(共36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. 复习并巩固本单元所学词汇。
2. 根据本单元话题保护环境，给市长写一封信你所在的城市存在的环境问题并给出你的建议。
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。
What kinds of environmental problems do you know
Warming up
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
Methods/ actions
As individuals, … 作为个人，… As for the government, …
至于政府，…
We should …
We can …
We must …
We’d better to …
It’s important for us to …
… is a good way to ...
It’s necessary to ...
(develop laws about environmental protection;
educate the public to protect the environment;
do more publicity…)
1.ways to let people know
hand out notices
make videos
post articles on the Internet
make speeches
2.ways to cut down pollution
take the bus, ride a bike or walk instead of driving a car
ways to cut down pollution
stop factories from putting waste into the river and burning coals
ways to cut down pollution
use reusable bags instead of plastic bags
don’t take wooden chopsticks or plastic forks
sort garbage
3.ways to save energy
turn off the tap,the shower or the light and waste paper when not using
ways to save energy
Don’t use paper napkins .
Recycle things that we don’t use anymore.
4.ways to keep the balance of ecosystem
plant more trees
save the animals
stop ocean plastic pollution
Everyone should play a part in protecting the environment.
保护环境，人人有责。
The birds are longing for the clean sky, and the people are longing for the green home.
鸟儿渴望洁净的天空，人类渴望绿色的家园。
Only obedience to nature, to overcome the nature.-Darwin.
只有服从大自然，才能战胜大自然--达尔文
Some good expressions:
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 ...
本次写作内容是一封书信，信中首先要介绍你所在城市存在有哪些环境问题，是谁造成的这些问题，然后提出解决这些环境问题的方法和措施，可以结合3a中列举的问题和前面学过的解决办法来完成这封信。
【写作任务】
内容：环境问题，产生原因，解决措施
文体：应用文
时态：一般现在时
人称：第一人称
【审清题目】
While-writing
Letter
Problems
Causes
Solution
Beginning
Body
Ending
审体裁 ______________
审人称 ______________
审时态 ______________
应用文
第一人称
一般现在时
Para. Idea Expression
1 自我介绍及写信目的 I’m...
I like this city, but the environment around here is getting worse and worse.
2 展开叙述：环境问题，原因以及治理措施 With the …, there are too many…
Cars have made…
I think that governments should…
I suggest everyone in…
We should call on…
3 表达希望 I hope the environment in our city gets better and better.
The structure of the letter
Dear Mayor,
I am Li Hua, a middle school student.I like this city, but the environment around here is getting worse and worse.
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.
注意书信的格式
时态用一般现在时，以第一人称为主
多种句型陈述问题
Sample writing:
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.
I hope the problem will be solved in the near future and our home will become better and better.
Yours sincerely
Li Hua
从不同主体出发给出建议
提出希望和号召
结尾落款
Dear Mayor,
I am Li Hua, a middle school student.I like this city, but the environment around here is getting worse and worse.
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.
开篇点题
说明原因
越来越差
把垃圾倒入河中
无论我们去哪
Sample writing:
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.
I hope the problem will be solved in the near future and our home will become better and better.
提出建议
表达期望
Yours sincerely
Li Hua
越来越多的人
关闭
禁止人们开车
清理
号召
越来越好
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 ——
pollution
action
protection
inspiration
building
creation
1. Write different forms of the words. Then add more to each
group.
Self Check
fame ——
wood ——
science ——
health ——
south ——
care ——
famous
wooden
scientific
healthy
southern
careful
different —— important ——
Others: sunny ——
noisy ——
harmful ——
beautiful ——
difference
importance
n. — adj.
adj. — n.
sun
noise
harm
beauty
adj. — adv.
slow ——
wide ——
sudden ——
real ——
quick ——
true ——
happy ——
loud ——
slowly
widely
suddenly
really
happily
loudly
quickly
truly
Add more words to each group.
Group work
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
2. Match each statement with the 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
3. Write ways to cut down on these kinds of pollution.
Kinds of pollution Ways to cut down
water pollution
land pollution
noise pollution
air pollution
Suggested answers
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
Let’s care for the earth and make it a better place!
https://www.21cnjy.com/help/help_extract.php
