Unit 13 We‘re trying to save the earth! SectionB(3a-SelfCheck)课件24张

(共24张PPT)
Section B (3a-SC)
throw away
put sth. to good use
have a creative mind
build ... out of ...
pull ... down
upside down
bring back
win a prize
open a small shop
set up a website
sell ... online
be known for
扔掉；抛弃
好好利用某物
拥有创意的头脑
用……建造……
拆下；摧毁
上下颠倒；倒转
恢复;使想起;归还
获奖
开一家小店
建立网站
在网上出售……
以…闻名;因…而出名
1.你经常扔掉你不再需要的东西吗
Do you often throw away things you don’t need anymore
2.如果你有创造性的头脑,没有东西是废弃物。
Nothing is a waste if you have a creative mind.
3.埃米不是唯一擅长回收利用的人。
Amy isn’t the only one who is good at recycling.
4.艺术不仅能给他人带来快乐,它也表明只需要一点创造力,即便是冷硬的铁也可产生活力。
Not only can the art bring happiness to others, but it also shows even cold, hard iron can be brought back to life with a little creativity.
1. Learn to write a letter to the city mayor about the environment problems in your city and your suggestions
2. To check yourself
写作话题：The world and the environment
(世界与环境)
What are the problems
The earth is in danger!
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
Good environment Why Bad environment Why
park
the air is clean
streets
so many trees
restaurants
clean and tidy
river
a lot of rubbish
so many cars
air
too many
factories
streets
What caused the environmental problems
Problem
pollution
waste of
energy
break the balance
of ecosystem
waste water
waste gas
plastic bags
…
forget to turn off the light
or shower
…
cut down too
many trees
kill the animals
…
the environment around us is becoming
worse and worse…,we can't see…,the air is so…
How to save the earth
should/
can …
had
better ...
It’s necessary /
important to …
Save the energy
Cut down the pollution
other
ways
throw litter in the bin
take the reusable bags…
ride bikes or walk instead of…
turn off the light /shower while…
put old things to good use
recycle the used books or paper…
keep the balance of ecosystem,
plant more trees, make laws to …
close down the factories that…
the
little things
in
daily lives
govern-ment
and
public
Write an article
Save our earth
give advice
Beginning
Body
Ending
I believe if everyone can make their effort, our world will be much better.
should /need /had better do…
It’s necessary for us to do…
We mustn't/ shouldn't/ aren't supposed to do …
It is everyone's duty to …
The government should… …
Cut down the pollution
Save the energy
other ways
As we all know, today there is more and more pollution and the environment is becoming worse and worse…
facts
Call on
and, not only…but also…, but, because, so, first, second…
use different sentence patterns
no spelling and grammar mistakes
The earth is our only home. It’s our duty to protect it.
Let's take actions as soon as possible!
Let's protect the earth, and live in a better environment.
correct
logical
colorful
beautiful
beautiful sentences
beautiful handwriting
请和同伴交换习作，依据以上提示和下列评价表，相互欣赏与修改习作，然后给对方的习作打分。
修改习作时可使用这些符号：
优美句子 ～； 漏词 ∧；
错处 ○； 删除 ／；
语法错误 G； 人称错误 P；
时态错误 T； 拼写错误 S。
Group Exchange and correct
Let's Check
beautiful hand-writing
Enough words
Clear opinions
beautiful sentences
spelling or grammar mistakes
linking words





Show Time
Which is the best
Dear teachers and students，
A clean environment can help people feel happy and healthy. But now our environment has become worse and worse. So how can we help to protect it Here are some ways.
First，we can stop driving our private cars. We can go to school or work on foot or by bus. It not only can protect the environment，but also is good for our health. Second，we are supposed to sort the rubbish into different kinds because some can be reused or recycled. Third, we should turn off the lights when leaving a room. What's more, stop littering! It's necessary to put things you don't need in the bin.
There's a lot for us to do. I think if everyone does something，our environment will become better and better.
评 分 表
项目 标准 自我评价 同伴评价 教师评价
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）
With the development of modern (1) _________, more and more waste is being produced. Rivers, lakes, seas and even oceans all over the world are little by little becoming polluted by waste and (2) _________ chemicals (化学物品). What’s more, oil and other chemicals can kill fish and make water unsafe to drink. Water pollution is threatening (威胁) human beings.
(3) _________ studies show that it is difficult or impossible for the water to become clean again. (4) _________ have been made to reduce river pollution. We must do more to stop factories from pouring dirty water into the rivers. In addition, we should stop throwing rubbish into the rivers, such as (5) _________ bags and empty (6) _________. In short, we must fight against any behavior that pollutes water. It’s never too late if we take (7) _________ right now.
阅读短文，从方框中选择恰当的词并用其适当形式填空，使短文完整、通顺。
law, bottle, industry, action, harm, plastic, science
industry
harmful
Scientific
Laws
plastic
bottles
action
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
adj. – n.
different —
important —
adj. – adv.
slow —
wide —
sudden —
real —
difference
importance
slowly
widely
really
suddenly
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
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
ask factories not to throw waste into the rivers; remind people not to litter
ensure that factories throw away industrial waste in a resposible 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.
Possible answers:
Homework
1. Review the new words and expressions in Unit 13.
2. Polish your writing according to your group members’ advice.
3. Finish the exercises in workbooks.
4. Preview the new words and expressions in Unit 14.