九年级英语 Unit9 When was it invented.doc

九年级英语 Unit9 When was it invented
Part 1: Teaching design (第一部分：教学设计)
Structures: Passive voice (questions and statements)
Target language: When was the telephone invented?
I think it was invented in 1876.
Vocabulary: salty, sweet, sour, crispy, pleasant, potato chips, slipper, leaf, fire, scoop, light bulb, telescope, microwave oven, abacus, camera, beverage, be invented by, be used for, by mistake, by accident
Learning strategies: Brainstorming, Role playing
SECTION A
Goals
●To learn to use Passive voice (questions and statements)
●To listen, talk and read about invention
Procedures
Warming up by learn about Passive voice (questions and statements)
Passive Verb Formation
Tense
Subject
Auxiliary
Past
Participle
Singular
Plural
Present
The car/cars
is
are
designed.
Present perfect
The car/cars
has been
have been
designed.
Past
The car/cars
was
were
designed.
Past perfect
The car/cars
had been
had been
designed.
Future
The car/cars
will be
will be
designed.
Future perfect
The car/cars
will have been
will have been
designed.
Present progressive
The car/cars
is being
are being
designed.
Past progressive
The car/cars
was being
were being
designed
Pay attention to the passive voice of “give”.
Active
Professor Villa gave Jorge an A.
Passive
An A was given to Jorge by Professor Villa.
Passive
Jorge was given an A.
1a Doing group work
Look at the things on page 68. Number them in the order of their invention.
A: I think the telephone was invented before the car.
B: Well, I think the telephone was invented after the car.
Televisor
1925
John L. Baird
Scottish
A: I think the televisor was invented before the computer.
B: Well, I think the televisor was invented after the computer.
Telephone
1876
A.G. Bell
American
A: I think the calculator was invented before the plane.
B: Well, I think the calculator was invented after the planer.
1b Listening and matching
Listen to the recording and match the inventions with the dates.
Tapescript
Girl: Life must have been difficult when you were a kid.
Woman: Oh, not really. Why do you say that?
Girl: Well, you didn’t have many modern inventions. Like, you probably didn’t have a telephone, right?
Woman: Of course we did! How old do you think I am? The telephone was invented in 1876.
Girl: How about cars? I bet cars weren’t invented yet.
Woman: Sure they were. Cars were invented in 1885. My family had a car. I think you need to take a history class, Alice.
Girl: Ha, ha! Well, did you have a TV?
Woman: No, we didn’t. The TV was invented around 1927, I think. Some friends of mine had one. But in those days, TVs were really expensive, and we couldn’t afford one.
Girl: And I bet you didn’t have calculators and computers and stuff. That’s something I do know. We learned in school that hand-held calculator were invented in 1971 and personal computers were invented in 1976.
Woman: You’re right. I didn’t have those things when I was young. But I do now!
The things in the pictures were invented in the following order.
The telephone was invented in 1876.
Cars were invented in 1885.
The TV was invented around 1927.
The hand-held calculator were invented in 1971.
The personal computers were invented in 1976.
Now you are going to read the listening tapescript. Blacken the passive voice, circle all the linking words and underline all the useful expressions.
1c Doing pairwork
In pairs, one covers the dates and the other asks him when the things in the pictures on page 68 were invented. Then change roles and practice again.
A: When was the telephone invented?
B: I think it was invented in 1876.

A: When was the car invented?
B: I think it was invented in 1885.

A: When was the TV invented?
B: I think it was invented around 1927.

A: When was the hand-held calculator invented?
B: I think it was invented in 1971.
2a Listening and numbering
Next you are going to listen to a tapescript and number the inventions in the order that you hear them.
Tapescript
Boy: What are those?
Girl: They’re battery-operated slippers.
Boy: What are they used for?
Girl: They’re used for seeing in the dark.
Boy: Oh, that’s cool! Who were they invented by?
Girl: Julie Thompson. And look at this heated ice cream scoop.
Boy: I know what it’s for! It’s used for scooping out really cold ice cream.
Girl: Right. It was invented by Chelsea Lanmon.
Boy: My favorite are those shoes with adjustable heels. You know—you can move the heels up and down. They were invented by Jayce Coziar and Jamie Ellsworth.
Girl: And what are they used for?
Boy: Well, you can change the style of your shoes. You can make the shoes go from casual to dressy.
The inventions are heard in the following order.
battery-operated slippers→heated ice cream scoop→shoes with adjustable heels
2b Listening and matching
You shall listen to the recording again and match the items in the chart on page 69 in columns A, B, and C.
A: Invention
B: Who was it/ were they invented by?
C: What is it/ are they used for?
Shoes with adjustable heels
Chelsea Lanmon
Scooping really cold ice cream
Battery-operated sneakers
Jayce Coziar and Jamie Ellsworth
Seeing in the dark
Heated ice cream scoop
Julie Thompson
Changing the style of the shoes
2c Doing pairwork
Role play the conversations using the information in the chart in the middle of page 69. Pay attention to the formation of passive voice.
A: What are the shoes with adjustable heels used for?
B: They are used for changing the style of the shoes.
A: What are the battery-operated sneakers used for?
B: They are used for seeing in the dark.
A: What is the heated ice cream scoop used for?
B: It is used for scooping really cold ice cream.
3a Doing pairwork
There are two kinds of inventions. One is helpful invention, and the other is annoying invention. Now in pairs make a list of five helpful inventions and five annoying inventions.
Helpful inventions
Annoying inventions
Example: telephone
Example: alarm clock
1. plane
1. atomic bomb
2. computer
2. missile
3. bike
3. rifle
4. car
4. chemical weapon
5. train
5. alarm clock
3b Doing pairwork
In pairs discuss your opinions in 3a with your partner.
A: What do you think is the most helpful invention?
B: I think the most helpful invention is the light bulb.
A: Why is that?
B: Well, it gives people more time to work and play every day.

A: What do you think is the most annoying invention?
B: I think the most helpful invention is the atomic bomb.
A: Why is that?
B: Well, it gives people more power to kill others.

A: What do you think is the less helpful invention?
B: I think the less helpful invention is the car.
A: Why is that?
B: Well, it makes it possible for people to move to distant places faster.
4 Doing groupwork
Imagine you are left alone on a small island in the sea. If you are allowed to take five inventions along with you, what would you take?
I like to take the followings with me.
knife
flashlight
handphone
telescope
gun