Unit 13 We're trying to save the earth. Section B 3a-Self Check 课件【人教2024秋九全英语】

(共23张PPT)
（人教新目标版）九年级全
Period 6 Section B 3a-Self Check
Unit 13
We’re trying to save the earth!
Learning objectives
Key words & phrases：
need to be improved，cause the problem，is getting worse and worse
Key sentences：
1.The river used to be so clean.
2.We have seen many changes in the environment.
3.People should take public transportation more.
4.The river is polluted by factories.
5.The air pollution is getting worse and worse.
Key structure：
Review present progressive，modal verbs，passive voice，used to，present perfect tense
What are the problems
noise pollution
air pollution
water pollution
land pollution
...
What caused the problems
People..., Factories..., Cars...
What to do to solve the problems
Government should ..., everyone should...
Lead in
problem
cause
what to do
70 million sharks are caught and traded each year.
The numbers have fallen over 90% in the last 20 to 30 years.
shark fin soup
Governments develop laws to stop the sale of shark fins.
Lead in
What can we do to save the earth
1. stop riding in cars
2. recycle books and paper
3. turn off the lights when you leave a room
4. turn off the shower while you are washing your hair
5. don't use paper napkins
...
small things in daily life
Rethink, Reuse, Recycle!
Nothing is a waste if you have a creative mind.
Lead in
Think about the environment in your town / city and complete the chart below.
· Which parts of the town / city have a nice environment Why are they nice
· Which parts need to be improved Why
3a
P103
Pre-writing
Good environment why Bad environment why
Central Park
·clean
·greenery
·fresh air
·nice to look at
·quiet and peaceful
Rubbish
disposal areas at the bottom of
apartment
block(公寓垃圾堆放区域)
·rubbish spilling out of bins
·bad smells
·unsightly
·unhealthy
·full of pests
(害虫)
Possible answers
Pre-writing
Write a letter to the city mayor about the problems and your suggestions.
In your letter, describe the environmental problems in your town / city.
· What are the problems
· Where are they
· What or who is causing these problems
· What methods can we take to solve these problems
…
3b
While-writing
☆ pollute ☆ pollution ☆ harm
☆ harmful ☆ recycle ☆ cause
☆ protect ☆ save ☆ waste
☆ gas ☆ rubbish ☆ smoke
★ as is known to all ★ as we know
★ in this way ★ be bad for
★ pay attention to ★ care about
★ for example ★ give up
★ throw away ★ instead of
★ take in ★ give off (散发)
★ in order to ★ take action
★ make a difference ★ in one's opinion
★develop a habit of ★ take steps
While-writing
Step 1 Structure. (理清大体结构)
Para. 1
Para. 2
Para. 3
General introduction: Problem(s).
Cause and effect.
Possible solutions. (What to do)
Para. 4
Wishes.
Beginning
Body
Ending
While-writing
Step 2 Make a draft. (打草稿)
There are some areas that aren't attractive, like the rubbish disposal areas at the bottom of our apartment blocks. There is rubbish coming out of the bins, and flies and rats running all over the rubbish. It is unpleasant to look at, smelly, and it makes the environment very unpleasant.
The rubbish collectors do not come often enough to collect the rubbish. People living here may also be throwing away too much rubbish.
We should ask people to produce less rubbish. Rubbish collectors collect rubbish more often.
I believe that a better environment can be created in this town.
While-writing
Step 3 Polish the sentences. (美化句子)
1. There are some areas that aren't attractive.
My town used to be as beautiful as a park. There are beautiful areas in this town, but there are also areas that aren't attractive.
2. We should ask people to produce less rubbish. Rubbish collectors collect rubbish more often.
We could try to ask people to produce less rubbish. I suggest that rubbish collectors collect rubbish more often as well.
While-writing
Step 4 Transitional phrases or sentences. (过渡)
My town used to be as beautiful as a park. There are beautiful areas in this town, but there are also areas that aren't attractive, like the rubbish disposal areas at the bottom of our apartment blocks. There is rubbish coming out of the bins, and flies and rats running all over the rubbish. It is unpleasant to look at, smelly, and it makes the environment very unpleasant.
The rubbish collectors do not come often enough to collect the rubbish. People living here may also be throwing away too much rubbish.
We could try to ask people to produce less rubbish. I suggest that rubbish collectors collect rubbish more often as well.
I believe that a better environment can be created in this town.
I think
The problem is there not only because
and we should all work together to achieve it.
Step 5 注意书信的格式。
Dear Sir/ Madam,
I have lived in this town ever since I was born and I love this town very much.
My town used to be as beautiful as a park. There are beautiful areas in this town, but there are also areas that aren't attractive, like the rubbish disposal areas at the bottom of our apartment blocks. There is rubbish coming out of the bins, and flies and rats running all over the rubbish. It is unpleasant to look at, smelly, and it makes the environment very unpleasant.
While-writing
The problem is there not only because the rubbish collectors do not come often enough to collect the rubbish. People living here may also be throwing away too much rubbish.
We could try to ask people to produce less rubbish. I suggest that rubbish collectors collect rubbish more often as well.
I believe that a better environment can be created in this town and we should all work together to achieve it.
Yours faithfully,
Wang Xi
While-writing
1. Write different forms of the words. Then add more to each group.
v. – n.
pollute —
act —
protect —
inspire —
build —
create —
n. – adj.
fame —
wood —
science —
health —
south —
care —
pollution
action/actor
protection
inspiration
building
creativity
wooden
scientific
healthy
southern
careful
famous
P104
Self Check
adj. – n.
different —
important —
adj. – adv.
slow —
wide —
sudden —
real —
difference
importance
slowly
widely
really
suddenly
Self Check
2. Match each statement to the correct grammar structure.
Statement Grammar
The river used to be so clean. Present progressive
We have seen many changes in the environment. Modal verbs
People should take public transportation more. Passive voice
The river is polluted by factories. Used to
The air pollution is getting worse and worse. Present perfect
Self Check
3. Write ways to cut down on these kinds of pollution.
ask factories not to throw waste into the rivers; remind people not to litter
ensure that factories throw away industrial waste in a responsible way; try not to use plastic bags when shopping
build airports away from places where people live
encourage people to use public transportation instead of driving; reduce the number of factories that burn coal
Kinds of pollution Ways to cut down
water pollution
land pollution
noise pollution
air pollution
Possible answers:
Self Check
Can you write a letter to the city mayor about the problems and your suggestions
Self-evaluation
Polish your letter.
Homework