavy. / he has long hair./he is easygoing./…(Students use their imagination and express themselves freely.)
T：Let’s look at our photos. Please talk about us.
S：He is taller than you. /He has shorter hair than you. /He is heavier than you. T：I’m more outgoing than my brother.［ 1、平时师生间接触多，但学生与老师的家人接触甚少，利用学生的心理和想象空间，调动学生的学习兴趣，增进师生间的相互了解。
Step 2 Revision
1、Revise the adjectives describing people’s appearance and personalities:
Divide the class into four groups and have a competition. See which group of the students can get as much as possible. Write down on a piece of paper prepared before class. (Students must collect them before class.)
2、Show some photos about famous persons and talk about their personal traits, using description words, such as short hair/long hair, curly hair/straight hair, tall/short, heavy/thin, funny/serious, outgoing/quiet, smart/foolish, beautiful/ugly, intelligent/lazy, friendly/unfriendly …etc, on the screen.
Step 3 Presentation
1、Learn some new words about personal traits: calm/wild, athletic/weak，using the pictures of 3 pairs of twins in Section A.
T: Who is calmer, Tom or Sam?
S: Tom is calmer than Sam. Sam is wilder than Tam.
Tom is more athletic than Sam. Sam is weaker than Tom.
2、Do Section A-1a.Match each word with the opposite. Check the answers.
3、Get students to introduce the rules of the comparative and superlative degrees of adjectives.(Show them on the screen.)
［1、充分利用课本资源和网络资源，进行词汇教学，词不离句，形散而神不散。
Step 4 Listening
1、Listen to the tape and number the pictures in 1b.
2、Listen to the tape and complete the chat in2a. Listen again and fill in chat in 2b.
3、Check the answers.
Step 5 Practice
Task 1: Interview famous persons（Pair work）
1、Demonstrate the activity with one student. (Imagine he/she is a famous person. The teacher acts as a reporter.)
eg.T: Hello, Susan. May I ask you some questions about your family?
S: Yes.
T: Do you have a brother or a sister?
S: Yes, I have two brothers and one sister.
T: Who is taller, your sister or you?
S: I’m taller than my sister.
T: Who is the most athletic of you?
S: My oldest brother.
(Show an example on the screen.)
2、Ss work in pairs. Then ask some pairs to act them out in class.
Task 2: Public vote （Group work）
1、Divide the class into 4 groups and then work in groups. Fill in the chat.
In class Name
Who is the tallest?
Who is the shortest?
Who is the heaviest?
Who is the thinnest?
Who is the most outgoing?
Who is the most athletic?
…
2、Each group choose one student to do a report. Show the results in class.
Task 3: Super star (Individual performance)
T: Suppose you are a super star in the future. What will you look like and what will you be like?
S: I’m better than now, of course.
1、Show an example on the screen:
I want to be a super star. Now I’m tall. Later I’m taller. Now I’m a middle school student. Later I’m a college student.…
2、Get Ss to design their future and have a free talk.
3、Ask some Ss to share with others.
Step 6Readingand Writing
1、Teach “look the same”、“look different”、“ be as good as”、“be not as good as”、“a little”，using some pictures and comparing some Ss in class.
2、Ss read the article. Then read the statements (1-5) about the article. Write “T”、“F” or“DK”.
3、Check the answers. (Ask Ss to give reasons.)
4、Ask Ss to write another letter.
T: You are Isabel now. Write a letter to reply Liu Li. Talk about the same and different between you and one of your friends.
5、Choose two or three to share the replies with the whole class.