Unit 7 Protect the Earth 课件(共31张PPT)

(共31张PPT)
Protect the Earth
学习目标
1. I know how to protect the earth.
2. I can share my ideas of protecting the earth.
知道如何保护地球。
能和大家分享你保护地球的一些做法。
Little water
小水滴
Group 1
Little plastic
小塑料
Group 4
Group 2
Little coal
小黑炭
Little trees
小树苗
Group 3
Earth
/ :/
Ear
the
What should we do
protect the earth
/ /
/e/
保护地球
How can we protect the earth
Save water.
Save money.
Save energy.
Save trees.
Don’t eat too much.
Don’t use too much plastic.
Make a guess:
How can we protect the earth
Save water.
Save money.
Save energy.
Save trees.
Don’t eat too much.
Don’t use too much plastic.
energy
能源
e
er
Read & judge
√ or ×
Save water
3. We should waste water. ( )
2. In many places, there is not much water. ( )
1. Water is not useful. ( )
有用的
_________
√
×
We drink water and use water to clean things everyday.
×
waste water
We should not
reuse water
use again
Listen & imitate
Save water
Water is useful.
We drink water and use water to clean things
every day.
In many places, there is not much water.
We should not waste water.
We should reuse and save it.
Listen read & answer
energy
coal
oil
save
drive so much
We should not …
Because cars use a lot of energy
Read & imitate
Save energy
Most of our energy comes from coal and oil.
There is not much coal or oil on Earth.
We should save energy.
We should not drive so much because cars use a lot of energy.
usage
We use… to…
We should…
We should not…
Because…
Talk about it
Things we shouldn’t do.
Things we should do.
Why
Let’s talk !
Save trees
Don’t use
too much plastic
Wood comes from …
We use wood to …
We should not …
Because …
cut down
trees help keep the air clean
We use plastic to…
We should not …
We should …
trees
Make …
hair
空气
Make …
use
paper bag
glass bottle
Let’s read!
Save trees
Wood comes from trees.
We use wood to make tables, chairs and
many other things.
We should not cut down too many trees
because trees help keep the air clean.
连读的条件：相邻的两词在意义上必须密切
相关，同属一个意群。连读所构成的音节一
般都不重读，只需顺其自然地一带而过，不
可读得太重。
Let’s read!
Don’t use
too much plastic
We use plastic to make bags and bottles,
but too much plastic is bad for the Earth.
We should not use too many plastic bags or bottles.
We should use paper bags and glass bottles.
ˊ
ˊ
ˊ
1. It _____ (be) my birthday yesterday, I _____ (have)
a good time.
2. I like __________ (play) basketball, I can ________
(play) very ______ (good).
3. Mrs. Black _______ (go) to work by bike every day,
but Mr. Black ________ (do).
was
had
playing
play
goes
doesn’t
well
yesterday表示过去的时间，动词用过去式。
like后面加动词的ing形式；can后面加动词原形。
Every day表示一般现在时的时间，主语是第三人称单数，动词用第三人称单数形式。
4. This is not _______ (my) handkerchief. It’s _______
(her).

5. This hairdryer is my sister’s. It’s _______ (she).
my是形容词性物主代词，后面要加名词；hers是名词性物主代词，可以单独使用。
hers是名词性物主代词，可以单独使用。
my
hers
hers
Let’s retell!
Let’s share!
Protect the Earth
We should …
We shouldn’t …
Choose a topic and share your ways of protecting the Earth. 我每组选一个主题，讨论一下，告诉大家怎样从身边的小事开始保护地球。
我是保护地球的
小卫士
To save energy, we should drive small cars. We should not drive big cars.
Save energy
The earth is our home.
Let’s protect it and make it a better place.
But people are trying to destroy it.
They waste water and pour dirty water into the river.
More and more people have cars.
They waste a lot of energy. The
air is being polluted.
浪费
空气
People cut down trees to make more land, more paper.
They throw rubbish everywhere.
How
Save water
Save energy
Save trees
Do not use too much plastic.
Homework:
1. Read the text fluently.
2. Surf the Internet and search more information about protecting the Earth and then share with your friends.
3. Finish the poster after class.
Thank you!
Goodbye !