Unit 8 A green world Task：Going green 课件（27张PPT）

Unit 8 A green world
Our environment is changing for the worse.
The earth needs us!
It is time for us to go green!
protect the environment
a pro-environment guardian
Let’s try to be
The Class1, Grade 8 students are going to give a presentation on how to go green. Here are Millie’s ideas. Read her notes on P118.
What can we do to:
save water
save power
reduce pollution
live a green
lifestyle
1. Take ____________ showers
2. __________ the tap when we brush our teeth
3. __________ water if possible
1. Turn off the lights when we _________
____________
2. Turn off the power when ____________
____________
____________
1. Do not use ____________.
Take ________
____________ when shopping
2. Separate _____________
into different
groups
Do _______
____________
and watch
_____________
2.
_____________
_____________
at home
shorter
Turn off
Reuse
leave a
room
our TV or
computer
is not in use
plastic bags
our
own bags
waste
more
exercise
less TV
Plant more
flowers
Millie is writing the script for the presentation. Help Millie complete her script. Use the information on Page 118 to help you.
Our environment is changing for the worse, so it is time for us to ________. Here are some simple steps to take.
We can save water by taking ______________ and
turning off ________ when we brush our teeth. We should
also __________ if possible. In order to save power, we
should _________________ when we leave a room. We
should also turn off the power when our TV or computer
is ___________.

go green
shorter showers
the tap
reuse water
turn off the lights
not in use
Some other good habits can help reduce pollution too.
We should not use ___________. Instead, we should take
_____________ when shopping. Recycling is also a good
way to help reduce pollution. We should separate _______
into different groups so that it can be recycled.　
Moreover, it is important for us to develop a green lifestyle. We should ________________ and watch less TV and it is good to __________________ at home.
Follow these small steps, and you can make a big difference to the Earth!
plastic bags
our own bags
waste
do more exercise
plant more flowers
What makes a good article?
A clear ________
Rich
_______
Good ______
language
structure结构
contents 内容
A good article
Para. 1
Para. 2
Para. 3
Para. 4
Para. 5
Introduce the topic.
Topic
sentence
Details
Topic
sentence
Details
Topic
sentence
Details
Topic
sentence
Details
What we can do to go green.
The meaning of going green
Tip1: Don’t forget to use transitions to help the reader understand the relationship between the ideas better.
Practice (仿写): You want to give a talk on how to go green about clothing. Rewrite the following supporting details and add proper transitions(连接词).
When we buy clothes, we shouldn’t buy
unnecessary clothes. We shouldn’t buy
clothes made of animal fur. We can donate
our old clothes to people in need.
One possible
version
When we buy clothes, we should _________
____________________________________
____________________________________
____________________________________
____________________________________.
not buy unnecessary clothes.
Moreover, we shouldn’t buy clothes made of animal fur. We can also give our old
clothes to people in need.
Group work
A good article
Tip2: 1. Think about some main points .
2. Write one or two sentences to support each main point.
Practice (仿写): You want to give a talk on how to go green about food. Write the topic sentence.
_________________________________.
When we cook meals at home, we should
cook as much food as we eat.
When we eat in a restaurant, we had better
eat up all the food. It’s also good to bring
the left-overs home.
One possible
version
We can reduce the waste of food
Group work
Practice (仿写): You want to give a talk on how to go green about housing(住). Write 2-3 supporting details.
When we are at home, we can _________
__________________________________
__________________________________
__________________________________
One possible
version
reuse water if possible.
We can also
turn off the light when we leave a room.
Moreover, we can watch less TV.
Group work
A good article
Tip3: We can use different expressions to express our ideas.
Don’t/Try not to…
We can save … by …
In order to…, we should (not)/
We’d better (not)…
It’s a good way to ….
It’s important/necessary …to do sth.
It’s time for us to do sth.
Follow these small steps, and you can make a big difference to…
Practice (仿写): You want to give a talk on how to go green about travelling. Write 2-3 supporting details. Don’t forget to use different expressions.
When we go travelling, _______________
__________________________________
________________________________
__________________________________
One possible
version
we had better
ride a bicycle or walk instead of driving.
It’s also a good idea to take public
transport, such as bus or underground.
Group work
Topic
Details
Clothing
1. ……
2. ……
Food
……
……
Housing
1. ……
2. ……
Travelling
……
……
Our environment is …
It’s time for us to ...
Follow these small steps, and we can …
Assessment table
Points
A clear structure
(结构)
Include 6 paragraphs (2’)
Use proper transitions (2’)
Rich contents
(内容)
State clearly and properly what we can do to go green (8’)
Good language
(语言)
Express your ideas in different ways (2’)
Use the first person and the simple present tense (2’)
Others (书写)
Correct words, capital/small letters &punctuation (2’)
Beautiful and tidy handwriting (2’)
1
2
Homework