Unit 2 Saving the earth.Topic 1 Pollution has causes too many problems.Section D课件(共21张PPT)

(共21张PPT)
Unit
2
Saving
the
Earth
Topic
1
Pollution
has
caused
too
many
problems.
Section
D
Language
goals
By
the
end
of
the
class,
you
will
be
able
to
1.Master
the
following
words
,phrases
and
sentences:
Words：
coal,
create,
blood,
planet
Phrases:
in
many
ways,
high
blood
pressure,
as
well
Sentences：With
the
increase
in
population
and
the
development
of
industry,
litter
is
everywhere.
2.
Master
the
present
perfect
tense
Warm-up
It
_____
(be)
beautiful
in
the
past.
Kangkang
_______
(go)
there
two
years
ago.
The
flowers
and
grass
___________
(go).
Everything
_____________
(change).
Mrs.
Zhou
____________
(be)
like
this
since
last
week.
She
______________
(not
see)
a
doctor
yet.
was
went
have
gone
has
changed
has
been
hasn’t
seen
Simple
past
强调过去
Present
perfect
强调现在
They
are
caused
by
pollution.
Lead
in
There
are
many
kinds
of
pollution
around
us,
air
pollution
light
pollution
litter
water
pollution
soil
pollution
noise
pollution
including
Read
through
Sections
A-C
and
fill
in
the
blanks
with
the
correct
words.
Grammar
I
_____
(go)
there
two
years
ago.
There
______
(be)
lots
of
flowers
and
grass.
What
_________________
(happen)
here?
I
have
______
(be)
like
this
since
last
week.
The
flowers
and
grass
____________
(go)!
been
were
has
happened
have
gone
went
Simple
Past
＆Present
Perfect
Oh,
what
a
_______!
There
are
several
chemical
factories
_______
waste
water
into
the
stream.
What’s
______,
the
factory
makes
too
much
noise…
Noise
is
_________
to
human’s
health.
People
who
work
and
live
in
noisy
conditions
often
______
deaf.
…many
teenagers
in
America
can
hear
no
______
than
65-year-old
people
do,
…
…does
great
_______
to
people’s
hearing.
shame
pouring
worse
go
harmful
better
harm
Functions
(
)
1.
What
is
the
passage
mainly
about?
A.
Air
pollution.
B.
Light
pollution.
C.
Litter.
D.
All
sorts
of
pollution.
(
)
2.
________
destroy(s)
the
soil.
A.
Chemicals
B.
Weather
C.
Noise
D.
Industry
(
)
3.
How
do
people
feel
after
they
work
in
strong
light
for
a
long
time?
A.
Excited.
B.
Happy.
C.
Terrible.
D.
Sad.
A
D
C
Read
1a
and
choose
the
best
answer.
Pollution
Cause
Effect
air
pollution
burning_____,
_____
and
_____
_____
eyes
and
_________
problems
soil
pollution
_____
is
everywhere,
use
too
many
__________
______
environment
and
_________
food
noise
pollution
_______________
place
for
a
long
time
make
people
_____
and
cause
____________
pressure
light
pollution
_______
light
kinds
of
________,
bad
for
________
gas
oil
coal
sore
breathing
litter
chemicals
dirty
unhealthy
work
in
a
noisy
deaf
high
blood
strong
illnesses
eyes
1a
Read
the
passage
and
complete
the
table
on
Page
34
1.
They
are
bad
for
our
health
in
many
ways.
They
____________to
our
health
in
different
ways.
2.
People
may
lose
their
hearing
if
they
work
in
a
noisy
place
for
a
long
time.
If
people
work
in
noisy
conditions
for
a
long
time
they
may
have
______________.
3.
Noise
pollution
can
make
people
deaf.
People
may
______
deaf
_____________
noise
pollution.
hearing
loss
do
harm
go
because
of
/
are
harmful
1b
Read
and
understand
the
first
sentence.
Then
complete
the
second
one.
There
are
many
__________
of
pollution
around
us.
They
are
______
for
our
health
in
many
ways.
Air
pollution
causes
_____
eyes
and
__________
problems.
______
makes
our
environment
dirty.
Soil
pollution
________
the
soil
and
_______
unhealthy
food.
Noise
pollution
makes
people
______
and
causes
high
blood
pressure.
Light
pollution
is
bad
for
_____
and
causes
some
kinds
of
__________.
With
less
pollution,
our
planet
will
become
_______
and
our
health
will
be
better.
Let’s
be
greener
people.
kinds/sorts
bad
sore
breathing
Litter
destroys
causes
deaf
eyes
illnesses
greener
Complete
the
passage
according
to
1a
1.
Burning
gas,
oil,
coal
creates
air
pollution.
燃烧气体、石油和煤都会造成空气污染。
create
v.
造成，创造
creative
adj.
创造性的
creation
n.
创造；创造物
Language
Points
2.
In
the
fields,
farmers
use
too
many
chemicals
which
destroy
the
soil.
在地里，农民使用了太多对土壤起破坏作用的化肥和农药。
定语从句
Language
Points
3.
Too
much
noise
can
cause
high
blood
pressure
as
well.
噪声太大也可能导致高血压。
high
blood
pressure
高血压
as
well
也,
还
e.g.
We’re
going
to
the
party
tonight.
Why
don’t
you
come
along
as
well?
Language
Points
4.
With
the
increase
in
population
and
the
development
of
industry,
litter
is
everywhere.
随着人口的增加和工业的发展，垃圾到处都是。
5.
With
less
pollution,
our
planet
will
become
greener
and
our
health
will
be
better.
随着污染的减少，我们的地球将变得更加环保，我们也会更健康。
Language
Points
Making
a
Wall
Newspaper
About
Pollution
1.
Collect
some
pictures
about
pollution.
2.
What
kind
of
pollution
does
each
picture
show?
Work
in
groups
and
discuss
its
bad
effects.
3.
Make
a
wall
newspaper
about
different
kinds
of
pollution
and
the
harm
caused
by
them.
Project
单项选择
(
)
1.
Linda
has
many
hobbies,
________
listening
to
music,
collecting
coins,
going
cycling
and
so
on.
A.
for
example
B.
including
C.
about
D.
and
(
)
2.
There
is
______
pollution
in
the
world.
We
must
stop
it.
A.
much
too
B.
too
much
C.
many
D.
too
many
B
B
Exercises
(
)
3.
_______
the
increase
in
population,
food
has
become
a
serious
problem.
A.
And
B.
By
C.
To
D.
With
(
)4._____
the
environment
is
important
for
human
beings.
A.
Take
care
of
B.
Took
care
of
C.
Taking
care
of
D.
Take
the
care
of
D
C
Exercises
根据汉语意思完成句子。
1.
如今，很多人患有高血压。
Nowadays,
many
people
have
_____
______
________.
2.
动物可以在很多方面帮助人们。
Animals
can
help
people
____
____
______.
3.
迈克会打篮球，他跑步也很快。
Mike
can
play
basketball.
He
runs
fast
____
______.
4.
随着工业的发展，污染越来越严重。
____
____
____________
___
industry,
pollution
has
become
_____
_____
_____
serious.
high
blood
pressure
in
many
ways
as
well
With
the
development
of
more
and
more
Exercises
Homework
1.
Make
a
wall
newspaper
about
pollution.
2.
Preview
Unit
2
Topic
2-Section
A.
Bye-bye!