(共39张PPT)
Unit
7
Protect
the
Earth
(Story
time)
Guessing
game
What
is
it?
It
is
big
and
round.
It
is
beautiful.
There
is
only
one
in
the
world.
There
are
a
lot
of
trees,
flowers,
rivers
and
many
other
things
on
it.
Earth
地球
Early
fourth
What
did
some
people
do
to
the
Earth?
What
is
the
Earth
doing?
Protect
the
Earth
保护
Unit
7
Green
Guard
Green
Guards
Needed
招募环保小卫士
1.
We
know
how
to
protect
the
Earth
from
some
parts.
4
2
3
1
Skim
the
text
and
find
out
the
topic(主题)
of
each
picture.
Skim
and
say
Save
water
Save
energy
Save
trees
Don’t
use
too
much
plastic
节约
能源
塑料
Reading
Tip(阅读提示)：
We
can
get
the
topic
of
each
part
from
the
subtitles.
我们可以从小标题知道每部分的主题。
Green
Guard
Green
Guards
Needed
招募环保小卫士
2.
We
know
the
use(用途)
of
them.
1.
We
know
how
to
protect
the
Earth
from
some
parts.
Watch
the
cartoon
and
find
out
the
use
of
them.
（看动画，找出每种资源的用途。）
Tip(短语提示):
use...to...
Watch
and
match
木材
1.
We
use
water
to
A.
make
many
things
2.
We
use
energy
to
3.
We
use
wood
to
4.
We
use
plastic
to
B.
clean
things
C.
drive
cars
D.
make
bags
and
bottles
3.
We
use
wood
to
Let’s
match
They’re
useful(有用的).
What’s
the
use
of…?
wood
木材
Try
to
match
the
phrases.
(将词组配对)
Scan
Part
2
and
Part
3
quickly
and
fill
in
the
blanks.快速浏览第2、3部分并填空。
1.
Where
does
energy
come
from(来自)?
Most
of
our
energy
comes
from
_____
and
___.
大多数
coal
oil
2.
Where
does
wood
come
from?
Wood
comes
from
______
.
trees
Scan
and
find
point
coat
coal
煤炭
oil
石油
Green
Guard
Green
Guards
Needed
招募环保小卫士
2.
We
know
the
use(用途)
of
them.
3.
We
know
the
problems(问题)
of
them.
1.
We
know
how
to
protect
the
Earth
from
some
parts.
What’s
the
problem
of…?
plastic
trees
water
energy
In
many
places,
there
is
not
much
water.
There
is
not
much
coal
and
oil
on
Earth.
People
cut
down
too
many
trees.
砍伐
太多[可数名词]
People
use
too
much
plastic.
太多[不可数名词]
Read
the
passage
in
groups
and
discuss
the
problems
of
them
(讨论它们使用中存在的问题)
with
your
partners.
Read
and
discuss
Try
to
guess:
根据上下文，猜测词义。
Green
Guard
Green
Guards
Needed
招募环保小卫士
2.
We
know
the
use(用途)
of
them.
3.
We
know
the
problems(问题)
of
them.
4.
We
know
the
solutions(解决方法)
of
the
problems.
1.
We
know
how
to
protect
the
Earth
from
some
parts.
Read
the
passage
carefully
by
yourselves
and
underline(划线)
the
sentences
of
solutions(解决方法).
Read
and
underline
Tip(短语提示):
We
should...
(用“——”划出)
We
should
not...(用“~~~~”划出)
We
should
not
waste
water.
We
should
reuse
and
save
it.
We
should
not
drive
so
much.
We
should
save
energy.
We
should
not
cut
down
too
many
trees.
We
should
save
trees.
We
should
not
use
too
many
plastic
bags
or
bottles.
We
should
use
paper
bags
and
glass
bottles.
reuse
What
should
(not)
we
do
with…?
What
is
the
meaning
of
“waste”?
A.
use
it
when
we
do
not
need
it.
B.
use
it
when
we
need
it.
浪费
Try
to
guess:
根据上下文，猜测词义。
What
is
the
meaning
of
“reuse”?
A.
use
it
again.
B.
use
it
once(一次).
再利用
Reading
tip(阅读提示)：
We
can
try
to
guess
the
meanings
of
the
new
words
according
to
the
context.
我们可以根据语境，猜测新单词的含义。
Water:
Energy:
Trees:
Plastic:
Green
Guard
Green
Guards
Needed
招募环保小卫士
2.
We
know
the
use(用途)
of
them.
3.
We
know
the
problems(问题)
of
them.
4.
We
know
the
solutions(解决方法)
of
the
problems.
1.
We
know
how
to
protect
the
Earth
from
some
parts.
use
用途
problems
问题
solutions
解决方法
...
...
Topic(主题)
Writing
Tip(写作提示):
Read
after
the
tape
and
try
to
imitate
the
pronunciation
and
intonation.
跟读录音，注意模仿语音语调。
Listen
and
repeat
Green
Guard
5.
We
can
talk
about(谈论)
protecting
the
Earth.
Green
Guards
Needed
招募环保小卫士
2.
We
know
the
use(用途)
of
them.
3.
We
know
the
problems(问题)
of
them.
4.
We
know
the
solutions(解决方法)
of
the
problems.
1.
We
know
how
to
protect
the
Earth
from
some
parts.
Choose
one
topic
and
make
dialogues
with
your
partners.
选择一个主题，和你的搭档来说说对话吧。
What
water
energy
trees
plastic
Use
clean
things
drive
cars
make
things
make
bags
and
bottles
Problem
Should
reuse
and
save
waste
drive
so
much
save
save
cut
down
use
paper
bags
and
glass
bottles
use
plastic
bags
and
bottles
A:
What’s
the
use
of…?
B:
We
use…to…
A:
What’s
the
problem
of…?
B:
…
A:
What
should
(not)
we
do
with…?
B:
We
should/should
not…
Let’s
talk
not
much
not
much
cut
down
use
too
much
too
many
trees
too
many
trees
Should
not
A:
What’s
the
use
of…?
B:
We
use…to…
A:
What’s
the
problem
of…?
B:
…
A:
What
should
we
do
with…?
B:
We
should/should
not…
A:
What’s
the
use
of
water?
B:
We
use
water
to
clean
things.
A:
What’s
the
problem
of
water?
B:
In
many
places,
there
is
not
much
water.
A:
What
should
(not)
we
do
with
water?
B:
We
should
reuse
and
save
it.
We
should
not
waste
it.
Green
Guard
5.
We
can
talk
about(谈论)
protecting
the
Earth.
Green
Guards
Needed
招募环保小卫士
2.
We
know
the
use(用途)
of
them.
3.
We
know
the
problems(问题)
of
them.
4.
We
know
the
solutions(解决方法)
of
the
problems.
1.
We
know
how
to
protect
the
Earth
from
some
parts.
Many
animals
lost
their
home.
We
must
protect
the
Earth.
We
must
save
our
home.
This
is
the
water
pollution.
People
cut
down
too
many
trees.
This
is
the
air
pollution.
This
is
the
land
pollution.
Many
years
ago,
the
Earth
was
very
clean.
But
now
there
is
much
pollution.
There
are
lots
of
forests.
There
are
many
countries
and
cities.
And
there
are
many
people.
This
is
the?Earth.
The
green
part
is
land.
The
blue
part
is
sea.
The
white
part
is
cloud.
There
are
rivers,
seas
and
lakes.
There
are
hills
and
mountains.
Our
Earth,
our
home.
Let’s
know
the
Earth.
Let’s
talk
What
else
can
we
do
to
protect
the
Earth?
我们还可以做什么来保护地球？
…
Make
posters
in
groups
and
let
more
people
know
how
to
protect
the
Earth.
分组做海报，让更多的人知道该
如何保护地球。
Make
and
say
Earth
is
our
only
family。
地球，是我们唯一的家园。
Protect
the
Earth，
Protect
our
family.
Homework:
1、熟读课文并复述。
2、以小组为单位，完成海报的制作。
3、完成《课课练》Period
1。
Thank
you!
Bye!2020.12
Unit
7
Protect
the
Earth
第一课时
一、教学内容
Story
time
二、教学目标
1.
能听懂、会读、会说protect,
earth,
save,
useful,
waste,
reuse,
energy,
most,
coal,
wood,
cut
down,
plastic,
oil,
drive,
so
much.
2.
能听懂、会读、会说日常交际用语We
use
…
to
…
We
should
…
We
shouldn’t
…
3.
通过小组合作交流，能正确地理解并能用标准的语音语调朗读文本，在教师的引导和帮助下尝试复述课文内容。
4.
让学生了解保护地球的重要性，培养学生热爱地球，保护地球的意识，了解更多保护地球的方法。
三、教学重点
1.
能听懂、会读、会说protect,
earth,
save,
useful,
waste,
reuse,
energy,
most,
coal,
wood,
cut
down,
plastic,
oil,
drive,
so
much.
2.
能听懂、会读、会说日常交际用语We
use
…
to
…
We
should
…
We
shouldn’t
…
3.
通过小组合作交流，能正确地理解并朗读文本，在教师的引导和帮助下尝试复述课文内容。
四、教学难点
通过小组合作交流，能正确地理解并朗读文本，在教师的引导和帮助下尝试复述课文内容。
五、教具准备
PPT，相关实物及图片
教学过程
Step
1
Pre-reading
Greetings
Guessing
game:
What
is
it?
It
is
big
and
round.
It
is
beautiful.
There
is
only
one
in
the
world.
There
are
a
lot
of
trees,
flowers,
rivers
and
many
other
things
on
it.
Ss:
It
is
the
Earth.
（Teach:
Earth）
Watch
and
answer
T:
What
did
some
people
do
to
the
Earth?
Look
and
say
T:
What
is
the
Earth
doing?
Ss:
She
is
crying.
T:
What
should
we
do?
We
should
protect
the
Earth.
(引题)
T:
So
let’s
be
the
green
guards
to
protect
the
Earth.
OK?
Ss:
OK.
T:
How
can
we
become
green
guards?
Look,
here
are
some
steps.
展示成为环保小卫士的步骤：
We
know
how
to
protect
the
Earth
from
some
parts
We
know
the
use
of
them
We
know
the
problems
of
them
We
know
the
solutions
of
the
problems
We
can
talk
about
protecting
the
Earth
T:
OK.
Let’s
go.
Now
let’s
go
to
step
one.
Look
at
the
pictures.
People
are
doing
bad
things
to
the
Earth.
Can
you
give
titles
to
the
pictures?
Think
it
over.
Ss:
…
Step
2
While-reading
Skim
and
find
T:
Wow,
you
gave
lots
of
titles.
Now
open
your
books
and
turn
to
page
68.
Can
you
find
the
titles
from
the
text?
Ss:
…
T:
You
did
a
good
job
on
step
one.
Now
can
we
find
out
the
use
of
the
four
things?
Reading
Tip(阅读提示)：
We
can
get
the
topic
of
each
part
from
the
subtitles.
我们可以从小标题知道每部分的主题。
Watch
and
match
T:
Let’s
go
to
step
two:
We
know
the
use
of
them.
Let’s
watch
the
cartoon
and
find
out
the
use
of
them.
T:
Let’s
match.学生看卡通后进行短语配对组成句子。
We
use
water
to
A.
keep
the
air
clean
We
use
energy
to
B.
drink
and
clean
We
use
trees
to
C.
drive
cars
We
use
wood
D.
make
bags
and
bottles
We
use
plastic
to
E.
make
tables
and
chairs
T:
They
are
useful.
(总结，教读useful)
Let’s
read
them
together.
Ss:
…
Scan
and
find
T:
This
time,
please
read
part
2&3
quickly
and
fill
in
the
blanks.
Where
does
the
energy
come
from?
---Most
of
our
energy
comes
from
coal
and
oil.
Where
does
wood
come
from?
---Wood
comes
from
trees.
T:
Good.
Read
and
discuss
T:
They
are
useful.
But
we
can’t
use
them
too
much.
There
are
some
problems
with
them.
So
let’s
go
to
step
3.
Read
the
passage
again
and
discuss
in
pairs.
Then
try
to
find
out
their
problems.
(学生讨论这四种能源发生的问题)
T：In
many
places,
there
is
not
much
water.
There
is
not
much
coal
and
oil.
People
cut
down
too
many
trees.
People
use
too
much
plastic.
Read,
underline
and
fill
in
the
blanks
T:
We
know
the
problems.
We
should
know
the
solutions
of
the
problems.
So
let’s
go
to
step
4.
Please
read
the
passage
carefully
and
underline
the
solutions.
(学生读课文，划出文中解决方法的句子。)
T:
Can
you
find
something
in
these
sentences?
Ss:
We
should…
/
We
should
not…
Let’s
finish
the
form
according
to
the
sentences
you
underlined.
小练习：让我们根据划的句子来填写关键词吧。
Water:
We
should
________
and
________
water.
We
should
not
________
water.
Energy:
We
should
________
energy.
We
should
not
________
so
much.
Trees:
We
should
________
trees.
We
should
not
________
________
too
many
________.
Plastic:
We
should
not
use
too
many
______
bags
or
bottles.
We
should
use
________
bags
and
________
bottles.
Writing
tip:
When
we
are
given
a
topic,
we
can
write
from
its
use,
problems
and
the
solutions.
Listen
and
repeat
T:
Let’s
follow
the
tape.
Please
try
to
imitate
the
pronunciation
and
intonation.
Retell
according
to
the
form
T:
We
know
the
use,
the
problems
and
the
solutions
of
the
four
parts.So
let’s
go
to
step
6-talk
about
protecting
the
Earth.
Can
you
choose
one
topic
and
make
dialogues
with
your
partners?
For
example:
T:
Hello,
...
S:
Hello,
Miss
Yin.
T:
What’s
the
use
of
water?
Ss:
We
use
water
to
clean
things.
T:
What’s
the
problem
of
water?
Ss:
In
many
places,
there
is
not
much
water.
T:
What
should
(not)
we
do
with
water?
Ss:
We
should
reuse
and
save
it.
We
should
not
waste
it.
T:
Thank
you.
You
can
be
a
green
guard
now.
T:
Now,
boys
and
girls.
You
can
choose
any
part
of
the
four
to
make
dialogues
with
your
partner.
(让学生编对话来展示)
T:
Congratulations!
You
are
Green
Guards
now!
Great!
Step
3
Post-reading
Read
the
picture
book
and
think
T:
Earth
is
our
home.
We
can
protect
the
Earth
from
these
four
parts.
But
that’s
not
enough.
We
can
do
more.
I
made
a
picture
book
for
you.
Let’s
enjoy
it
and
know
more
about
the
Earth.
Please
think
about
this
question:
What
else
can
we
do
to
protect
the
Earth?
Ss:
…
Make
posters
T:
Yes,
we
can
do
a
lot
of
things
to
protect
the
Earth.
As
green
guards,
we
should
perform
our
duties.
Let’s
make
posters
and
let
more
people
know
how
to
protect
the
Earth.
OK?
Now
discuss
with
your
group
members
and
write
down
your
suggestions
about
protecting
the
Earth
on
the
posters.
Enjoy
some
posters
Earth
is
our
only
family.
Protect
the
Earth.
Protect
our
family.
作业设计
1.
Read
and
retell
the
text.
2.
Modify
the
posters
in
groups.
3.
Do
the
exercise.
八、板书设计
Unit
7
Protect
the
Earth
九、教学反思
PAGE
