(共44张PPT)
Unit
8
We’re
trying
to
save
the
earth!
What
happened
to
the
animals?
They
killed
themselves.
They
had
no
place
to
live
.
The
earth
was
polluted.
Why?
We
must
save
the
earth!
?environmental
protection?guardians
环
保
卫
士
What
Why
How
We
must
save
the
earth!
What
are
the
problems?
Environment
Animal
Task
1
pollution
pollution
pollution
noise
air
water
The
river
______
really
dirty.
Even
the
bottom
of
the
river
_____
full
of
rubbish.
And
there
______
no
more
fish
for
fishermen
to
catch.
It
____________
so
clean.
It
_____
always
______
the
nicest
river
in
the
town.
was
was
were
used
to
be
has
been
I
went
to
the
river
last
weekend.
The
air___
badly
_________because
_________more
cars
on
the
road
these
days.
Factories
that
burn
coal
also
_______
the
air
with
a
lot
of
black
smoke.
There
is
also
too
much
rubbish
and
waste.
Everyday
people
__________________
things.
They
_____also
__________in
public
places
like
parks.
This
_____________beautiful
places
into
ugly
ones.
pollute
are
throwing
away
Listen
and
complete
the
sentences.
is
polluted
there
are
are
littering
is
turning
What
are
the
problems?
Environment
Animal
Animals
Shark
fin
Save
the
sharks
Sharks
They
are
1
the
food
chain
Shark
fin
soup
It’s
especially
popular
in
2
China.
What
do
people
do
?
When
people
catch
sharks,
they
3
their
fins
and
4
the
sharks
back
into
the
ocean.
The
disadvantages
of
catching
sharks
1).It’s
not
only
cruel,
but
also
5
the
environment.
2).If
their
numbers
6
,
it
will
7
to
all
ocean
life
How
to
save
sharks
1).8
protection
groups
are
teaching
the
public
about
“
finning
”.
2).They
have
even
asked
governments
to
9
_________
to
stop
the
sale
of
shark
fins.
at
the
top
of
southern
cut
off
throw
drop
too
low
harmful
to
Environmental
develop
laws
bring
danger
What
Why
We
must
save
the
earth!
Why
are
there
so
many
problems?
Task
2
Work
in
pairs
to
find
out
the
reasons
P57-58
Reasons
:
Other
reasons:
P57-58
People
throw
litter
into
river.
Factories
put
waste
into
the
river.
Factories
burn
coal.
People
litter
in
public
places.
The
use
of
chemical
fertilizer
The
use
of
plastic
bags
and
wooden
chopsticks
What
Why
How
We
must
save
the
earth!
How
to
save
the
earth?
Task
3
Amy
Hayes
Jessica
Wong
Wang
Tao
built
a
house
out
of
rubbish.
What
did
they
do
?
uses
old
clothes
to
make
bags.
Amy
Hayes
Jessica
Wong
page
62
uses
iron
and
other
materials
from
old
cars
to
make
beautiful
art
pieces.
Wang
Tao
Saving
the
earth
begins
with
small
things.
turning
off
the
lights
when
we
leave
a
room
turning
off
the
shower
while
we’re
washing
our
hair
not
riding
in
cars
recycling
books
and
paper
not
using
paper
napkin
taking
our
own
bags
when
shopping
Group
work
Find
out
the
ways
to
solve
the
pollution
air
pollution
water
pollution
land
pollution
save
the
animals
noise
pollution
write
to
the
government
and
ask
them
to
close
down
the
factories
help
to
clean
up
the
river
take
the
bus
or
subway
or
ride
a
bike
bring
a
bag
to
go
shopping
never
take
wooden
chopsticks
or
plastic
forks
ask
the
governments
to
develop
laws
to
stop
the
sale
of
animals
build
airports
away
from
places
where
people
live
throw
rubbish
in
the
bins
no
hooking
in
the
city
P57--61
P57--61
Survey
&
report
Think
about
the
environment
in
our
village
and
complete
the
chart
below.
bad
environment
Why?
How？
I
think
there
is
some
pollution
in
our
village.
For
example…..
This
is
because……
So
I
think
we
should
……
Think
about
the
environment
in
our
village
and
complete
the
chart
below.
bad
environment
Why?
How？
I
think
there
is
some
pollution
in
our
village.
For
example…..
This
is
because……
So
I
think
we
should
……
Think
about
the
environment
in
our
village
and
complete
the
chart
below.
bad
environment
Why?
How？
Write
a
letter
to
the
leader
about
the
problem
and
your
suggestions.
Writing
:
Tips:
1.
the
bad
environment
in
our
town
2.
What
are
the
problems?
3.Where
are
they
?
4.What
or
who
is
causing
these
problems?
5.Your
suggestions:
I
think
that….
We
should/could…
I
suggest…
Things
happened
in
the
past:
When
we
talk
about:
Things
that
are
happening
now:
Things
that
have
finished
but
have
some
influence
on
now:
tense
the
simple
past
used
to
do
present
progressive
present
perfect
Voice
The
subject
is
the
executor
of
the
action
The
subject
is
the
object
of
the
action
active
voice
positive
voice
be
done
adj.
n.
adv.
v.
/adj.
Pay
attention
to
the
different
forms
of
the
words.
v.----n.
pollute---
act---
protect---
inspire---
build----
create--
n.---adj.
fame---
wood---
science---
health---
south---
care---
pollution
action
protection
inspiration
building
creation
famous
wooden
scientific
healthy
southern
careful
careless
adj.—n.
different---
important---
adj.—adv.
slow---
wide---
sudden---
real---
difference
importance
slowly
widely
suddenly
really
What
Why
How
summary
Save
the
earth
。
Sharing
the
same
sky,
a
total
of
a
soil
retaining.
同顶一片蓝天,共护一方水土。
Protecting
environment
is
to
protect
ourselves.
保护环境就是保护我们自己。
?environmental
protection?guardians
环
保
卫
士
1.
1.Think
about:
what
can
be
recycled
in
our
life.
Then
try
it
and
show
it
in
our
class.
2.Make
posters:
Saving
the
environment
is
necessary.
So
work
in
groups
and
make
some
posters
to
call
on
students
to
take
actions!
