人教PEP版英语九年级下册《We're trying to save the earth!》4

A. is cleaned
B. cleans
C. cleaned
D. is cleaning
Homework
1.Write a letter to the local goverment, raise the environmental problem and try to think out possible solutions . 2. 背诵2b.
1. My alarm clock doesn’t work. It needs ______.
A. to be repaired B. repair
C. to repair
D. for repairing
2. His death was _____ by a high fever.
A. spread B. caused C. got D. showed
sudden— suddenly
significant—singnificance real— reeally
relevant—relevance
brilliant— brilliance
2 Match.
Statement
The river used to be so clean.
We have seen many changes in the environment. People should take public transportation more. The river is polluted by factories. The air pollution is gett ing worse and worse.
3b
. Write a letter to the city major about the problem and your suggestions.
In your letter, describe the environmental problems in your town/city
. ① What are the problems? ② Where are they? ③ What or who is causing these problems?
1 Write different forms of the words. Then add more to each group.
adj. — n.
adj. — adv.
different— difference
slow— slowly
important—importance wide— widely
Then, give suggestions or possible ways to solve the problems.
I think that…
We should/ could…
I suggest…
• Dear Sir/ Madam,
• Environmental problems are becoming more and more serious all over the world. With the development of the society, there are too many cars on the streets in our city. Cars have made the air unhealthy for people to breathe. Black smoke and poisonous gas are given off by factories. Factories also put waste into the river. And wherever we go, we can find rubbish.
3. His mother ____ a worker in that factory.
A. used to be
B. used
C. used to being
D. used be
4. —Your classroom is very clean.
—Sure. It ________ after school every day.
Kinds of pollution noise pollution
air pollution
Ways to cut down
build airport away from places where people live encourage people to use public transportation instead od driving; reduce the number of factories that bure coal
They should close down the factories that put waste into the river.
Set up a lot of dustbins on the street. Stop people from using wooden chopsticks, plastic bowls and bags. Organize people to clean up the streets and rivers.
• I hope the problem will be solved in the near future and our home will become better and better.
1 Write different forms of the words. Then add more to each group.
water pollution
ask factories not to throw wast into the river; remind people not to litter
land pollution
ensure that factories throw away industrial wast in a responsible way;try not to use plastic bags when shopping
人教PEP版英语九年级下册
《We're trying to save the earth!》4
• 本PPT适用于多媒体教学、课堂PPT 教学演示、课前备课。
Discussion
• .What should we do to help save the earth?
Discussion
• .What should we do to help save the earth?
Grammer Present progressive Modal verbs
Passive voice
used to
Present perfect
3. write ways to cut down on these kinds of pollution.
Kinds of pollution
Ways to cut down
• Now more and more people have realized these problems. I think that governments should close down the factories and develop laws to stop people from driving cars every day. I suggest everyone in this town should help to clean up the river and the streets. We should call on everyone in the town to throw rubbish in the dustbins.
Turn off the lights when we leave a room.
Take oubike. Recycle paper. Don’t use paper napkins.
Discussion
• .What should government do to help save the earth?
v. — n.
n. — adj.
pollute— pollution act— action protect— protection inspire— inspiration build— bulding create— creation
fame— famous wood— wooden science— scientific health— healthy south— southern harm— careful
3a
Which parts of the town/ city have a nice environment? Why are they nice? Which parts need to be improved? Why?
.
Why
Good environment
Bad environment Why