冀教版七年级下册英语 Unit 3 School LifeLesson 17 School Science Fair 教案

Lesson 17 School Science Fair
一.Teaching content
1. New words: prize,video,visitor,piece
2. Some useful expressions: a piece of,be interested in,different kinds of,win first prize.
二.Teaching aims
1.To find out different tenses we have learned in the dialogue.
2.To learn some key words and expressions.
3.Let the students know what a science fair is.
三.Key point: Master the new words and the phrases.
四.Difficult point: Use the key words and phrases.
五.Type of the lesson: New lesson
六..Teaching procedure
Warming up
1. Greet the class in everyday English they have learned and make sure they can respond in correct way. .
New lesson
Step1. Lead in:What is a science fair ? Play a video about science fair.
Teach and read new words.Check the new words and phrases.
Step2.
Listen to the tape and answer the some questions.
Fast梤eading : Read the text
Give students four minutes to prepare for role play.Find two groups of students to play roles.
Step3. The language points:
1.I hope to win first prize.我希望得第一。
win first prize 意为“赢得一等奖”，同义短语为 take the first place/get the first place。
Eg：He won first prize.=He toke/got the first place.他得了第一。
2.Don’t worry Jenny.别担心，詹尼。
此句是由“don’t+动词原形”构成的祈使句，用来表示请求、命令等。
Eg：Don’t be careless.别粗心！
3.You will do a great job! 你会做得非常棒！
常用来表示表扬或鼓励。还可使用“Well done!”“Excellent!”
Job 工作，零工 可数名词 Eg：He wanted a job.他想要一份工作。
Work 工作 不可数名词 Eg：I cannot find work in this town.我在这个镇里找不到工作。
解析job与work
4.I am really interested in this subject.我真的对这个话题感兴趣。
Be interested in 意为“对… …感兴趣”。
Eg：I am interested in English.我对英语感兴趣。
解析：interesting, interested和interest
interest 用作不可数名词时意为“兴趣, 关心, 重要性, 影响, 利息,利益, 利害”。用作动词时意为“使发生兴趣，引起...的注意”，其主语多为事或物。
eg：I have no interest in your plan。我对你的计划没有兴趣。
interesting 形容词 主语通常是物。可以作表语，也可以作定语。
eg：1.The book is very interesting.
这本书很有趣．（表语）
interested 形容词 意为“感兴趣的”；“对……感兴趣”，主语通常是人，且多用于be / get / feel / become interested in结构中。
a. be interested in sth.对某事感兴趣
b. be interested in doing sth. 对做某事感兴趣
eg：He is interested in the film。
他对这部电影感兴趣。
5.I have a small piece of old silk.我有一小块旧丝绸。
a piece of 一张/片/块
piece of 几张/片/块
Eg：Would you like another piece of bread?你想再吃片面包吗？
I need ten pieces of paper.我需要十张纸。
6.I will make ten different kinds of donuts.我将要做十种不同的面包圈。
different kinds of 意为“不同种类的”。
Eg：We have different kinds of books.我们有不同种类的书。
Step5. Practice
Group A
①Jack had _________bread and a glass of milk for breakfast.
A. two piece of　 B. two pieces
C. two piece D. two pieces of
② I’m ______ in the ______ movie.
A. interested; interested B. interesting; interesting
C. interesting; interested D. interested; interesting
③ I am interested in ________ (learn) English.
Answer：D,D,learning
Group B
你准备好开会了吗?
______ you ______ ________ the meeting ?
约翰对这个电影感兴趣。
John _____ ______ ______ the film.
Answer：Are ready for is interested in
Step6 Summary
Sum up the text what we learned,the new words,phrases,and sentences.
Sum up the grammar.
Sum up the text what we learned,the new words,phrases,and sentences.
Sum up the grammar.
Step7. Homework
1.Remember the key words and phrases.
2.Complete the exercise book.
3.Preview lesson18