(共41张PPT)
Unit
13
We’re
trying
to
save
the
earth!
Section
A
1a-2d
To
talk
about
air
pollution,
water
pollution
and
noise
pollution.
To
think
about
ways
of
protecting
the
environment.
To
learn
to
use
the
sentence
patterns
used
to...but
now
should
do
sth.
Here
are
some
words
related
to
different
kinds
of
pollution.
Write
them
in
the
box
below.
Then
add
more
words.
1a
noise
pollution
____________
____________
____________
____________
air
pollution
___________
___________
___________
___________
water
pollution
____________
____________
____________
____________
loud
music
planes
mobile
phones
factories
cars
smoking
ships
factories
littering
rubbish
building
houses
building
houses
loud
music
cars
rubbish
planes
littering
ships
factories
smoking
building
houses
mobile
phones
cars
Listen
and
complete
the
sentences.
What
was
the
problem?
The
river
was
_____________.
Even
the
bottom
of
the
river
was
full
of
_________.
There
were
no
more
______
for
fishermen
to
catch.
really
dirty
rubbish
1b
fish
Listen
again
and
answer
the
following
questions.
What
does
Tony
want
to
do
later
this
afternoon?
He
wants
to
go
swimming
with
Mark
in
the
river
later
this
afternoon.
2.
Why
doesn’t
Mark
want
to
go
with
Tony?
Because
the
river
was
really
dirty.
Even
the
bottom
of
the
river
was
full
of
rubbish,
and
there
were
no
more
fish
for
fishermen
to
catch.
3.
How
was
the
river
in
the
past?
It
used
to
be
so
clean.
It
has
been
the
nicest
river
in
this
town.
Role-play
the
conversation.
Then
make
your
own
conversations
about
the
kinds
of
pollution
in
1a.
1c
Mark:
The
river
was
dirty.
Even
the
bottom
of
the
river
was
full
of
rubbish.
Tony:
But
it
used
to
be
so
clean!
Mark:
Yes,
but
people
are
littering
in
the
river.
Tony:
Everyone
in
this
town
should
play
a
part
in
cleaning
it
up!
Listen
to
the
interview.
Circle
the
kinds
of
pollution
that
Jason
and
Susan
talk
about.
land
pollution
B.
air
pollution
C.
noise
pollution
D.
water
pollution
2a
Listen
again
and
complete
the
sentences.
1.
The
air
is
badly
polluted
because
there
are
___________
on
the
road
these
days.
2.
Factories
that
burn
coal
also
________
the
air
with
a
lot
of
black
smoke.
more
cars
pollute
2b
3.
There
is
also
too
much
rubbish
and
waste.
People
_________________
things
every
day.
4.
People
are
also
littering
in
______________
like
parks.
This
is
turning
beautiful
places
into
ugly
ones.
are
throwing
away
public
places
Use
the
information
in
2a
and
2b
to
role-play
conversations
between
Jason
and
Susan.
2c
Jason:
The
air
has
become
really
polluted
around
here.
I’m
getting
very
worried.
Susan:
Yes,
I
used
to
be
able
to
see
stars
in
the
sky.
Jason:
The
problem
is
that
...
What
should
we
do
to
save
the
earth?
Turn
off
the
lights
when
you
leave
a
room.
stop
riding
in
cars
stop
using
paper
towels
or
napkins
n.
餐巾,
餐巾纸
recycle
books
and
paper
v.
回收利用;
再利用
Interviewer:
Jason
and
Susan,
what
are
your
ideas
for
solving
these
problems?
Jason:
Well,
to
cut
down
air
pollution,
we
should
take
the
bus
or
subway
instead
of
driving.
Susan:
Yeah,
or
ride
a
bike.
There
are
other
advantages
of
bike
riding
.
It’s
good
for
health
and
it
doesn’t
cost
anything!
Role-play
the
conversation.
2d
Interviewer:
Great
ideas!
What
about
waste
pollution?
Susan:
Mmm,
I
think
simple
things
like
bringing
a
bag
to
go
shopping
can
help.
I
started
doing
that
a
year
ago.
Jason:
Me,
too.
Also,
I
never
take
wooden
chopsticks
or
plastic
forks
when
I
buy
takeaway
food.
I
use
the
ones
at
home.
Susan:
And
remember
to
throw
rubbish
in
the
bins
and
keep
public
places
clean
and
beautiful
for
everyone.
Interviewer:
So
together,
our
actions
can
make
a
difference
and
lead
to
better
future!
Complete
the
chart.
Problems
Solving
problems
air
pollution
waste
pollution
take
the
bus,
subway
or
ride
a
bike
instead
of
driving
bring
a
bag
to
go
shopping
use
chopsticks
or
forks
at
home
hrow
rubbish
in
the
bins
We’re
trying
to
save
the
earth!
我们正在竭尽全力拯救地球!
try
to
do
=
try
one’s
best
to
do
努力去做某事
e.g.
We’ll?try?to
finish
the
work
in
a
week.
我们将努力在一周内完成这项工作。
Language
points
Here
are
some
words
related
to
different
kinds
of
pollution.
be
related
to
与……有关
e.g.?Is
the
driver
related
to
the
accident?
司机和这起事故有关吗？
Even
the
bottom
of
the
river
was
full
of
rubbish.
Yes,
but
people
are
throwing
litter
into
the
river.
litter和rubbish都可指“垃圾”，用作不可数名词。
litter指“（室内或公共场所）乱扔的废物（纸屑、不要的包装纸、废瓶等）”还可回收。
rubbish指“没用的东西（被扔或将要丢弃的无用的东西）”不可回收。
e.g.
Throw
the
rubbish
out.
把垃圾扔出去。
The
room
is
full
of
rubbish.
房间里堆满了垃圾。
Pick
up
your
litter
after
a
picnic.
野餐后将废弃物收拾好。
Everyone
in
this
town
should
play
a
part
in
cleaning
it
up!
play
a
part
in
在……方面起作用
e.g.
A
good
diet
plays
a
large
part
in
helping
people
live
longer.
健康的饮食在帮助人们长寿方面起着非常
大的作用。
It’s
good
for
health
and
it
doesn’t
cost
anything!
cost
v.
花费；使付出，指花费金钱，主语通常是物。cost的过去式和过去分词均为cost。
e.g.
The
new
shirt
cost
Mr
Wang
200
yuan.
王先生花了200元买了新衬衫。
How
much
does
the
new
computer
cost?
新电脑花了多少钱？
take,
spend,
pay
&
cost
take，spend，pay和cost都可以表示“花费”，
但它们的用法各有不同。
take多表示花费时间
常用于It
takes
sb.
some
time
to
do
sth.句型中，
其中it作形式主语。
e.g.
It
usually
takes
me
40
minutes
to
cook
the
dinner.
spend多表示花费时间和金钱，主语常是人，
常用于sb.
spend(s)
some
time
/
money
on
sth.
sb.
spend(s)
some
time
/
money
(in)
doing
sth.
两种句型。
e.g.
David
spent
2,000
yuan
on
the
new
machine.
My
father
spends
an
hour
(in)
watching
the
news
on
TV
every
day.
pay多表示花费金钱，主语通常是人，常用于sb.
pay(s)
some
money
for
sth.句型。
e.g.
Tommy
paid
20
yuan
for
his
breakfast
yesterday.
cost多表示花费金钱，主语通常是物，常用于sth.
cost(s)
(sb.)
some
money.句型。
e.g.
The
new
dress
cost
Linda
88
yuan.
根据句意用take,
spend,
pay或cost的适当形式填空。
1.
That
new
car
________?them
lots
of
money.
2.
Mona
__________
50
yuan
on
the
books
just
now.
3.
It
usually
_______?
me
an
hour
to
do
my
homework.
cost??
spent?
takes
4.
You
should
__________?
some
time
practising
your
pronunciation.
5.
My
brother
_______?6,
000
yuan
for
the
new
computer
yesterday.
spend
paid
Exercises
bin,
cost,
coal,
fisherman,
takeaway
1.
A
hot
________
fell
out
of
the
fire
and
burnt
the
carpet
(地毯).
2.
A
__________
is
hot
cooked
food
that
you
buy
from
a
shop
or
restaurant
and
eat
somewhere
else.
coal
takeaway
I.
根据句意，从方框中选择恰当的单词填空，
有的需要变换形式。
3.
Do
you
want
this
or
shall
I
throw
it
in
the
________?
4.
Writing
such
a
long
novel
________
much
time
and
patience.
5.
Look!
Some
____________
are
catching
fish
over
there.
costs
fishermen
bin
II.
根据汉语意思完成英语句子。
1.
工人们正在竭尽全力降低事故率。
The
workers
are
doing
all
they
can
___________
the
accident
rate.
2.
左边第二个房间里堆满了书。
The
second
room
on
the
left
is
_______________
books.
to
cut
down
full
of
/
filled
with
3.
你应该向那些参与挽救病人的医生道谢。
You
should
say
thanks
to
those
doctors
who
have
_________________
saving
the
patient.
played
a
part
in
4.
拉里将去开会，而不是我。
Larry
will
go
to
the
meeting
__________
me.
instead
of
5.
我的目的是把这件坏事变成好事。
My
purpose
is
to
________
this
bad
thing
________
a
good
one.
6.
保持教室干净是我们的责任。
It’s
our
duty
to
________
the
classroom
_______.
turn
keep
into
clean
7.
我们小区的噪音污染很严重。
The
_________________
in
our
neighborhood
is
very
serious.
noise
pollution
III.
汉译英。
我尽量今天晚上完成工作。
他在工作中其重要作用。
这些问题都是密切相关的。
I
will
try
to
finish
the
work
this
evening.
He
plays
an
important
part
in
the
work.
These
problems
are
closely
related.
中考链接
(2019·贵州安顺)
—My
father
_________
to
his
workplace
by
bus,
but
now
he
__________
there
by
bike.
—Really?
You
have
an
environmentally-friendly
father.
A.
used
to
go,
is
used
to
go
B.
used
to
going,
is
used
to
go
C.
is
used
to
go,
is
used
to
going
D.
used
to
go,
is
used
to
going
D
1.Write
a
short
passage
about
how
to
protect
our
environment.
2.
Preview
the
new
words
and
expressions.
3.
Preview
the
article
on
page
99.
Homework
