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Unit13 Section B 3a-Self Check 导学案
班级： 姓名：
Unit 13 We’re trying to save the
Section B 3a-
第6课时
earth. Self Check
学习目标：
1.语言能力：复习并巩固本单元所学词汇。能够掌握后缀构词法。
2.文化意识：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。4
3.思维品质： 通过运用正在进行时、现在完成时和被动语态等描述污染、环境保护和循
环再利用，来培养学生爱护环境和保护动物的意识。
4.学习能力：能结合本单元的环境问题和环保措施，完成写作任务。能够识别句子结
构，熟练掌握现在进行时、现在完成时、被动语态、情态动词和used to的用法。
学习重难点：
重点：
1. 能够完成有关环保主题的书面表达。
2. 能够掌握派生词的用法和构词规律。
3. 能够识别句子结构，熟练掌握现在进行时，现在完成时，被动语态，情态动词和 used
to的用法。
难点：学生能结合本单元的环境问题和环保措施，完成写作任务。
自学
自学检测及课堂展示
指导
1．The students____________air pollution by walking to school last term.
2．Your help has_____________. I understand the work better now.
3．All the people in the kingdom_____________the magic cloth before the king saw it.
课前 4．Pollution____________our health. So we must protect our environment.
预习
5．"The food ________you though it tastes awful," my mother said to me.
6．Last Friday we had a sports meeting. I__________the basketball match.
7．They said they_____________to protect the environment already.
8．It seems unfair to make him______________everything.
9．Five and eleven______________to sixteen. Is it right?
10．First of all, I____________an apology for a mistake I made last week.
导入 Lead in
学学学科科科网网网（（（北北北京京京）））股股股份份份有有有限限限公公公司司司 11.What kinds of environmental problems do you know ?
_________________________________________________________
_________________________________________________________
2.different kinds of pollution
_________________________________________________________
3. waste of energy
_________________________________________________________
4.break the balance of ecosystem
_________________________________________________________
Pre-writing
What can we do to save the earth ?
1. ways to let people know
_____________________________________________________
2. ways to cut down pollution
写前 _____________________________________________________
3. ways to save energy
_____________________________________________________
4.ways to keep the balance of ecosystem
_____________________________________________________
Write a letter to the city mayor about the problems 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?
Then, give suggestions or possible ways to solve the problems.
写中
2.Work in groups and write about environmental problems.
________________________________________________________________________
________________________________________________________________________
________________________________________________________________________
________________________________________________________________________
________________________________________________________________________
________________________________________________________________________
________________________________________________________________________
________________________________________________________________________
________________________________________________________________________
学学学科科科网网网（（（北北北京京京）））股股股份份份有有有限限限公公公司司司 2________________________________________________________________________
________________________________________________________________________
________________________________________________________________________
________________________________________________________________________
1.Talk about your passages according to the assessments on the right.
写后
1. Write different forms of the words. Then add more to each group.
2. Match each statement with the grammar structure.
学学学科科科网网网（（（北北北京京京）））股股股份份份有有有限限限公公公司司司 33.Write ways to cut down on these kinds of pollution.
一、单项选择
1. I like hiking in the forest because the air is pretty ______.
A. free B. dirty C. polluted D. fresh
2. —How much is the dress?
—It _____ me 400 yuan.
A. cost B. spent C. took D. paid
3. In the past few years, great changes _________ in Chongqing.
A. take place B. took place
C. have taken place D. have been taken place
练习 4. Not only _____ food and clothes to the poor people, but also they helped them build
houses.
A. did they gave B. did they give
C. gave they D. give they
二、提示词填空
5. There were many people ________ (take) part in the activity yesterday.
6. Jim's health ____________ (improve) greatly since he started on this new diet.
7. The lights should __________ (turn) off when leaving the room.
8. Tigers are the _________ (strong) animals in their food chain.
9. I thought about _______ (go) to Thailand for vacation.
学学学科科科网网网（（（北北北京京京）））股股股份份份有有有限限限公公公司司司 4作业 Polish your writing according to your group members’ advice.
【参考答案】
1．cut down 2．made a difference 3．had heard of 4．is harmful to 5．is
课 前
good for 6．took part in 7．had taken action 8．pay for 9．add up 10．
预习
will/am going to begin with
Lead in
1.What kinds of environmental problems do you know ?
2.different kinds of pollution
air pollution waste pollution water pollution
导入
noise pollution light pollution land pollution
3.waste of energy
Forget to turn off the tap,the shower or the light and waste paper.
4.break the balance of ecosystem
Cut down trees kill animals
What can we do to save the earth ?
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
stop factories from putting waste into the river and burning coals
写前 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
Don’t use paper napkins .
Recycle things that we don’t use anymore.
学学学科科科网网网（（（北北北京京京）））股股股份份份有有有限限限公公公司司司 54.ways to keep the balance of ecosystem
Plant more trees save animals stop ocean plastic pollution
写中
One possible version:
Dear Mayor,
I’m glad to write this letter to you. I’d like to talk about the environment in
our city.
Our city is not as beautiful as before. Environmental problems are becoming more
and more serious. The river is dirtier. People are throwing litter into the river or
in public places like parks. This is turning beautiful places into ugly ones.
Factories are putting waste into the river and they burn coal, which also pollute
the air with a lot of black smoke. And most of us ride in cars to school even if
they live close to school. I think it is time to play a part in saving the earth.
写后 First of all, we should let more people know the importance of environmental
protection. We’re supposed to save water and energy in our daily life. Second,to
cut down air pollution, we should ride a bike or walk to school instead of riding
in cars. If it’s far, we can take the bus or subway. Third, we shouldn’t throw
litter here and there. We should put it in the bins. As for waste pollution, we
should never take wooden chopsticks or plastic forks when buying takeaway food.
We can also use reusable bags instead of plastic bags. What’ s more, the
government should close down the factories that are putting waste into the river
or giving out a lot of black smoke.
The earth is our home and we have the duty to take care of it for ourselves. So
I hope that you can take my advice. Thank you.
1. Write different forms of the words. Then add more to each group.
Self
Check
学学学科科科网网网（（（北北北京京京）））股股股份份份有有有限限限公公公司司司 62 Match each statement with the grammar structure.
一、单项选择
1-4
练习
DACB
5.took 6.has improved 7.be turned 8.strongest 9.going
Polish your writing according to your group members’ advice.
课后
作业
学学学科科科网网网（（（北北北京京京）））股股股份份份有有有限限限公公公司司司 7
