教学设计Unit 9 When was it invented？

Unit 9 When was it invented？
中卫市海原县三河中学陈冲
邮编：755200 一，教学目标
1, 知识与技能：
Key words.
Understand and use the Passive Voice well.
2，过程与方法：
Talk about the history of inventions and give their own ideas
Train students speaking, writing, listening and reading skills.
3，情感，态度与价值观：
The cultivation of students' innovation ability and desire.
二，教学重点: The Passive Voice
三，教学难点：Understand and use the Passive Voice well.
四，教学方法：Pairwork Groupwork Coopration
五，教学准备：Multimedia
六，教学过程：
StepⅠ.Lead in.
Say:We have inventions everywhere . Inventions make us live easily and happily. Without inventions,our lives will be much more difficult. Today,we will know about a few inventions and talk about the history of them.
StepⅡ.Practice
Show the pictures of inventions on the screen:a car,a Tv set, a telephone, a calculator ,a computer, shoes, slippers and a scoop.
Make a coversation with a student.
T: What is it/are they?
S: It is /They are ….
T:Who was it/were they invented by?
S:It was/They were invented by ….
T:When was it/were they invevted
S It was/They were invented in ….
T:What is it/are they used for?
S:It’s/They’re used for….
Then work in pairs.
Check them by calling some pairs act the conversations out to the class.
Ste pⅢ. Practice.
Show another pictures of inventions on the screen:potato chips, tea, flying disk.
Make a coversation with a student.
T: What is it/are they?
S: It is /They are ….
T:Who was it/were they invented by?
S:It was/They were invented by ….
T:When was it/were they invevted
S:It was/They were invented in ….
T:How was it/were they invented?
S: It was/They were invented ….
Then work in pairs.
Check them by calling some pairs act the conversations out to the class.
Show the three group of pictures of inventions on the screen:abacus,umbrella,binoculars,camera and bicycle.
Let students make conversations according to the information of screen. Check them by calling some pairs act the conversations out to the class.
Ste pⅣ.Game
Think of something that you don’t like doing. And think of an invention that can help you. Write the details in the chart.
Problem: writing tests
New invention: a pen that listens and writes
Use: listen and write instead of you
Price: 100 yuan each
Try to sell your partner’s invention to the class.
Model
A: This special pen was invented by Zheng Jie. It has three colors and it is used for …
Students work in group of six.When they finished ,call some students say their inventions. Then do a servey “How many students want to buy your inventions?” Give a medel to a winner.
Ste pⅤ.Exercise
I. 请把下列主动句变为被动句:
1. They produced that kind of car.
2. The workers built a bridge over the river.
3. Mother tells me a story every day
II. 用所给动词的适当形式填空：
1. The TV ___________ (invent) around 1927.
2. They are used for ______ (see) in the park.
3. This kite _________ (make) by Uncle Wang.
4. Tea _____________ (discover) a long time ago.
5. Our classroom ________________ (should clean) every day.
III. 根据汉语完成句子：
1. ______ ____ the computer ________ (什么时候发明的)？
2. ____ was the car ________ ___ (谁发明的)？
3. A pen ___ ____ ____(用来做) writing.
4. What do you think is ____ _____ _______
_________ (最有帮助的发明)？
5. He said the fish was ____ ______ (足够咸)。

做中考题体会被动语态用法
Ⅳ. 单项选择。

1. If the question ______ incorrectly,
______ question will be given to
you.
A. is answered; other
B. answers; other
C. is answered; another
D. answers; another (2009贵州安顺)
2. It is reported that more new teaching buildings ______ in our school in
the next term.
A. will be built
B. was built
C. has built
D. will build (2009 四川绵阳)
3. Don’t discuss the problems with your partner unless you ______ to do so.
A. ask
B. are asked
C. will ask
D. will be asked (2009江苏常州)
4. The new bridge in Wenchuan ______ last month. Now it’s easy to go to
the city center.
A. built
B. was built
C. has been built
D. were built (2009 山东东营)
5. A number of new houses ______ in Wenchuan last year.
A. built
B. are built
C. were built
D. will be built (2009湖北恩施)
6. Don’t put off today’s work for tomorrow. I mean, today’s work ______ today.
A. may do
B. must do
C. may be done
D. must be done (2009河北省)
7. —Would you like to go to the movie with me?
—Sorry, I ______ to go out tonight.
A. won’t be allowed
B. am allowed
C. don’t allow
D. will allow (2009浙江湖州)
8. —Did you go to Jim’s birthday party?
—No, I ______
A. haven’t invited
B. didn’t invite
C. am not invited
D. wasn’t invited (2009浙江宁波)
9. The girl was often heard ______ happily in her room.
A. sing
B. to sing
C. singing
D. sings (2009江苏宿迁)
II. 句型转换。

每空一词。

1. More and more foreigners speak Chinese in the world now. (改为被动语态) Chinese ______ ______ by more and more foreigners in the world now. (2009 贵州安顺)
2. You must throw the broken pottery away at once. (改为同义句)
The broken pottery ______ ______ ______ ______ at once.
(2009广东广州)
3. Students can’t take magazines out of the reading room without permission. (改为被动语态)
Magazines can’t ______ ______ out of the reading room without permission. (2009甘肃兰州)
4. We may put the flowers in the classroom. (改为被动语态)
The flowers may ______ ______ in the classroom. (2009 山东临沂)
板书设计
Unit 9 When was it invented？
T: What is it/are they?
S: It is /They are ….
T:Who was it/were they invented by?
S:It was/They were invented by ….
T:When was it/were they invevted
S It was/They were invented in ….
T:What is it/are they used for?
S:It’s/They’re used for….。