UNIT9Whenwasitinvented？.doc

课堂教学设计
班 级
Class 3,11 Grade 9
科目
English
授课人
Sun Xuxia
授课时间
The 13th week
课 题
Unit 9 When was it invented?
课 型
New Lesson
课 时
The First Period
总 课 时
41

学习目标
1．Knowledge Objects
（1） Key Vocabulary invent
（2） Target Language
When was the telephone invented?
I think it was invented in 1876．
2．Ability Objects
（1） Teach the students to use the new words．
（2） Train the students to talk about the history of inventions．
（3）Train the students’ listening and speaking skills with the target language．
3． Moral Objects
Many important inventions have changed the world a lot． Do you know the inventors of them? And when were they invented?

学习重点
----When was (the telephone ...) invented?
----I think it was invented in ...
----I think (the telephone ...) was invented before / after ...
----Who was 1. Brainstorming

学习难点
----I think (the telephone ...) was invented before / after ...
----Who was it / were they invented by?

指导学
生自学
的内容
及方法
设计
1. Brainstorming
2. Role playing
Ask the students to explain in their own words the words in Section A in the workbook.
Ask the students to play a card game to help them remember the new vocabulary of this unit.
Ask one student to come to the front to do a blind taste test.
Show a bag to the students.

学生自
主学习
时，教
师的活
动设计
T: Look, there are 4 kinds of food in it. I will let one of you come to the front and taste them. But I will use a piece of cloth to cover his or her eyes.
After tasting, he or she has to tell how each food tastes and what food it is. Are you clear? Sophie, please.
Cover Sophie’s eyes and give her the food one by one. Sophie tastes each food and tries to guess what it is.
S: It is sweet. I think it is an apple.
自学效果检查及设计
Point to each picture and let the students tell what it is．
Write the names of the five inventions on the blackboard．
computer, car, calculator, telephone, TV set
Have several different students guess and write the dates on the board．
Ask the class to repeat the questions and answers like this．
T: When was the computer invented?
Class repeat．
SS: When was the computer invented?
T: Good． Now Tom, what is your guess?
S1: 1965．
T: OK． Tom, repeat after me． The computer was invented in 1965．
T: Class, please repeat．
SS: The computer was invented in 1965．
Repeat the process with several different inventions．
Tell the children that they will find out the real dates after they complete the lesson．
After that, ask the students the questions below:
Questions:
1． Which one do you think is the oldest?
2． Which one is the newest?
3． Which one do you think is the oldest or the first invention?
4． Which one is the newest or last invention?
Ask different students to answer the questions．
Have the students look at the example conversation in the box． Ask two students to read this conversation to the class．
A: I think the telephone was invented before the car．
B: Well, I think the telephone was invented after the car．
Read the instructions again to the students． Remind them to remember the inventions from first to last．
Then have the students talk about the five inventions in groups of four, using the sample conversation as a model．
Ask several groups to tell the class their answers． The rest of the class listen to them and show they have different answers by raising their hands．
In the next activity you will find out the real dates．
师生互动学习内容、过程、方法设计
T: Do you enjoy the food? Now you can take off the cloth.
The last one is Pizza, which is popular with westerners.
You can take it with you and go back to your seat.
Thank you.
课堂练
习设计
一、写出下列单词：
1. Who _______ the telephone? ( 发明)
2. When was the car ________? (发明)
3. It ______ _______ _______ scooping really cold ice cream. (被用来……)
4. What do you think is the most _______ invention? (令人烦恼的)
5. The potato chips were invented _________ ______. (错误地)
6.Basketball is ______ (喜欢) by all the people.
二、句型转换：
1.We clean our classroom twice a day.（改为被动语态）
Our classroom _______ _______ twice a day.
2.The telephone was invented by Bell.（对划线部分提问）
______ _______ the telephone ________ by?
3.Is the song sung by Sun Nan? （改为主动语态）
______ Sun Nan _______ the song?
2. The boss made the workers work 12 hours a day. （改为被动语态）
The workers _______ _______ _______ ________ 12 hours a day by the boss.
3. Keys are used for locking doors. （对划线部分提问）
_______ _______ leys _______ for?
三、用所给单词的适当形式填空：
1.Edison was a great _______. He ______ a lot of useful things . He had over 1,000 _______ during his life.(invent)
2.We use pens ______(write)
3.A sweater is used for ______(keep) warm.
4.Jim was seen _______(go) out of the room.
5.Today nylon can ______(find) in many things.
练习反馈
学生初次学习被动语态,做相关的题还不是很熟练
本节小结
In this class, we’ve learned to talk about the history of inventions with passive voice． We’ve also done some listening practice in understanding the target language in spoken conversation． And we’ve done much oral practice, using the target language．
课后作业
1． Write out two conversations in Activity 1a．
2． Write out two conversations in Activity 1c．
预习作业
3a

教后反思

存在问题:
学生初次学习被动语态,课堂对话练习活动进行的很顺利,但是做相关的课堂练习题还是不大熟练

补救措施:
设置更多的课堂活动,小组练习讨论被动语态与主动语态的转化,多做多练,融会贯通.直到达到预期的教学效果