Unit 8 A green world Task：Going green 课件（21张PPT;无音频）

(共20张PPT)
Unit8 Task
Going green
Our environment is changing for the worse.
The earth is in trouble. It's time for us to go green.
What's behind the video What does it indicate(表明)
How can we go green
Task1:
protect the environment
Task2:
Read Part A on Page 118 and ask some questions.
How many ideas does it mention to go green What are they
save power
reduce pollution
develop a green lifestyle
What can we do to save water
Take shorter showers.
Turn off the tape when we brush teeth.
Reuse water if possible.
What can we do to save power
Turn off the lights when we leave a room.
Turn off the power when our TV or computer is not in use.
What can we do to reduce pollution
Do not use plastic bags. Take our own bags when shopping.
Separate waste into different
groups.
What else can we do to develop a green life
Do more exercise and watch less
TV.
Plant some flowers at home.
Task3: finish Part B according to the information in Part A.
Our environment is changing for the worse, so it is time for us to
(1) ________. Here are some simple steps to take.
We can save water by taking (2) ______________ and turning off
(3) ________ when we brush our teeth. We should also
(4) __________ if possible. In order to save power, we should (5)_________________ when we leave a room. We should also turn off the power when our TV or computer is (6)_________.
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 (7)___________. Instead, we should take
(8) _____________ when shopping. 　
Recycling is also a good way to help reduce pollution. We should separate (9)_______ into different groups so that it can be recycled.
Moreover, it is important for us to develop a green lifestyle. We should (10)_______________ and watch less TV and it is good to (11) ________________ 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 some flowers
Our environment is changing for the worse, so it is time for us to go green.
Here are some simple steps to take.
We can save water by taking shorter showers and turning off the tap when we brush our teeth. We should also reuse water if possible. In order to save power, we should turn off the lights when we leave a room. We should also turn off the power when our TV or computer is not in use.
Some other good habits can help reduce pollution too. We should not use plastic bags. Instead, we should take our own bags when shopping. Recycling is also a good way to help reduce pollution. We should separate waste into different groups so that it can be recycled.
Moreover, it is important for us to develop a green lifestyle. We should do more exercise and watch less TV and it is good to plant some flowers at home.
Follow these small steps, and you can make a big difference to the Earth!
Task4: Analyze the article（分析）
1. Clear structure
save water
save power
reduce pollution
develop a green lifestyle
Our environment is changing for the worse, so it is time for us to go green.
Follow these small steps, and you can make a big difference to the Earth!
1. Time order （时间顺序）
Organizng your ideas:
2.Space order （空间顺序）
3.General to specific（演绎顺序）
4. specific to general（归纳顺序）
2. Good sentences
(1) Our environment is changing for the worse,
so it is time for us to go green.
(2) We should separate waste into different groups so that
it can be recycled.
(3) Follow these small steps, and you can make a big
difference to the Earth!
......
Good sentences can make our writing vivid(生动的).
A.
Our environment is changing for the worse.
It is time for us to go green.
B.
Our environment is changing for the worse,
so it is time for us to go green.
3. Suitable transitions（合适的过渡）
Transitions can make our writing coherent(连贯的).
Our environment is changing for the worse, so it is time for us
to go green. Here are some simple steps to take.
We can save water by taking shorter showers and turning off the tap when we brush our teeth. We should also reuse water if possible. In order to save power, we should turn off the lights when we leave a room. We should also turn off the power when our TV or computer is not in use.
Some other good habits can help reduce pollution too. We should not use plastic bags. Instead, we should take our own bags when shopping.
Recycling is also a good way to help reduce pollution. We should separate waste into different groups so that it can be recycled.
Moreover, it is important for us to develop a green lifestyle. We should do more exercise and watch less TV and it is good to plant some flowers at home.
Follow these small steps, and you can make a big difference to the Earth!
Circle the transitions （过渡）
Task5: writing
You are also going to give a presentation on how to go green. Write your article according to your mind map.Here are some tips.
1. Clear structure: at least three paragraphs.
2.Organize your ideas: General to specific
3. Correct tense: the simple present tense
4. Good sentences
5. Use some suitable transitions
5.Useful expressions
(1) It is time for us to ….
(2) We can save water by ….
(3) We should use/ take ….
(4) … is a good way to ….
(5) It is important for us to ….
(6) It is good to ….
(7) Moreover, ….
Task6: Post-writing
Exchange your writing with your partner and have an evaluation(评价）.
At the same time , please underline good sentences and mark the false ones.
article structure (3 points)
nice sentences (4 points)
transitions between ideas (4 points)
grammatical use (5 points)
spelling & punctuation (4 points)
Your comments:____________
Grading standards
Have an evaluation
Homework:
1.Read your writing again and improve it.
2.Make a poster with your writing.