(共37张PPT)
Unit 13 We're trying to save the earth.
人教新目标版 九年级上
Section B3a-Selfcheck
写作优质公开课课件
Learning objectives
1. 能掌握描述环境问题、提建议的核心词汇（如 pollution, suggest 等）和句型（如 We should... I suggest...），明确书信格式与“述问题 - 析成因 - 提建议”的写作逻辑。
2. 能完成3a图表，描述本地环境状况；能运用所学完成3b给市长的环保建议信，清晰阐述问题、成因并提出建议，格式正确、内容连贯。
3.了解环境问题的现状，起因以及解决方法，激发学生强烈的社会责任感和对未来发展的思考。
Warming-up
Let’s watch a video about environmental pollution.
Environmental problems
break the balance
of ecosystem
different kinds of pollution
waste of energy
…
Environmental problems
cars
factories
individual
…
Black smoke and poisonous gas
Black smoke and waste
throw rubbish everywhere
…
Reasons that caused the problems
What should we do to protect the environment
What should we do to protect the environment
We should ____________ the lights when we leave a room.
turn off
Methods/ actions
What should we do to protect the environment
We can bring our own ___________ when we’re ____________________.
bags
go shopping
Methods/ actions
What should we do to protect the environment
We are expected to ____________ and ____________ different kinds of ___________.
separate
recycle
waste
separate v. 分开
/ sepr t/
Methods/ actions
What should we do to protect the environment
We should turn off the ____________ when we’re washing the hair.
shower
Methods/ actions
What should we do to protect the environment
Don’t use too much water to ___________ the toilet.
flush
flush v. 冲（抽水马桶）
/fl /
Methods/ actions
What should we do to protect the environment
Try to __________________ instead of a __________.
have a shower
bath
Methods/ actions
What should we do to protect the environment
Remember to turn off the _____________ while ______________ your teeth.
water tap
brushing
water tap
水龙头
Methods/ actions
What should we do to protect the environment
We can _________ paper and books.
reuse
Methods/ actions
The governments should ________________ the factories that _____________ the air and water.
What can governments do to protect the environment
close down
pollute
Methods/ actions
People should be ____________ for ______________.
fined
littering
What can governments do to protect the environment
Methods/ actions
Governments should _____________ people not to use ___________________.
encourage
plastic bags
What can governments do to protect the environment
Methods/ actions
Governments are supposed to ____________ the number of cars on the __________.
limit
road
limit v. 限制
/ l m t/
What can governments do to protect the environment
Methods/ actions
Activities should be ______________ to let people know the ______________ of environmental protection.
organized
importance
What can governments do to protect the environment
Methods/ actions
Think about the environment in your town/city and complete the chart below.
3a
Which parts of the town/city have a nice environment
Why are they nice
Which parts need to be improved Why
Good environment Why Bad environment Why
Parts that have nice environment Why
park
beautiful, fresh air …
library
quiet, clean, tidy ...
Parts that need to be improved Why
river
streets
people throw rubbish, factories discharge waste water…
more and more cars emit exhaust gases,
people litter everywhere…
Write a letter to the city mayor about the problems and your suggestions.
In your letter, describe the environmental problems in your town/city.
3b
What are the problems
Where are they
What or who is causing these problems
Then, give suggestions or possible ways to solve the problems.
I think that ...
We should/could ...
I suggest ...
体裁
时态
人称
要点
建议信（应用文）
一般现在时为主
第一人称
描述城市环境问题 + 给出建议
While-writing
开头
正文
结尾
自我介绍并交代写信目的。
Part 1: 描述城市的环境问题；Part 2: 给出建议。
希望自己的建议有用，希望环境越来越好。
【审清题目】
【outline】
开头:自我介绍并交代写作目的。
我是一名初中生，我很担心我们城市的环境。我写这封信是为了分享我关于如何改善环境的观点。
I’m a ________________________ student. I’m writing the letter to share my __________________ about how to ___________________________.
junior middle school
ideas / opinions
improve the environment
正文Part 1: 描述城市环境问题。
我发现，我们城市的河水非常脏。很多工厂排污到河里，并且人们也扔垃圾到河里。
I find that the rivers ________________ are very ___________. Many factories _____________ into the rivers and humans also ____________ into them.
in our city
dirty
put waste
throw rubbish
另外，马路上的汽车越来越多。这不仅使空气被严重污染，而且也让街道非常吵闹。
____________, there are _________________________ on the road. It ______________ makes the air ______________________, __________________ makes the streets ____________.
Besides
more and more cars
not only
be badly polluted
but also
noisy
正文Part 2: 给出建议。
为了保护环境，我想要给出一些建议。 （过渡句）
To _____________________________, I would like to give some _____________________.
protect the environment
advice / suggestions
首先，政府应该关闭污染空气和水的工厂。
______________________, the governments should ______________ the factories that _________________________.
First of all / First
close down
pollute the air and water
其次，我建议政府可以组织一些活动教人们保护环境的重要性。
__________, I suggest that the governments should ____________________ to teach people______________________________________.
最后但也同样重要的是，乱扔垃圾的人应该被罚款。
_______________________, people are supposed to __________________.
Second
organize some activities
the importance of environmental protection
Last but not least
be fined for littering
结尾：希望自己的建议有用，希望环境越来越好。
总之，我希望我的建议有用。如果每个人都参与到环境保护中，我们的城市将会越来越好。
__________________, I hope my _________________________. If everyone ________________________________________, our city will be __________________________.
In a word
suggestions will be useful
takes part in environmental protection
better and better
Sample writing
Dear Mayor,
I’m a junior middle school student. I’m writing the letter to share my ideas about how to improve the environment.
I find that the rivers in our city are very dirty. Many factories put waste into the rivers and humans also throw rubbish into them. Besides, there are more and more cars on the road. It not only makes the air be badly polluted, but also makes the streets noisy.
To protect the environment, I would like to give some advice. First of all, the governments should close down the
Sample writing:
factories that pollute the air and water. Second, I suggest that the governments should organize some activities to teach people the importance of environmental protection. Last but not least, people are supposed to be fined for littering.
In a word, I hope my suggestions will be useful. If everyone takes part in environmental protection, our city will be better and better.
Yours sincerely,
Li Hua
Sample writing:
Peer-editing
项目 标准 自我评价 同伴评价
结构（3分） 段落合理 （2 分）
衔接自然 (1分)
内容（8分） 要点1:当今的环境问题（2分）
要点2:你的建议（3分）
要点3:呼吁（1分）
拓展合理 (2分)
语言（3分） 词汇丰富 (1分)
句法正确 ，语言优美( 2分)
卷面（1分） 书写工整（ 1分）
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
1. Write different forms of the words. Then add more to each group.
Self Check
adj. – n.
different —
important —
adj. – adv.
slow —
wide —
sudden —
real —
difference
importance
slowly
widely
really
suddenly
Add more words to each group.
v.—n. : educate—education, meet—meeting, paint—painting
n.—adj. : wool—woolen, north—northern, wind—windy
adj.—n. : silent—silence, patient—patience, absent—absence
adj.—adv.: actual—actually, quick—quickly, sure—surely
Statements 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
2. Match each statement with the grammar structure.
Kinds of pollution Ways to cut down
water pollution
land pollution
noise pollution
air 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
3. Write ways to cut down on these kinds of pollution.
Let’s care for the earth and make it a better place!
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