(共23张PPT)
Section
B
The
earth
is
crying
for
help.
The
earth
is
our
home.
Some
things
we
have
done
are
good
for
the
earth
w_____
some
are
bad.
We
have
polluted
the
earth,
a______
it
is
sick
now.
We
c_____
down
too
many
trees,
so
lots
of
rich
land
has
c_______
into
desert.
Factories
p____
waste
water
into
rivers.
Pollution
has
caused
many
s_______
problems.
The
earth
is
crying
for
help.
hile
nd
ut
hanged
our
erious
Let’s
know
more
about
the
earth.P46.3
What
shall
we
do
to
save
it?
We
should
plant
more
trees,
r_________
the
waste
we
produce,
r_________
the
waste
paper
and
soft
drink
cans,
and
ride
bikes
to
reduce
air
pollution.
I
think
we
should
try
to
be
g_________
people
to
protect
our
earth.
After
all,
we
have
only
one
earth.
We
should
do
e_________
to
protect
it,
or
we’ll
be
punished
and
lose
our
home.
educe
ecycle
reener
verything
毕竟，归根结底
Listen
to
1a
and
find
out
what
Jane
and
Michael
are
talking
about_____.
why
we
should
shut
off
the
electricity
when
we
leave
what
we
should
use
when
we
go
shopping
how
to
be
a
greener
person
Actions
speak
louder
than
words
means___
words
are
not
as
loud
as
actions
to
do
well
is
better
than
to
say
well
actions
can
speak,
but
words
can’t
do
it
shut
off
the
electricity
ought
to
do
sth.
instead
of
travel
a
short
distance
save
energy
reduce
air
pollution
take
a
cloth
bag
Easier
said
than
done.
Actions
speak
louder
than
words.
1.关掉电源
2.应该做某事
3.代替
4.短途旅行
5.节约能源
6.减少空气污染
7.带一个布袋
8.说起来容易做起来难。
9.
行动胜于言辞
What
can
we
do
to
be
a
greener
person?
We
should
/
ought
to
_____________
the
electricity
when
you
leave
a
room.
shut
off
You
should
/
ought
to
/had
better
_______________to
your
school.
You
should/ought
to
_____________to
school
instead
of
taking
a
taxi.
take
a
bus
You
should/ought
to_____________
when
you
go
shopping.
take
a
cloth
bag
ride
a
bike
Close
your
book
and
fill
in
the
blanks
J:
Hi,
Would
you
like
to
be
a
_________
person?
M:
Of
course,
I’d
love
to.
But
what________
I
do?
J:
First,
you
______
_____
shut
off
the
____________
when
you
leave
a
room.
M:
Oh,
that’s
easy.
What’s______?
J:
Second,
you’d
_______
walk
or______
a
bike
_________
of
a
bus
or
a
_______
if
you
travel
a
short
distance.
M:
That’s
right.
It
will
save________
and
reduce______
________.
J:
Third,
take
a
_______bag
when
you
go
shopping.
Don’t
use________
_______.
M:
It’s
_____
______to
be
a
greener
person.
J:
________
said
than
_____.
M:
Well,
actions_________
louder
than
words.
greener
should
ought
to
electricity
next
better
ride
instead
energy
air
pollution
cloth
plastic
bags
so
easy
Easier
done
speak
taxi
2
Choose
the
correct
verbs
or
phrases
to
complete
the
statements.
Then
match
them
with
the
right
pictures.
shut
off
reduce
grow
recycle
ride
cover
use
___________waste.
Don’t
buy
cups
or
boxes
which
can
be
used
only
once.
Save
electricity.
________
the
electricity
when
you
are
not
using
it.
________
boxes
and
plastic
bottles.
________
fruit
and
vegetables
yourself.
Try
to
________
a
bike
when
you
travel.
_________
both
sides
of
the
paper.
__________
pans
when
you
are
cooking.
Reduce
Shut
off
Recycle
Grow
ride
Use
Cover
2
Match
them
with
the
right
pictures.
2
1
3
4
5
6
7
Written
work:(Group
work)
As
students,
how
can
we
become
a
greener
person?
Write
the
sentences
as
many
as
you
can
.
Which
group
says
the
most
sentences
frequently?
It
will
be
the
winner.
Which
group
says
the
most
sentences
frequently?
It
will
be
the
winner.
1.
Everyone
__________
reduce
waste
to
protect
the
environment.
may
B.
ought
to
C.
oughtn’t
to
D.
shouldn't
2.
He
will
walk
to
school
instead
of_____
a
car
to
save
energy
and
reduce
pollution.
A.
take
B
took
C.
taking
D.
to
take
3.
Don't
be
too
strict
with
Jack,
________,
he
is
just
a
little
kid.
A.
as
a
result
B.
what's
more
C.
as
a
matter
of
fact
D.
after
all
4.
–I
think
it’s
so
easy
to
learn
English.
--___________.We
should
make
more
efforts.
It
doesn’t
matter.
B.
Take
it
easy.
C.
Easier
said
than
done.
D.
It's
my
pleasure.
To
be
a
greener
person
1.___________________________________
when
you
leave
the
room.
2.
If
you
travel
a
short
__________,
you
shouldn’t
_____________________,
but
_______________________.
So
this
helps
to
______________and
___________________.
3.
When
you
go
shopping,
you’d
better
__________________
instead
of
using
_____________.
To
be
a
greener
person
1.___________________________________
when
you
leave
the
room.
2.
If
you
travel
a
short
__________,
you
shouldn’t
_____________________,
but
_______________________.
So
this
helps
to
______________and
___________________.
3.
When
you
go
shopping,
you’d
better
__________________
instead
of
using
_____________.
You
ought
to
shut
off
the
electricity
distance
take
a
bus
or
a
taxi
walk
or
ride
a
bike
save
energy
reduce
air
pollution
take
a
cloth
bag
plastic
bags
Recite
1a.
Memorize
the
useful
expressions
and
key
sentences
which
we
learn
today.
Finish
Section
B
in
your
workbook.
Preview
Section
C.
Homework
Thanks!
