资源简介

(共17张PPT)
（外研版）七年级
上
Developing ideas
(Listening and speaking)
The power of plants
Unit 5
After this class, we will be able to:
1. master listening skills to listen for numbers.
2. get some information about corn by listening.
3. use sentence patterns to ask for and give permission in a polite way.
Learning Objectives
What plants can you see in the pictures
Rice
Wheat
Corn
How do you usually eat them
/wi t/
rice noodles
oatmeal/ tmi l/
corn pancake
Rice, wheat and corn are the world's top three food plants. People around the world eat them in different ways. For example, rice noodles in East Asia, bread in Europe and tacos in the Americas.
There is a vlog about corn.
Let's listen to learn.
视频博客
/ t k z/墨西哥卷饼
Lead-in
Jason is a vlogger.
He is taking a vlog about the Sweet Corn Festival.
Look and say.
2. What is he doing
Pre-listening
1. What festival is it
视频博主
The Sweet Corn Festival.
Listen to the opening of the vlog. What is Jason talking about
1
While-listening
P85
Listen again and complete Jason's notes for the vlog.
2
40
9,000
cooking
600
culture
Learning to learn
Listening for numbers When listening for numbers, pay attention to words and expressions like nearly, about, over, and more/less than. They usually come before numbers.
Learning to learn
（谷类植物的）穗
While-listening
几乎
大约=around
超过=more than
超过/少于
Listen and choose.
1. How long is the biggest corn
A. Nearly 40 centimeters long. B. 400 centimeters long.
C. 40 meters long.
2. When did people start growing corn in Mexico
A. 900 years ago. B. Around 9,000 years ago.
C. 90 years.
3. How many corn dishes are there now
A. Over 60. B. Less than 600.
C. More than 600.
=over
=about
tea
health
traditional
(尤指谷类、果实和种子的) 外壳，外皮
Listen to the conversation and complete the sentences.
3
make
What are the parts of an ear of corn
Corn has different uses to people.
What are they used for
Ask for permission.
Give permission.
Can you find more ways to ask for permission and give permission
Listen again. Then talk about how people ask for and give permission.
Think and say.
Why does Jason ask for permission like this
It is polite.
Ask for permission:
Can I try the taco
May I...
Give permission:
Sure.
Certainly!
Look and say.
What plants are in this picture
rose cotton bamboo
What can we do with these plants
Work in pairs. Act out a conversation about the uses of a plant.
This is a rose. We use it for rose tea.
That’s true. We can also use beautiful roses to make our houses beautiful.
What about cotton
We can use it to make clothes and oil.
It's amazing! Could you tell me the uses of bamboo
Sure. It's pandas' favourite food. We can also use it to build houses.
Plants are useful to people.
Listen and repeat.
mistake awake change rain
night guy climate rise shine
join destroy
Discuss different uses of some plants and think about how we can make full use of them.
Homework

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